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| Subject | Date Asked |
| Water in A/CDucts | 2/3/2012 |
| Q: This is a follow-up response to the questions you posed about my question about water in A/c ducts. ... A: Jeff, The ame thing happened to my system,at my residence several years ago.I live in New England.( ... | |
| c wire | 2/2/2012 |
| Q: Installed a new wifi thermostat that needs a c connections. I seen lots of videos on ytube on how to ... A: Ed, You would have to pick up Common at the transformer 24 volt ac side. If the red and black wire ... | |
| Heat pump issue | 2/1/2012 |
| Q: I have a 7 yr old Rheem 5 Ton heat pump, split unit with aux that is not being used. I am getting ... A: Mike, The pressures don't look toooo bad, Check your blower wheel for out of balance ( rattles a ... | |
| Ruud Plus 90 Furnace flame went out & won't relight | 1/28/2012 |
| Q: I have a Ruud Plus 90 Furnace Model# UGRA-09EZAJS. I just noticed that it was not blowing warm air ... A: Nick, No pilot light, does the glow coil light or spark ignition come on? You may have a bad glow ... | |
| furnace transformer wire help | 1/25/2012 |
| Q: OKay, i got a weil mclane furnace at home Gas, used for force hot water heating model - CG series, ... A: Zelio,try google you may find a wiring diagram for this system,or you may have to pay to buy the ... | |
| furnace transformer wire help | 1/25/2012 |
| Q: OKay, i got a weil mclane furnace at home Gas, used for force hot water heating model - CG series, ... A: Zelio, Your relay transformer is probably not made for your system, G is for a blower fan,Y is for ... | |
| Carrier heat pump replaced capacitor for $200. | 1/21/2012 |
| Q: the dual start 35 capacitor cost $127.00 dollars I think it should have been around $30 dollars from ... A: brad, It would not be worth the companies time to come out for a $58.00 labor @$30.00 capacitor ... | |
| Heil Heatpump Parts Installed | 1/19/2012 |
| Q: I'm really sorry to bother you again but I've had no joy after installing new parts and I'm about to ... A: Ed, Simple to check the compressor borrow a set of gauges and hook up to it suction side and high ... | |
| intermittent furnace failure | 1/18/2012 |
| Q: I have a Rheem Criterion II furnace. I don't have the model/serial number. I don't see it on the ... A: Ron, The button/switch is your blower door switch, if it's located on top ,then you have a downflow ... | |
| oil fired furnace problem | 1/17/2012 |
| Q: I have a question relating to my oil fired warm air furnace. Its an international comfort prods ... A: Martin, you would need to check your wiring to the diagram, located on the inside blower door,If ... | |
| Miller furnace heating problem. | 1/16/2012 |
| Q: I have a Miller CFM 80-PG CONV furnace burning propane that is about 10 years old that does not seem ... A: Martin, So did you raise the digital stat as high as it would go? You would need a voltage tester ... | |
| Miller furnace heating problem. | 1/16/2012 |
| Q: I have a Miller CFM 80-PG CONV furnace burning propane that is about 10 years old that does not seem ... A: Martin, The combustion blower would be the purge motor or ventor motor?? yes, which closes a air ... | |
| Suspected Heating Thermostat Problem | 1/15/2012 |
| Q: Joseph: My oil fired hot water heating system, cycles on and off much too often. Sometimes it will ... A: Nicholas, The round thermostats are probably T87 rounds, they need to be level and the heat ... | |
| Heil Heatpump No Defrost/Heat Troubleshooting Results - Expert Opinion Requested | 1/11/2012 |
| Q: Heil Heatpump Model No. CH3042VKB2 867.801051 Defrost Control Board No. 621-83-550F A few days ago ... A: Ed, OK I was off $5.00 on the defrost t-stat hvacpartsoutlet.com has one for Heil/tempstar ICP ... | |
| Heil Heatpump No Defrost/Heat Troubleshooting Results - Expert Opinion Requested | 1/11/2012 |
| Q: Heil Heatpump Model No. CH3042VKB2 867.801051 Defrost Control Board No. 621-83-550F A few days ago ... A: Ed, A bad run capacitor will prevent the compressor from starting,I wouldn't bother checking this ... | |
| furnace fan | 1/10/2012 |
| Q: I have a 7 year old Trane XL80 furnace and the fan became slow,there was heat but the blower was ... A: Jackie, He probably just changed the capacitor due to your furnace being only 7 years old, It was ... | |
| Heil Heatpump No Defrost/Heat Troubleshooting Results - Expert Opinion Requested | 1/9/2012 |
| Q: Heil Heatpump Model No. CH3042VKB2 867.801051 Defrost Control Board No. 621-83-550F A few days ago ... A: Ed, To initiate a defrost the defrost thermostat/sensor located on the outdoor unit coil elbow ... | |
| boiler short cycles | 1/8/2012 |
| Q: The past few months my boiler (Weil-McLain WTGO from year 1996)often short cycles. The oil co. has ... A: Dave, If you have the correct nozzle size and did not exceed manufacture spec. and the primary ... | |
| Amana electric furnace problem | 1/6/2012 |
| Q: I have an Amana electric furnace and AC system in my home I just purchased 9 months ago. The furnace ... A: Marc, Are you sure your outdoor unit is only for A/C or do you have a Heat Pump?? If you have a ... | |
| Blower stays on all the time | 1/5/2012 |
| Q: I have an AIRE-FLO 3 1/2 ton HVAC all electric system installed in 2005. The blower stays on all the ... A: Amie, Size of house does not matter ,if your heating element(s) are to small or one element is ... | |
| furnace will not reach temperature setting | 1/5/2012 |
| Q: I have an old coleman forced air furnace,model number 2865-666. The furnace will shut off between 66 ... A: Greg, Put your fan switch at the t-stat to ON from auto, your blower should run 24/7 then start ... | |
| Blower | 1/3/2012 |
| Q: Model Numb:OBUA84-03 55 SERIAL NUMB:AN172M509600086 I have an oil fired hot air furnace with a ... A: Tracy, You would need to locate the wiring diagram somewhere on the inside panel, during heat you ... | |
| Thermostat Wiring | 1/2/2012 |
| Q: W, U, B, x2, Y, G, O, T, R corresponds to which wires on a Honeywell TH5320U1001 Focus Pro 5000 ... A: Stefan, The Honeywell gives you O/B ,your old Reversing valve operates on O so if O is not ... | |
| Thermostat Wiring | 1/2/2012 |
| Q: W, U, B, x2, Y, G, O, T, R corresponds to which wires on a Honeywell TH5320U1001 Focus Pro 5000 ... A: Stefen, Tell me the wiring that you have on the Honeywell ,I see you have a old GE/Trane Heat Pump ... | |
| Will a heat pump be damaged if overcharged | 12/29/2011 |
| Q: I just recently purchased a Carrier Performance series heat pump. Model#25HPA536H with a variable ... A: Jeff, Doubt your heat pump system is damaged, you have a accumulator to catch slop over or ... | |
| Trane Furnace | 12/28/2011 |
| Q: I have a trane XB80 furnace. The blower works and the furnace lights but then goes right out and ... A: Keith, Isn't there any blinking lights,there should be a code ledger somewhere on a inside ... | |
| Trane FUrnace | 12/28/2011 |
| Q: I have a trane XB80 furnace. The blower works and the furnace lights but then goes right out and ... A: Keith, May be a bad control board,if your pilot is engulfing the flame sensor and it's a strong ... | |
| Duct Size & Wye pipes | 12/27/2011 |
| Q: My house was built in 1946 and in 1964 they put in a heating system and then 3 years later put in ... A: Robert, Wye duct or T as they are called or pant legs are quite common , at least pant legs is a ... | |
| heater won't work | 12/22/2011 |
| Q: I have a Rheem, split system that won't light for heat. The a/c part works great. It is a 1991 ... A: Mike, First check all your safety limit control to see if they did not trip. You would need an ohm ... | |
| Rheem Criterion II Gas Furnace not working | 12/18/2011 |
| Q: We have a Rheem Criterion II Gas Furnace (model # RGVH-10EBRJR, serial # DF5O307F05953191) that is ... A: Lucette, Your board may be bad, you may have a bad relay coil somewhere overloading ( coil is ... | |
| York Furnace not igniting | 12/15/2011 |
| Q: I have a York split system, model # P4USD16N10501A, serial # EGXM188205. When I turned the furnace ... A: Glenn, Did the blower fan come on? if it did not ,then it tripped on a high limit safty control. ... | |
| heating unit | 12/12/2011 |
| Q: have a nordyne heating unit, pilot is lighting no gas ...not lighting A: A, Possibly your flame sensor is bad and not sending a signal to open the main gas valve.Possibly ... | |
| heater not working | 12/7/2011 |
| Q: I have a Payne heater model 394jaw036045 and just stop working this is the first time this ever ... A: Enrique, No power to system would probably indicate you do not have either 110 volt line voltage or ... | |
| Plaster frames | 12/6/2011 |
| Q: In 2007 I hired an HVAC company to install a central heat and air system in my 1955 home. We've ... A: Roy, I'm not familiar with the term plaster frame.Also quite possible the duct work is correctly ... | |
| Ultravent Exhaust | 12/6/2011 |
| Q: I have a furnace manufactured by Unitary Products and carries the retail label of Home Air. This ... A: Paul, Two brands that specializes on side wall exhaust for furnaces ,would be Tjernlund ,other ... | |
| furnace problem | 12/2/2011 |
| Q: gas forced air furnace luxaire model GSU082AE6800019 HEATER AND BLOWER WOULD NOT TURN OFF. CALLED ... A: M, Usally when a thermal overload opens it keeps the blower running ( on older models )not the gas. ... | |
| LUX thermostat on Goodman PHK024-1 heat pump | 11/30/2011 |
| Q: I have a heat pump with emergency heat, Goodman PHK024-1 with a 10kW heat strip. I am replacing ... A: Paul, The last paragraph states you do have an emergency setting using W2 I would try the brown ... | |
| LUX thermostat on Goodman PHK024-1 heat pump | 11/29/2011 |
| Q: I have a heat pump with emergency heat, Goodman PHK024-1 with a 10kW heat strip. I am replacing ... A: Paul, Your main heat or cool is Y ( on a call for first stage heat or cool ) not W2. Y brings on ... | |
| heat at home doesn't work | 11/28/2011 |
| Q: it works only when i turn it off from the thermostat and turn it back on but it works for 3 minutes ... A: Joseph, If this is a warm air furnace possibly your blower motor is not coming on or turning slowly ... | |
| air quest furnance | 11/24/2011 |
| Q: Just had a air quest furnace installed, it was new and working great. Now it is blowing cold the ... A: Tina, you need to look at the ledger to see what the 7 blinking lights mean , on another brand it ... | |
| York Heat Pump isn't working | 11/21/2011 |
| Q: I have an older electric York Heat pump and a few days ago it just stopped working. When I noticed ... A: Katie, Put the fan switch at the t-stat to ON from auto position ,your blower should run 24/7 if ... | |
| window heat pump | 11/18/2011 |
| Q: I bought a model FAZ12HS2A in Feb '09 and it has stopped heating; is only blows out cool air. I ... A: Robbie, You should find out if the compressor is under warranty, most central Units have as a ... | |
| wirering HVAC-Thermostat | 11/13/2011 |
| Q: I Replace control board White Rodger 50t35-743 Intergrated furnace control. I going to connect to ... A: Sangkoo, If you do not have A/C then the Y wire at the t-stat is not needed ,Should not be to ... | |
| armstrong 80 furnance | 11/9/2011 |
| Q: My blower blows all the time and not igniting furnance red light flashes 4 times code says hight ... A: usually they are manually resettable, you may have tripped a one time fusible link high limit ... | |
| York Diamond 80 Furnace problem | 11/6/2011 |
| Q: I have a 1996 York Diamond 80 furnace. Model # P1CKD20N09601A I have read several similar conditions ... A: Dan, From some posts four flashes mean trips on high limit, if your sure the blower does work, ( ... | |
| AC unit/return | 11/5/2011 |
| Q: Greetings Joseph, The unit outside works fine. When I switch the thermostat to "ON" the unit ... A: Tammy A , When you put the fan switch from the auto position to the ON ,your indoor blower is ... | |
| Residential HVAC Furnace will not ignite | 10/28/2011 |
| Q: I have a comformaker Furnace in my attic and the ac condenser outside. Fan only runs, AC runs and is ... A: Doug, When you want to jump a stat out for heat your jumper R to W ,you don't go by color of ... | |
| Concord 80 Plus Gas Furnace | 10/28/2011 |
| Q: I have a 10 year old Concord 80 Plus gas furnace that will not turn on automatically when the ... A: Gale, The draft motor has to be running first, when it reaches the correct RPM ( providing the ... | |
| Concord 80 Plus Gas Furnace | 10/28/2011 |
| Q: I have a 10 year old Concord 80 Plus gas furnace that will not turn on automatically when the ... A: Gale, Comments below are from another website,you can also goggle your issues and you may find some ... | |
| Seeking Unbiased A/C Inspection | 10/27/2011 |
| Q: I have had three different A/C companies find three different leaks responsible for my Freon leaking ... A: Angela, An HVAC Contractor would be the one to use,Have them physically show you where the leaks ... | |
| Variable Speed Furnaces | 10/26/2011 |
| Q: I plan to replace my current forced air gas furnace with a newer one. I have heard there are ... A: Marian, More expensive to repair, They us circiut boards special motors,etc. more components , ... | |
| HVAC not working | 10/25/2011 |
| Q: Recently I noticed that our thermostat screen was blank. We have an electronic White-Rogers ... A: Bethany, Chances are you do not have 24 volts ac at the t-stat due to either a low voltage fuse ... | |
| Heat pump compressor failure | 10/23/2011 |
| Q: We have a 10+ year old heat pump/air handler combo in our home. Last week the fan in the outdoor ... A: Tanya, 21 to 24 amps on a 2.5 ton system is not correct somewhere around 7 to 13 plus or minus ... | |
| hvac gas furnace gas line | 10/23/2011 |
| Q: On a start-up i was in heat mode. New black iron gas pipe tells me to purge the line til gas flows ... A: Daniel, If your describing an arc across the gas union when you reconnect your furnace is not ... | |
| Gas HVAC Thermostat | 10/22/2011 |
| Q: This morning, my wife went to turn on our heat for the first time this year. About 2-3 minutes ... A: Jared, You would need to determine if the 3 amp. fuse controls the fan operation,suggest removing ... | |
| Gas HVAC Thermostat | 10/21/2011 |
| Q: This morning, my wife went to turn on our heat for the first time this year. About 2-3 minutes ... A: Jared, Remove all wires from existing t-stat and jumper R wire to W ,see what happens, that is for ... | |
| Evcon Furnace- Pilot won't light | 10/20/2011 |
| Q: I have an Evcon Furnace Mod# DGRT075AUA. It has an automatic pilot lighter. When I ran low on gas in ... A: Debbie, First verify you you power to the furnace, then run your blower fan ,putting it to the ON ... | |
| Evcon Furnace- Pilot won't light | 10/20/2011 |
| Q: I have an Evcon Furnace Mod# DGRT075AUA. It has an automatic pilot lighter. When I ran low on gas in ... A: Debbie, you may have to purge any air in your line by loosing the union near the furnace or near ... | |
| Janitrol Heater will not start up | 10/18/2011 |
| Q: I have a Janitrol U-60 gas furnace. Everything worked just fine last year and the AC has worked just ... A: Rob, You may want to break the union before the gas valve to purge any possible air in the line,you ... | |
| York Furnace - G8T08012UHA11A | 10/17/2011 |
| Q: I have a couple of things going on with my furance. Its actually a Coleman, made by York... model ... A: Steve, You could also disconnect the t-stat wires at the furnace itself, basically eliminating the ... | |
| York Furnace - G8T08012UHA11A | 10/17/2011 |
| Q: I have a couple of things going on with my furance. Its actually a Coleman, made by York... model ... A: Steve, Your number 3 comment states that the ventor/purge motor runs when you turn the power on, ... | |
| furnace venting | 10/16/2011 |
| Q: I just had a RHeem RGRM high efficiency furnace installed. I have two pipes coming out of the wall ... A: Sandra, Inlet pipe should have a screen on it to prevent debris from getting inside the pipe , ... | |
| low volts | 10/13/2011 |
| Q: I keep having problems with my heat pump 240v/30 amp compressor contact burning out I have changed ... A: Michael, You didn't mention that you bypassed or removed the time delay to see what your voltage ... | |
| low volts | 10/12/2011 |
| Q: I keep having problems with my heat pump 240v/30 amp compressor contact burning out I have changed ... A: Michael, You would need a 40 VA transformer as a minimum,also your low voltage wiring needs to be ... | |
| water in pipes? | 10/11/2011 |
| Q: When I'm in the basement of my sister's ranch house & the air conditioning is running, it sounds ... A: Gail, What pipes are you talking about? the interconnecting copper tubing that connects the outdoor ... | |
| Old Rheem replacement? | 10/10/2011 |
| Q: I have some apartments with old Rheem gas furnaces - Model RGAC - 04ea. They are about 10" wide, ... A: Dan, I'm not aware of any manufacture that makes units that narrow ,quite possibly there might be , ... | |
| forced air furnace | 10/6/2011 |
| Q: I installed an American standard freedom 90 two stage forced air furnace a few days ago. It ran ... A: Jed, Exhaust fan ,meaning the purge motor/ventor motor? try wiring it direct to a 120 volt power ... | |
| Air Handler Unit leaking. | 10/4/2011 |
| Q: Joseph, I have a problem with my a/c air handler that is located in a crawl space behind a closet ... A: Bruce, Your suppose to elevate the Air handler a few inches above the aux. drain pan then you ... | |
| Air Handler Unit leaking. | 10/4/2011 |
| Q: Joseph, I have a problem with my a/c air handler that is located in a crawl space behind a closet ... A: Bruce, Either a cracked condensate drain trap ( cold environment ) or your trap is plugged up,Need ... | |
| gas furnace | 10/3/2011 |
| Q: This last summer i replaced the motor on my furnace.Now the air conditioning worked fine but now the ... A: Nick, You would have to look at the wiring diagram of the motor and compare to the wiring diagram ... | |
| heater on but no air comming out | 10/2/2011 |
| Q: I have a carrier HVAC system, it is getting cooler so I decided to break the chill inside by turning ... A: Amanda, The blower you hear ,is it the indoor blower or the ventor/purge blower,( gas systems ) you ... | |
| My furnace has an Attitude. | 10/1/2011 |
| Q: When i tried to turn it on it wouldnt work. I noticed that inside the furnace where the actual fire ... A: Eldricht, I would check your gas pressure at the main gas valve ,leaving the gauge hooked up while ... | |
| ductwork | 9/30/2011 |
| Q: We just bought a bilevel house. the ductwork on the lower level of the bilevel, which is on a slab, ... A: BREI, Yes I heard of installing duct work inside of existing ducts, As long as it's sized ... | |
| ductwork | 9/29/2011 |
| Q: We just bought a bilevel house. the ductwork on the lower level of the bilevel, which is on a slab, ... A: Brie, Expandable foam ,you would have to call a Professional as they would be able to use hoses to ... | |
| Trane | 9/25/2011 |
| Q: XL series heat pump e-split system. 2006 install model 2TWX5030 The compressor is not running. power ... A: Jay, If you run the unit in A/C mode and the outdoor fan runs OK but the compressor does not and ... | |
| Ford F-150 A/C not cooling | 9/22/2011 |
| Q: My ford's A/C is not cooling, it hasn't cooled for a long time. What are somethings i can check ... A: Jessi, First thing is to put a gauge on it to check the refrigerant charge.( downstream of the ... | |
| Holly "Stubby" Floor Furnace - Missing Inspection Cap | 9/18/2011 |
| Q: my old house has a floor furnace made by Holly "Stubby". Its model is: 50FD and Series No is: 5A21. ... A: Andrew, for Holly Stubby/Lear Siegler Inc Furnace 5666=PO I am looking for a cap that screws on ... | |
| Air Cooler system? | 9/17/2011 |
| Q: Recently I was looking for a good quality split type with floor standing indoor air cooler , ... A: brbg, I'm not familiar with that brand,on many packaged ( one piece systems ) A/C systems it's ... | |
| Trane vs. Carrier | 9/16/2011 |
| Q: Which heat pump would you recommend & why: Trane 4TWR3030 or Carrier 25HCB330? How much of a cost ... A: Greg, Both are considered top tier brands , if both are the same SEER and the models are equal ( ... | |
| Furnace Install | 9/11/2011 |
| Q: I am getting ready to have a furnace installed in my detached garage. Currently, my garage has no ... A: John, At the very least you may need to install some sheetrock panels behind the furnace, I would ... | |
| heat pump | 9/8/2011 |
| Q: I've heard that DFHP's are not all that economical here in Atlanta, where the average low is 42 ... A: Ron, A 90+ furnace means that's where a condensing furnace starts and depending on brand can get ... | |
| Central A/C replacement | 9/7/2011 |
| Q: Going to replace a miss-matched central a/c system. Want to know which manufacturer you would ... A: Jan, I have looked at Furnacecompare occasionally, the very recognized brands do not fare any ... | |
| heat pump | 9/6/2011 |
| Q: I've heard that DFHP's are not all that economical here in Atlanta, where the average low is 42 ... A: Ron, Staying 5 to 10 years, me personally I would go with a standard 13-16 SEER A/C and a ... | |
| Wiring | 9/4/2011 |
| Q: My husband cleaned our Coleman evcon split unit for our mobile home. Got it all hooked back up and ... A: Candi, There should be a wiring diagram somewhere on an inside panel, then compare, being 12 years ... | |
| Miller Package Unit A/C stopped working. | 9/3/2011 |
| Q: I installed three new capacitors as you recommended, but no help and that was because I failed to ... A: John, If you put a new condensor fan motor and you went back to the original capacitor does not ... | |
| Miller Package Unit A/C stopped working. | 9/1/2011 |
| Q: Not certain of the model number, but certain about the serial number: Miller Package Unit A/C ... A: John, I would go with the 40 MFD 370 volt or 40 MFD 440 volt. you do not need to buy a dual ... | |
| Miller Package Unit A/C stopped working. | 9/1/2011 |
| Q: Not certain of the model number, but certain about the serial number: Miller Package Unit A/C ... A: John, Miller is presently owned by Nordyne which also owns Gibson, Kelvinador, Frigidare among ... | |
| Residential A/C Heater Stringer Failure | 8/30/2011 |
| Q: I have an older Carrier A/C unit Model 40AQ024300BU. It quit recently and there was a smell of hot ... A: Bob, Several ways, on the air handler low voltage 24 volt ac thermostat wires hook to , disconnect ... | |
| air unit in home | 8/29/2011 |
| Q: I am considering purchasing a condo. I noticed that the unit ran constantly even though the outside ... A: Kevin, I would tell the owners you want to hire a HVAC Contractor and have them check the existing ... | |
| Standing water in A/C vents | 8/27/2011 |
| Q: I have a 2001 trailer, it has central air and heat. The vents for the A/C are in the floor. I have ... A: Jeanie If you have water in your supply ducts, you may only need to clear out your drain line, ... | |
| Leaking Water at the Refrigerant line | 8/23/2011 |
| Q: I recently had my furnace replaced but left the existing Central Air System in tact. I am now ... A: Bruce, You would have to see if they reinstalled the indoor coil level both ways, possible they ... | |
| Programmable Thermostat | 8/21/2011 |
| Q: I am replacing a basic Honeywell thermostat with a Honeywell programmable model THX9321R5000. I ... A: Linda, You would need to run an extra wire from the t-stat if you have a 4 wire cable( you may have ... | |
| New Central HVAC from Sears (Kenmore) not cooling well | 8/19/2011 |
| Q: Equipment installed new: Condenser HXA660GKA100, Coil EHD4X60AA, Furnace G8MVL1352422A Adapted to ... A: Marcus, What size is the new unit , a 5 ton also or a smaller size? Tried getting the sizes using ... | |
| Low on freon or blockage in evaporator coil | 8/15/2011 |
| Q: My house A/C failed a couple days ago, and I called for someone to check. The guy checked the A/C ... A: Felix, So why didn't the Contractor check the metering device and the indoor coil also seeing the ... | |
| Low on freon or blockage in evaporator coil | 8/14/2011 |
| Q: My house A/C failed a couple days ago, and I called for someone to check. The guy checked the A/C ... A: Felix, For a 5 ton unit, and that includes a new indoor coil, a matched outdoor unit,new line set ( ... | |
| closed vents | 8/14/2011 |
| Q: I purchase a model home that comes with a finished garage. In the garage I have HVAC vents that ... A: Sean, Without seeing your system, you should have some type of balancing dampers in your supply ... | |
| Low on freon or blockage in evaporator coil | 8/13/2011 |
| Q: My house A/C failed a couple days ago, and I called for someone to check. The guy checked the A/C ... A: Felix, I would call another Company and ask for a senior tech. to look at it, at face value it ... | |
| Carrier PTAC | 8/11/2011 |
| Q: I have a Carrier digital PTAC made in 2005. When I plug it in the LED at the on/off button turns on ... A: T.C. Try repairclinic.com, give them your model number and brand ,they have a expert that may be ... | |
| Trane XR80 - LED flash 6 times- 115 volt polarity is reversed or bad grounding | 8/2/2011 |
| Q: Good evening to you and my name is John. I'm writing to you regarding Trane XR80 (manufac. 2008) ... A: John, If completely drying out the unit does not reset your codes,then I would purchase a new ... | |
| carrier packaged unit | 8/1/2011 |
| Q: The unit is not running. I suspect the low pressure switch because there's no 24v going to the ... A: Pacheco, you would need a set of gauges to see your low side pressure. you can bypass the LPC to ... | |
| Window A/C Air Stinks of Mold | 7/31/2011 |
| Q: My window a/c air that is being blown in has made my entire downstairs stink of mold. The closer ... A: Shelley The fan motor would be visable if you removed the unit , double shaft that drives the fan ... | |
| Window A/C Air Stinks of Mold | 7/31/2011 |
| Q: My window a/c air that is being blown in has made my entire downstairs stink of mold. The closer ... A: Shelley, If you can slide your unit out and bring outside ,cover the fan motor and wash complete ... | |
| Air Conditioner Not Working...Please Help | 7/28/2011 |
| Q: I've had my same air conditioner for at least the past 2 years. My brother and I use it for a small ... A: Adam, you can slide unit out and bring outside and wash outdoor coil as well as the indoor coil ... | |
| HVAC question | 7/26/2011 |
| Q: I installed a new txv valve, the system worked good for about 1 hour until I found a leak in the ... A: Alex, You don't say if this is a soldered or screw in TEV, if soldered possible you overheated the ... | |
| Residential HVAC Condenser | 7/24/2011 |
| Q: I noticed an ad on Craigslist for a Carrier Model#38TKB030310, Serial#1993E14122 ... A: Kevin, Personally I would buy a dry nitrogen charged brand new outdoor R22 unit from a Internet ... | |
| CARRIER INFINITY SERIES CENTRAL AC SHUTS DOWN | 7/23/2011 |
| Q: MY CARRIER CENTRAL AC SHUTS DOWN BY ITSELF AND READS SYSTEM MALFUNCTION WHENEVER THE TEMP GOES INTO ... A: John, I would ask the Tech to show you on e documentation that this model unit does this.So down ... | |
| arcoaire central air and furnance units | 7/20/2011 |
| Q: I live in Baltimore Maryland and need to replace my central air and furnance units. I was wondering ... A: Brian, Arco Air is owned by United Technologies Corporation a Fortune 100 Company, which owns ... | |
| AC shuts off after 6 minutes of running in 105 temp weather | 7/19/2011 |
| Q: The house is staying at 82 while it is 105 or higher outside,Thermostat is set at 75.Is this normal ... A: MaryLabs, May want to call for service first, should only cost one hour of labor ,plus trip charge. ... | |
| AC shuts off after 6 minutes of running in 105 temp weather | 7/19/2011 |
| Q: The house is staying at 82 while it is 105 or higher outside,Thermostat is set at 75.Is this normal ... A: MaryLabs, Lower t-stat to lowest setting and see if unit shuts off after six minutes. If it does, ... | |
| AC not always turning on | 7/18/2011 |
| Q: We have a split AC system on our house and after a big storm we lost power, now the outside fan ... A: Wayne, You would need to hook up a voltage tester to the compressor contactor 24 volt ac coil, ( ... | |
| A-coil drain pan replacement | 7/17/2011 |
| Q: My a-coil drip pan was used with an electrical heat pump. Approx 9 years ago I replaced the heat ... A: Russ, Your better off buying and replacing the Coil,( Internet Companies, should not be to terribly ... | |
| Rheem RPKA-043JAZ | 7/16/2011 |
| Q: First off I am mechanically inclined who doesn't have a lot of money to spend on a house we just ... A: Mike, I don't know what " There is mosture when I remove the cover,not puddles, condensation" ... | |
| A/C shorts all electricity to house | 7/14/2011 |
| Q: Our house a/c system is split into 2 units. When we turn on the downstairs unit for the first time ... A: Judy, I don't see what high humidity has to do with starting a internally sealed motor ( compressor ... | |
| A/C shorts all electricity to house | 7/14/2011 |
| Q: Our house a/c system is split into 2 units. When we turn on the downstairs unit for the first time ... A: Judy, Need to tighten all your line voltage wiring from the disconnect box inside your residence to ... | |
| rudd heat and air condition. | 7/13/2011 |
| Q: my air or heat will not come on. checked all electric and can hold relay at air condition down and ... A: Joyce, If you push in on the compressor contactor and it starts then you have line voltage 220 volt ... | |
| Do I need a new TXV? | 7/12/2011 |
| Q: After 20 years, our Lennox 3 ton AC got icy coils, then an icy expansion valve and then the ... A: Michael, First thing, the indoor coil is not rated for the new refrigerant, the new Air Handlers ... | |
| corsaire a/c | 7/12/2011 |
| Q: Replaced thermostat & fuses. Not getting 24 volts at thermostat & unit still not running. Fan on ... A: Freddie, If fan does not come on and no 24 volt at stat, chances your step down transformer or a ... | |
| Freezing lines/ leaking problem? | 7/11/2011 |
| Q: Just had a new heat pump and furnace installed 2 years ago by a reputable company here in IN. The ... A: Brad, New lines are usually installed,if you have the original proposal and it states new line set ... | |
| 9 yr old Goodman Heat Pump System | 7/9/2011 |
| Q: I purchase this townhouse in 2009...foreclosure. System working is well until 7/8/2011....The ... A: Edie, Your blower motor in the attic may be bad, or a blower relay may be bad, try turning your fan ... | |
| HUGE leak from a/c unit | 7/8/2011 |
| Q: I have an arcoaire a/c unit and from what I can tell it is an upflow/downflow unit. About 3 days ago ... A: Kellie, No mention from you if the Tech. blew out your condensate drain line, as a plugged trap ... | |
| Central Air | 7/7/2011 |
| Q: Not much for typing out long questions so I will list my concerns in order 1 New AC and Furnace 2 ... A: Matt, Your insulated suction line should be sweating and cool to the touch, and part of your ... | |
| Compressor terminal post wiring connector came apart - remnant still sticking to post | 7/6/2011 |
| Q: I went to a package unit A/C today and found one of the hot legs loose from the compressor terminal ... A: John, Terminals are not soldered, probably due to age they bond to the compressor terminals due to ... | |
| AC coil condesation leaking on furnace | 7/5/2011 |
| Q: Amana Air Conditioner installed 1989 cools properly but condensation was leaking below indoor ... A: S, If yours is a cased coil it's real easy to access coil ,also most times the coils have access ... | |
| AC coil condesation leaking on furnace | 7/5/2011 |
| Q: Amana Air Conditioner installed 1989 cools properly but condensation was leaking below indoor ... A: S, You would have to physically open your Plenum duct to inspect the indoor coil, He may have ... | |
| a/c not blowing cold | 7/4/2011 |
| Q: I replaced my fan motor and run capacitor yesterday because it went out. The ac blew cold air for ... A: Mike, Is the "my vents are blowing cool air just not very hard " something new or has it been like ... | |
| a/c not blowing cold | 7/4/2011 |
| Q: I replaced my fan motor and run capacitor yesterday because it went out. The ac blew cold air for ... A: Mike, What motor did you change the blower or outdoor condensing unit motor? Not sure what the ... | |
| clean out | 7/2/2011 |
| Q: .i have two new payne units, and they are fine. but pinestraw has found its way into the bottom of ... A: James loosen top fan guard/motor enough to pass a powerful wet dry vac hose,don't need to ... | |
| a/c | 6/24/2011 |
| Q: When you turn a/c on works and blows cold for about a minute them makes a sound {like something ... A: Steve, The compressor is probably not running and ( locked up ) disconnect the outdoor fan motor ... | |
| outdoor fan stops running after a while | 6/23/2011 |
| Q: I have a 18 year Trane XE1100 air conditioner, its outdoor fan stops running recently after the ... A: Hai, If you have a dedicated run cap for the outdoor fan motor then yes change it as the orignal ... | |
| unit | 6/21/2011 |
| Q: I have been working on a Bryant unit. I have replaced the compressor and now a reversing valve, my ... A: Carla, Yes if you heated the sensing bulb and cooled it and no change then you may just have a bad ... | |
| unit | 6/21/2011 |
| Q: I have been working on a Bryant unit. I have replaced the compressor and now a reversing valve, my ... A: Carla, Well the first thing you do when changing the compressor is to see the data tag on the ... | |
| Low - medium temp target Super Heat | 6/19/2011 |
| Q: There are tons of charts for charging air conditioning which utilize cap tubes or orfices. Is there ... A: Rich, Determine the evaporator temperature. Do this by reading your suction pressure displayed on ... | |
| outdoor fan stops running after a while | 6/18/2011 |
| Q: I have a 18 year Trane XE1100 air conditioner, its outdoor fan stops running recently after the ... A: Hai, At face value you probably have a bad motor,one source is grainger.com needing only an ... | |
| central air conditioner | 6/15/2011 |
| Q: I would like to ask a question. We have a Magic Chef(part #36993A086) unit 1 1/ton. We were told by ... A: Peg, If the refrigerant charge is correct, and unit ices back to compressor, check to see if blower ... | |
| Air Conditioner fan | 6/13/2011 |
| Q: The fan on the outside on my heat pump would not turn. I called a repair service. The first time ... A: Pat, When checking a outdoor fan on a heat pump, check the defrost board as that controls the ... | |
| Wiring thermostat | 6/12/2011 |
| Q: I just bought a programmable thermostat and need help properly getting it wired. My current ... A: Chris, Providing you bought a correct replacement for your current system,You should be looking at ... | |
| Trane XR90 Furance/Carrier AC Unit-transformer burned out | 6/11/2011 |
| Q: I have a Trane XR90 furnace in my basement connected to a Carrier AC unit outside. The Trane unit ... A: Bob, Outdoor unit being dirty should not cause the transformer to burn out, I would first recommend ... | |
| AC starts blowing hot air after 8-9 hours run | 6/10/2011 |
| Q: My condo AC has a York condenser(outdoor) and a FirstCo air handler(with coil and heaters in ... A: Justin, Need a 5/16" nut driver and remove access panels , at indoor unit, not a difficult job, you ... | |
| Upgrage to a heat pump | 6/6/2011 |
| Q: I have a house with 3 tons air conditioning which is only 4 years old, I would like to upgrade to a ... A: Yvon, Electric heat is expensive so I would say going to a Heat Pump would help, several things to ... | |
| air conditioner hissing | 6/5/2011 |
| Q: I have a amana GSX13 Distinctions Air Conditioner 13 seer less than a year old. It makes a hissing ... A: Brad, That would be from your compressor section correct?, if so your compressor is relieving hot ... | |
| Electronic Air Filter | 6/5/2011 |
| Q: I'm a first time homeowner, trying to figure everything out. My furnace does not seem to have any ... A: Kris, Line voltage EAC should only be energized when the blower fan is running,older ones produce ... | |
| TXV, Air Handler, Ductwork | 6/4/2011 |
| Q: How much to replace TXV in Trane 2-3 ton variable speed air handler, which uses R410A. Also the air ... A: Robert, If they can pump the total charge of refrigerant into the outdoor unit and the TEV is a ... | |
| Air Conditioner | 5/21/2011 |
| Q: My A/C suddenly stopped working. It was working fine this morning and then just stopped turning ... A: Juanita, If you have a digital t-stat and you changed batteries ( some are wired not needing ... | |
| trane compressor | 5/17/2011 |
| Q: I work for an aptcomplex, and had a trane unit where the compressor would come on then kick off. ... A: Bryan, No mention of refrigerant pressures,or amp draw of compressor,or if unit trips on high ... | |
| Arco heat pump with gas aux heat | 5/16/2011 |
| Q: Arco hhp230aka 1 .. Unit runs great in cool mode.. no problems When in heat pump mode it runs about ... A: Mike, Do you have a OD t-stat??, that shuts off Heat Pump when it goes below a certain OD temp. if ... | |
| Trane xl 1200 not cooling | 5/15/2011 |
| Q: I own a Trane xl 1200 series outdoor A/C unit. I turned the unit on. The fan works properly ... A: Steven, Hopefully it's only a bad compressor run capacitor,you also may have a bad start assist ... | |
| Two-stage Furnace | 5/14/2011 |
| Q: I have a new Carrier Infinity series furnace that fires at two stages. Would it not perform better ... A: Michael, I would put a two stage heat t-stat in, minimal cost item. It doers not have to be a ... | |
| return sizing for 5 ton unit | 5/12/2011 |
| Q: I have a 5 ton Goodman split unit 16 seer, 2-stage unit. The return filter size is 24 * 36. The ... A: Tom, Your close already with 1728cfm basing it on the above information ( who am I to argue with a ... | |
| return sizing for 5 ton unit | 5/12/2011 |
| Q: I have a 5 ton Goodman split unit 16 seer, 2-stage unit. The return filter size is 24 * 36. The ... A: Tom, From a Trade Publications No. 2: Sizing return grilles is easy; just use the 1 sq.ft. per ton ... | |
| AC not blowing | 5/12/2011 |
| Q: Our AC is getting cold, but no fan is blowing. Even turning off the unit and just turning on the ... A: Dominique, Bound up motor, open motor windings, bad motor run capacitor, no power feeding the ... | |
| Central Air | 5/11/2011 |
| Q: It is 3 years old. I just turned on the AC. Should the fan on the actual unit be going around??I ... A: Claudia, If the outdoor fan and compressor do not run either the low pressure switch opened and is ... | |
| Residential low voltage problem | 5/11/2011 |
| Q: I have a Bryant Model 373lav up flow furnace with the matching AC unit. It is 12 years old. I ... A: Jeff, Replacing with bigger fuse is not the way to go, you have a short somewhere, try removing all ... | |
| Blower wheel removal | 5/9/2011 |
| Q: I have a Goodman Gas furnace model #gms80905cna I am trying to replace the blower wheel on.I can get ... A: James, Usually there are two to four 5/16" hex head screws that hold the whole blower assembly, ... | |
| Central Air Conditioning Suddenly Not Cold | 5/9/2011 |
| Q: I have central heat/ac. Both have been functioning properly in "Auto" mode - where the heat will run ... A: Mary, Does the outdoor fan run,if so your compressor may not be running,you could have a bad ... | |
| Two-stage Furnace | 5/8/2011 |
| Q: I have a new Carrier Infinity series furnace that fires at two stages. Would it not perform better ... A: Michael, You would have to see how your furnace is wired, You may only have a one stage heat stat ... | |
| Line Set Sizing | 5/4/2011 |
| Q: I am having my old heat pump replaced with a higher efficiency model. I will have a professional ... A: Jenny, If at all possible change the line set, there may be some residue oil in the old line set ... | |
| Broan HVAC | 5/3/2011 |
| Q: We need to replace a downstairs unit and our repair man said that a Broan heat pump/ac unit is very ... A: Angie, If you were to take your total A/C and Heat system,and broke it down you would see that ... | |
| comparison of central air systems | 5/3/2011 |
| Q: I was recently given estimates from two HVAC contractors for a new air conditioning system ... A: Barb, Lennox along with Carrier and Trane are heavily advertised, and have many sales/tech.support ... | |
| Broan HVAC | 5/3/2011 |
| Q: We need to replace a downstairs unit and our repair man said that a Broan heat pump/ac unit is very ... A: Angie, Guessing the reason why your " repair man " suggest Broan is they probably sell that line. ... | |
| Lennox suffers lightning strike | 5/2/2011 |
| Q: I have a Lennox 80MGF3 75A gas furnace. Last night I had lightning strike my front yard. After the ... A: Anthony, If you go to the t-stat and run just the fan, nothing starts then you either opened a fuse ... | |
| Estimate on AC replacement | 5/1/2011 |
| Q: To perform the following the cost is about $6000.00, is this an efficient and effective replacement ... A: Greg, Guessing Maryland is a expensive State, so cost are higher than a low cost State, size of the ... | |
| A/C SEER | 5/1/2011 |
| Q: We are going to have a new A/C unit installed in our home. We currently have a 18 year old 2 ton ... A: Brita, Your probably not going to save a whole lot from a 14.5 to a 16 . You also should look at ... | |
| New Split A/C System Start Up | 4/29/2011 |
| Q: What does it mean if your evaporator coil is "flooded"? Is this a severe problem for my new A/C ... A: Al, The install guide once again comes to the rescue, it should clearly state what size piston to ... | |
| New Split A/C System Start Up | 4/29/2011 |
| Q: What does it mean if your evaporator coil is "flooded"? Is this a severe problem for my new A/C ... A: Al, Being 12 ft long and system is charged to 15 Ft. from factory ,to me 3 extra feet should not ... | |
| central air not cooling | 4/25/2011 |
| Q: We have a central ac unit that doesn't cool that great. First the filter was very dirty and cause ... A: Tony, Yes you could be low on charge,Suggest calling for service. If it continues to ice all the ... | |
| wall mounted AC unit | 4/24/2011 |
| Q: I have a through wall AC unit that is slowly falling out of the opening. It is a Friedrich Air ... A: Thomas, High up on a inside wall? then you need to go outside using a ladder and using one or two ... | |
| New A/C | 4/23/2011 |
| Q: I have a almost 15 year old heating and cooling system and live in Phoenix. I have a 2 story home ... A: Janice, What is the efficiency on the gas side ,both are equal ? Is warranty important to you ? ... | |
| 1962-63 Holly 80VF | 4/18/2011 |
| Q: Do you know the AFUE of a 1962 Holly 80VF Forced Air unit. The tag reads input 80,000 BTU but shows ... A: Del, Bonnet capacity is the actual amount of BTU's that you get from a furnace during the run ... | |
| ac not working | 4/10/2011 |
| Q: ....trane our ac is not working when set to auto, but fan is blowing, but not cold air. the control ... A: Gina, Snowflake means it's calling for cooling, so the t-stat is doing it's part, you don't mention ... | |
| Home A/C Vent Covers | 4/7/2011 |
| Q: What direction should A/C vent ceiling vent covers be pointed? I have several A/C vent covers in my ... A: Rene, Sounds right to me , you want the air blowing on walls, windows , perimeter then your ... | |
| Sealing off ducts from main unit | 4/5/2011 |
| Q: The family who owned our home prior to my family used the garage as a spare room. By doing his, they ... A: Brad, Metal or fiberboard duct?? Metal, remove duct you want, buy a tin snip ( straights )at Home ... | |
| possible leaking evap coil | 4/2/2011 |
| Q: I have a 2001 model concept 1200 air ease heat pump. The fluid is leaking after I had a tech stop ... A: Chris, Depending on where the leak is and how difficult it would be to access the coil.You do state ... | |
| HVAC (AC) | 3/31/2011 |
| Q: My home AC (Carrier) died. A contractor has given me a bid to replace the old compressor unit with a ... A: Stephen, Haier is based in China, With that in mind,If he is only changing the outdoor unit then he ... | |
| forced air heater | 3/29/2011 |
| Q: We have a small forced air unit brand name DNP model #50U-19A serial #2076001261. It is about 35 ... A: Connie, First off what did the gas Company say about availabity of the gas valve/control box? I'm ... | |
| A/C PVC & Chlorine | 3/28/2011 |
| Q: Is it safe to pour chlorine or bleach thru the A/C blowing units' drain pipes to maintain them ... A: Rick, Don't know about peroxide, bleach I would dilute it with water. Personally if the drain ... | |
| fiberglass | 3/26/2011 |
| Q: I have a fairly new home (2003) with a geothermal unit with fiberglass ductwork. I know fiberglass ... A: Heidi, There are different grades of fiberboard, usually they are yellow in color ( insides ) then ... | |
| loud Humming noise emitting from air handler when in off | 3/25/2011 |
| Q: I have a new Rheem 4 ton 15 seer heatpump,when not running, and electronic thermostat in on, or ... A: Ben, When you mean they replaced a coil do you mean a relay? or the transformer? Didn't they give ... | |
| furnace efficiency | 3/24/2011 |
| Q: .recently i got two new seer 16 payne central air units in the house. while the compressor outside ... A: James, What are talking you about, the A/C part or Furnace ? If the furnace get the model # and ... | |
| heat pump | 3/22/2011 |
| Q: We are going to replace our elec baseboard heat with a new forced air furnace and A/C. Being in our ... A: Bob, Whoever Contractor you use for whatever system you go with make sure you get the labor ... | |
| heat pump | 3/22/2011 |
| Q: We are going to replace our elec baseboard heat with a new forced air furnace and A/C. Being in our ... A: Bob, They are efficient in any winters just that you can not run it below a certain OD teperature ... | |
| heat pump | 3/22/2011 |
| Q: We are going to replace our elec baseboard heat with a new forced air furnace and A/C. Being in our ... A: Bob, I like Heat Pumps have one in my residence, living in New England as a warm weather ... | |
| heat pump | 3/22/2011 |
| Q: We are going to replace our elec baseboard heat with a new forced air furnace and A/C. Being in our ... A: Bob, I would just go with a 13 SEER A/C unit and a Condensing Furnace,at 92 % or 95 % Efficiency, ... | |
| Heat Pump | 3/20/2011 |
| Q: In your opinion do you think by placing a air source heat pump condenser in a basement would work. ... A: Pete, Rheem, GE , among other brands recently came out with a Heat Pump Domestic Water Heaters for ... | |
| HEAT PUMP AIR HANDLER NOISE | 3/11/2011 |
| Q: I have a FX4CNF060 Carrier Air Handler attached to a 25HCB561 Heat Pump. The unit is only about one ... A: Sue, Only thing I can think of what your describing is the rubber grommets around the copper ... | |
| installation of 95% efficient gas furnace | 3/8/2011 |
| Q: We have recently obtained 3 quotes from highly-recommended HVAC contractors in our area for a new ... A: Cindy, When you penetrate outside you install a 90 degree elbow facing up then you add a straight ... | |
| installation of 95% efficient gas furnace | 3/8/2011 |
| Q: We have recently obtained 3 quotes from highly-recommended HVAC contractors in our area for a new ... A: Cindy, Personally I would vent toward north,I prefer to keep the vent pipe as short as possible. ... | |
| Heat Pump | 3/7/2011 |
| Q: I have a 2 1/2 ton Amana/ Goodman heat pump installed in 2009, which has had 5 coil/ line leaks. ... A: Ted, Other than the inferior Sheetrock that was imported from China and installed in new/renovated ... | |
| air handler | 3/6/2011 |
| Q: Trusted Hvac tech replaced run capacitor 3 months ago and said it would only work for a few months. ... A: Jerry, Again, being a electric heater you may have a heat sequencer which brings on the electric ... | |
| air handler | 3/6/2011 |
| Q: Trusted Hvac tech replaced run capacitor 3 months ago and said it would only work for a few months. ... A: Jerry, What is this a Heat Pump with electric? If you have electric heat one motor wire probably ... | |
| soot from forced hot air system | 3/5/2011 |
| Q: I have a 25 yr old Thermo Pride (OL5) oil fired furnace...forced hot air. I have lived in this ... A: Cher, Possible the flue pipe that hooks up at the furnace ,in that area is sooted restricting the ... | |
| fan continues to run in attic on HVAC unit | 3/3/2011 |
| Q: Why does the fan continuously run in attic unit even though the thermostat is off. Not sure how old ... A: Jean, No mention from you if this just started or it's been like this for a long time, could be ... | |
| Ceiling Registers | 2/24/2011 |
| Q: Upstairs two bedroom apartment (Fed Project) (176 units). There are ceiling registers in the ... A: Loren, I forgot to mention to check the duct work to see if it's not coming apart, That would ... | |
| Noisey blower fan | 2/24/2011 |
| Q: I installed a new airhandler for my 2.5ton split sys. Heat pump. There is alot of vibration from ... A: Donald, Usually there are no shipping bolts on indoor blower wheels,it probably was a generic term, ... | |
| Ceiling Registers | 2/23/2011 |
| Q: Upstairs two bedroom apartment (Fed Project) (176 units). There are ceiling registers in the ... A: Loren, Possibly increasing blower fan speed would help with increasing the air coming out of the ... | |
| Ingersall Rand | 2/18/2011 |
| Q: Now that Trane and American Standard are under IR umbrella, does American Standard use Trane ... A: Juan, American Standard has a light commercial line up to 25 tons for packaged and split ... | |
| Draft inducer | 2/17/2011 |
| Q: I have a Ametek inducer blower that went bad. I bought a new one, but it is a metal housing. Mine ... A: Joe, You probably have a inducer motor that fits several brands or models, What went to the old ... | |
| Replacing W/R Heatpump Stat with Hunter 44155c | 2/15/2011 |
| Q: I recently picked up a Hunter 44155c Thermostat. We had difficulty seeing the indicator on the old ... A: You are almost correct. However, you actually need a two stage heat pump thermostat. I suggest you ... | |
| heat pump | 2/14/2011 |
| Q: the fan on the outside unit will not turn off A: Shane, Outdoor fans on Heat Pumps are hooked to a circuit board, when unit goes into a defrost the ... | |
| bard gas furnace | 2/8/2011 |
| Q: I have model C80D36A and it is short cycling. The furnace was manufactured around 1985. I have ... A: Denny, Try disconnecting your t-stat wires at the furnace and mark them ,then see if unit short ... | |
| intermitent fan operation | 2/5/2011 |
| Q: i have a lennox G12Q3E-82-7 furnance, when it calls for heat sometimes unit will work fine and ... A: Mike, suggest you buy those three items, the fan relay is a minimal cost item,need to know the ... | |
| intermitent fan operation | 2/5/2011 |
| Q: i have a lennox G12Q3E-82-7 furnance, when it calls for heat sometimes unit will work fine and ... A: Mike, What does " pilot light won't fire mean", that the pilot won't establish a flame, or the ... | |
| Rheem Classic Super Quiet 80 gas furnace | 2/3/2011 |
| Q: This is a 4 year old gas furnace that worked great until this winter. This problem only happens a ... A: Ron, Try running your blower fan 24/7 by placing the fan switch at the t-stat to ON, then run your ... | |
| Replacement of a a Central AC Unit | 2/3/2011 |
| Q: Two years ago I moved to a 1968 home and did not realize that the Trane system was from 1991. This ... A: Al, Going to BBB approved Contractor is a good idea, Prices vary in different parts of the country ... | |
| theoretical air conditioning | 1/29/2011 |
| Q: Ive read about how much power an air conditioner has to have to cool certain sizes of room - 5000 ... A: Andrea, All I can say is go to hvaccomputer.com they have heat loss ( heating ) heat gain (cool ) ... | |
| Heat pump problem | 1/28/2011 |
| Q: ..I noticed over the last few days that I didn't hear the normal operating sounds from the heat pump ... A: Charles, You can try disconnecting the two wires ( taping exposed ends )that come from the ... | |
| trane heatpump..running but no heat | 1/25/2011 |
| Q: Have a Trane heat pump outside.....that is running...and not iced up at all..but no heat is being ... A: John, If the outdoor fan is running does not mean your compressor is running also, would need to ... | |
| Rheem RGPJ-05EAUER furnace won't stay on longer than 5 seconds | 1/24/2011 |
| Q: I have a Rheem RGPJ -05EAUER furnace that will not stay on longer than 5 seconds. Here's the story: ... A: Joe, No mention from you if the blower starts, usually they are on a time delay and run whether the ... | |
| Furnace vents | 1/23/2011 |
| Q: We are finishing our basement and my husband cut vents directly into the main ductwork in the ... A: Jackie, If you don't already have them suggest installing balancing dampers on each branch line ... | |
| Trane XE80 gas furnace on blink | 1/22/2011 |
| Q: I have a Trane XE80 gas furnace which is about 9 years. Problem started with unit not coming on ... A: Tom, To me the glow coil/ignitor is only reacting to the module board.I prefer to call it a glow ... | |
| ice maker feeder tube freezes | 1/21/2011 |
| Q: whirlpool # ed5gtgxnq11, I've been having problems with the feeder tube to the ice maker freezing A: Mark, Potable water feed to the ice machine?? only thing to suggest is to reroute line somehow so ... | |
| Holly Forced Air Heater Model 120VF | 1/20/2011 |
| Q: The main burners do turn on but the blower does not. The blower motor, Thermostat and Fan Switch ... A: Hurbert, If a limit switch is in the normal postion ( which is usually closed ) your not going to ... | |
| Heat Pump Problems | 1/20/2011 |
| Q: I have a two heat pump system one which is a Lennox Model HP18-311V-7P, serial #: 5191d10234, that ... A: Michael, Your talking split system units,shows the PH10J as a split unit. If your talking about ... | |
| Olsen Furnace | 1/19/2011 |
| Q: I have an Olsen furnace and have been having a problem with it for the past year or so. The furnace ... A: Joel, Sounds like your blower is not comimg on, not a good idea to run heat without the blower ... | |
| AIR CONDITIOING | 1/18/2011 |
| Q: MY AIR CONDITIONER IS NOT WORKING. WHEN I TURN THE THERMOSTAT DOWN TO A LOW TEMPERATURE I CAN HEAR ... A: John, There is only one compressor contactor.It does not change ,it only energizes and closes the ... | |
| Carrier Blower Motor | 1/17/2011 |
| Q: I have a Carrier 58GFA furnace. Recently we have had the blower motor go off for a few moments, then ... A: Tom, Three options , leave as is as he recommends, buy one on line for 1/5 the cost and change ... | |
| A/C humming noise | 1/16/2011 |
| Q: We have central A/C, the unit is 3 yr old. The A/C unit that is inside the house sometimes makes a ... A: Rick, Means it's powered, Certainly it's not affecting your electric rate.No electricity or amprege ... | |
| trane heat pump | 1/16/2011 |
| Q: Yes i have heat and air outside unit it is about 10yrs old.TraneXL 1000,the coils outside are heavy ... A: Chris, The noise could be from the outdoor fan hitting the ice build up.Heavy frosted would ... | |
| Heating problem | 1/15/2011 |
| Q: I had an unusual occurence early this morning when my wife woke me up and said there is something ... A: Jack, Personally I would start with changing the stat. then take it from there, if your filters are ... | |
| Heating problem | 1/15/2011 |
| Q: I had an unusual occurence early this morning when my wife woke me up and said there is something ... A: Jack, Just because you have the battery option , If your t-stat has a C common terminal on the ... | |
| Lennox G61MPV-60C-111-08 | 1/15/2011 |
| Q: I have a Lennox G61MPV-60C-111-08 and it shows code 4-3 which means it lost flame sense 5 time in ... A: AK, Replace warranted motor, should have a 5 year warranty on it at the very least., labor is ... | |
| A/C humming noise | 1/14/2011 |
| Q: We have central A/C, the unit is 3 yr old. The A/C unit that is inside the house sometimes makes a ... A: Rick, The indoor section is called the fan section ,blower or Air Handler, the noise you hear is ... | |
| furnace | 1/13/2011 |
| Q: i have a intertherm electric furnace in my mobile home and it was working great until a day ago then ... A: Darryl, When was the last time your unit was ever checked ,a PM ( preventive maintaince check )? ... | |
| best heating source for my house | 1/12/2011 |
| Q: first off we live in Canada We are presently heating our home with wood in an airtight stove that is ... A: Albert, Your suppose to discharge the water from the furnace into a condensate pump then send it ... | |
| best heating source for my house | 1/12/2011 |
| Q: first off we live in Canada We are presently heating our home with wood in an airtight stove that is ... A: Albert, I don't see where septic has anything to do with it, you use a condensate pump for the ... | |
| best heating source for my house | 1/11/2011 |
| Q: first off we live in Canada We are presently heating our home with wood in an airtight stove that is ... A: Albert, Propane fireplaces are fine for spot heating, i believe they make them ventless. You could ... | |
| Furnace | 1/10/2011 |
| Q: I smell a sewer like odor in the room where my furnace is located and also sometimes throughout the ... A: Chris, Where does your Heat/A/C drain line drain to, it should go into a condensate pump .Hopefully ... | |
| Electric furnance clicking. | 1/9/2011 |
| Q: Recently I noticed a clicking sound coming from the vents while in Emergency Heat (furnace only ... A: Casey, You should not need to change the whole wire, most times the parts that burn are the wire ... | |
| Electric furnance clicking. | 1/9/2011 |
| Q: Recently I noticed a clicking sound coming from the vents while in Emergency Heat (furnace only ... A: Casey, If your telling me ,when you switch to aux. heat at the t-stat and your air temp.changes ... | |
| Carrier Blower Motor | 1/8/2011 |
| Q: I have a Carrier 58GFA furnace. Recently we have had the blower motor go off for a few moments, then ... A: Tom, Chances bad fan relay or motor.Would need a meter to check fan relay coil to see if you are ... | |
| hooking up a thermostat | 1/6/2011 |
| Q: I'm trying to hook up a new thermostat. my unit is a Payne pha13nr. My husband thought he could ... A: Mary, If nothing works chances are the transformer may be bad due to a short while replacing wires ... | |
| hooking up a thermostat | 1/6/2011 |
| Q: I'm trying to hook up a new thermostat. my unit is a Payne pha13nr. My husband thought he could ... A: Mary, Don't know what type of heat you have, Heat Pump ,all electric ,Oil or gas warm air furnace.? ... | |
| Heat Pumps: Fans won't turn off | 1/5/2011 |
| Q: Joseph, You had helped me previously. Here is a link to our discussion: ... A: Frankie, The purpose of the voltmeter checking the 24 volt COIL of the fan relay or heat sequencer ... | |
| Closing Heat Vents | 1/4/2011 |
| Q: We just had hot air installed with vents in the ceiling. They put 2 vents in the bedroom and two ... A: Bob, You may want to look at the complete duct work hopefully they installed balancing dampers at ... | |
| Heat Pumps: Fans won't turn off | 1/3/2011 |
| Q: Joseph, We live in the Phoenix Metropolitan Area. Our home has heat pumps. At the thermostat, ... A: Frankie, You can remove t-stat then turn power back on if nothing turns on, chances it's your stat. ... | |
| A/C gases | 1/3/2011 |
| Q: I have just had a new a/c unit installed having been told that my old compressor (nearly 11 years ... A: Derek, In order to qualify for the UP to $1500.00 tax credit unit needs to be 16 SEER for A/C and ... | |
| Heater is blowing cold air | 1/2/2011 |
| Q: During the last day or so, I noticed our heater started to blow cold air. The room temperature is ... A: Hector, Need to remove the blower section , to see if it's belt drive ,replace if loose or tighten ... | |
| Heat Pumps: Fans won't turn off | 1/2/2011 |
| Q: Joseph, We live in the Phoenix Metropolitan Area. Our home has heat pumps. At the thermostat, ... A: Frankie, Usually t-stats are two pieces and only need to remove the front part, the t-stat subbase ... | |
| Heat Pumps: Fans won't turn off | 1/1/2011 |
| Q: Joseph, We live in the Phoenix Metropolitan Area. Our home has heat pumps. At the thermostat, ... A: Frankie Two of three systems fans run constantly, Correct? When was the last time your units were ... | |
| Brand new A/C heating, but with barely warm air. | 12/30/2010 |
| Q: Had a brand new 2.5 ton Heil FVM4X2400AT1 handler and HXH530GKA100 condenser installed in Sep 2010 ... A: Lukas, Fan blower speed would have an effect on air temperature , also who is to say the 8 KW ... | |
| White Rogers programmable electroinc Digial Thermostat | 12/30/2010 |
| Q: the blower will not cut off after the heat reaches the setting of 70. The only time I can get the ... A: Wilhelmira, Whatever color wire is on the the G terminal ,remove it and let it hang, if the fan ... | |
| White Rogers programmable electroinc Digial Thermostat | 12/29/2010 |
| Q: the blower will not cut off after the heat reaches the setting of 70. The only time I can get the ... A: Wilhelmira, Try starting the heat and remove the t-stat to expose the wires ,does the unit cycle ... | |
| iced up heat pump after new thermostat install | 12/28/2010 |
| Q: I put in a new Honeywell TH6220D1028 thermostat last week and now my heat pump is iced up I didn’t ... A: Aaron, If your positive that on your circuit board the B wire went to common then yes you can hook ... | |
| Gibson Heater/furnace - fan always ON | 12/28/2010 |
| Q: We have a Gibson heater/furnace. Used to work very well for the past 8 years without a problem. ... A: Ramu Chandra, Limit circuit open would mean a high limit tripped,some are resettable some are a ... | |
| Exsessive moisture from outside of A/C Heat pump | 12/27/2010 |
| Q: I just had a new A/C Heat pump package installed on my roof 7 days ago. It is a Bryant 3.5 607C ... A: Jake, Did you query the Installing Contractor your concerns ?, it should still be under ... | |
| Central Heat | 12/26/2010 |
| Q: I have a Rheem Thermostat and when the heat is initially set to auto heat at 72 the unit works and ... A: Joseph, What do you have , Gas ? ,Heat Pump ? All Electric? To me you are describing a packager ... | |
| Rattling Noise | 12/25/2010 |
| Q: I've got a CARRIER 58STA070-12 Furnace. It's about 3+ years old and mostly used during winter time ... A: BJ, When does it make noise, when blower motor turns on? when burners turn on? Suggest you remove ... | |
| Electric furnacd | 12/24/2010 |
| Q: I have a 2006 vexar electric forced air furnace. There seems to be a buzzing noise louder then ... A: Brook, For now turn on the blower fan, at the t-stat put fan from auto to on, your blower will run ... | |
| iced up heat pump after new thermostat install | 12/23/2010 |
| Q: I put in a new Honeywell TH6220D1028 thermostat last week and now my heat pump is iced up I didn’t ... A: Aaron, OK I'm taking that the brown wire that is hooked up to the terminal strip next to X came ... | |
| pilot off on heater,, | 12/23/2010 |
| Q: My heater fraiser johnston model 380 CDN 2-A,,, is pretty old. the pilot went off 2 days ago.. I ... A: Miriam, If this a standing pilot system then your control should be on the gas valve, there should ... | |
| iced up heat pump after new thermostat install | 12/21/2010 |
| Q: I put in a new Honeywell TH6220D1028 thermostat last week and now my heat pump is iced up I didn’t ... A: Aaron, Normally the O wire energizes the Reversing in cool,some models use B to energize the RV in ... | |
| Heat Pump | 12/20/2010 |
| Q: I have a York heat pump E2fh042S06A that will shut down after running two hours continuously and the ... A: Jack, This is what you should do, buy a new board, and three thermisters, you would be way ahead of ... | |
| HVAC split unit heat/fan frozen up. | 12/19/2010 |
| Q: The Rheem condenser unit outside had several inches of ice on it. After melting all the ice on this ... A: Drew, What fan would you be talking about the outdoor or indoor, if this is the outdoor need to ... | |
| No Heat | 12/17/2010 |
| Q: I have a Goodman (PHKJ060-1F) 12 SEER, 5 ton, package heat pump unit. The unit was blowing out cold ... A: Tom, Remove the panel and visually check the breaker to see if it tripped.You could also have a bad ... | |
| ac with heat pump | 12/16/2010 |
| Q: with the cool on auto the outdoor unit comes on but the indoor dose not. when it is on heat the ... A: Mike, C ( common )is one side of the transformer R is the other, you DON'T want to jump R to C ... | |
| brown marks next to registers | 12/16/2010 |
| Q: have a unit in the attic return on the ceiling. at some registers there are brown stains next to ... A: Steve, Not sure, possible if you have metal ducts, rust from the inside of the duct ( from ... | |
| what kind of thermostat for my A/C? | 12/15/2010 |
| Q: I replaced my 12yr old system and the company forgot to change the thermostat. They are not longer ... A: Josh, Trane 2TGBF38 is the Air Handler number,rated for three tons,Where is the proposal that the ... | |
| ac with heat pump | 12/15/2010 |
| Q: with the cool on auto the outdoor unit comes on but the indoor dose not. when it is on heat the ... A: Mike, Not a good thing to have the outdoor unit on and no indoor unit , suggest you remove jumper ... | |
| Zone Temperature Controller | 12/14/2010 |
| Q: I have an 80% efficiency furnace/AC system that needs to be replaced. I am getting different ... A: Steve, Your existing zone control should work with a 95 % no problem, perhaps some of the ... | |
| lighting a furnace | 12/13/2010 |
| Q: My gas went out and I have more but I can't get my furnace lit. The match goes out every time I try. ... A: Desiee, If this is propane and you had it filled ( my gas went out and I have more ) you may have ... | |
| Forced air furnace plenum | 12/12/2010 |
| Q: I have an Olsen ultramax gas fired furnace made by DMO Industries of Canada. I believe the unit is ... A: John, You do what you want with the air filter, suggest changing more freqently if using the ... | |
| Forced air furnace plenum | 12/12/2010 |
| Q: I have an Olsen ultramax gas fired furnace made by DMO Industries of Canada. I believe the unit is ... A: John, Try reading my comment dated 12/09/2010 Trane XL90 basically same condition that you have ... | |
| Century Heat Controller Geothermal | 12/12/2010 |
| Q: I just had a 3.5 ton Century Heat Controller Geothermal unit installed in my home 5 months ago. ... A: Jim, Several things may be causing this, if they replaced your t-stat the differential may be ... | |
| Forced air furnace plenum | 12/11/2010 |
| Q: I have an Olsen ultramax gas fired furnace made by DMO Industries of Canada. I believe the unit is ... A: John, Try running your blower fan 24/7 by moving the t-stat fan switch from auto to ON. the fan ... | |
| Continuous fan operation | 12/10/2010 |
| Q: I have Munchkin T-80 boiler, superstore ultra indirect fired water heater, Lennox cbwmv air handler ... A: Paul, ... | |
| Trane XL90 | 12/9/2010 |
| Q: Trane XL90 furnace. Inducer and blower motors spin freely and quietly.KIcks off with error code 4. ... A: Rick, Your supply air temp. would have a lot to do with the blower fan speed, no mention what speed ... | |
| Electric furnace will not work on auto setting | 12/7/2010 |
| Q: Gibson model # GB3BM-036K-b 208/230v 1 phase 60hz 2.2 FLA 1/3 hp Ok tough for me maybe easy ... A: Mark, What do you mean two power switches ,Breakers? I have worked on some Gibson Heat Pumps with ... | |
| Furnace problem | 12/5/2010 |
| Q: I have a Janitrol Furnace Model GMP 075-3 Rev B. There are three flame jets. The first flame jet ... A: Daniel, You should have a aluminum Allen head screw somewhere on the gas valve aprox.3/8 " diameter ... | |
| Furnace problem | 12/5/2010 |
| Q: I have a Janitrol Furnace Model GMP 075-3 Rev B. There are three flame jets. The first flame jet ... A: Daniel, When I said check your gas pressure I did not just mean low pressures you could be ... | |
| Furnace problem | 12/4/2010 |
| Q: I have a Janitrol Furnace Model GMP 075-3 Rev B. There are three flame jets. The first flame jet ... A: Daniel, You should check your gas pressure at the valve , if you have natural it should be 3.5" ... | |
| Carrier heat pump | 12/3/2010 |
| Q: I have a carrier heat pump, model no. 38BYC060310, that will not kick on for either heat or AC. A ... A: Matthew, No outlet voltage at the board would indicate being bad, you can closely look at the board ... | |
| heating w/ heat pump and oil | 12/3/2010 |
| Q: My house is 60 years old with an old oil furnace. I had a rooftop ac unit which broke so I replaced ... A: Claire, The simplest way would be to have two t-stats one for each.Manually turn off one and ... | |
| Strange goings on in Electric heater. | 12/2/2010 |
| Q: Hey Joseph, I have a SunTherm B15-55 Electric Heater and A/C unit, About 6 years old. While ... A: Ed, The fan relay just starts/stops the motor, recommend replacing the motor and run capacitor. ... | |
| r-22 heat pump | 12/1/2010 |
| Q: I have a fraizer johnson r-22 heat pump. seem to only be getting out 89F heat from the vents, have ... A: Tom, What did the Tech. say ? all was well?? Being eight years old should not be an issue. What is ... | |
| I have no heat. | 12/1/2010 |
| Q: My AC/Heating unit will not heat my home. It will work in AC mode but when I turn it to heat it ... A: Dana, Disconnect all low voltage wires from the t-stat, to indoor unit ( if split system unit ) and ... | |
| Apartment 80 inside when 40 outside. | 12/1/2010 |
| Q: In the past year, my electric bill has doubled. A year ago I complained that my apartment was 80 ... A: Alexis, I've heard about middle units not needing much heating in winter months,due to having all ... | |
| Heat pump | 11/30/2010 |
| Q: Service rep checked our inoperative heat pump today and advised that compressor is grounded...new ... A: Ernest, Can't change just the outdoor unit anymore as they went to a different refrigerant and ... | |
| Heat pump false starts in heating mode | 11/30/2010 |
| Q: What would cause a new heat pump to false start (fan contactor picking up and dropping out every 3 ... A: Steven, What fan would you be talking about blower or outdoor fan? fans have relays, compressor has ... | |
| Heat and AC at the same time | 11/28/2010 |
| Q: I am working on a unit that has both the A/C and Heater coming on at the same time. I have checked ... A: Bill, At face value doubt it's the transformer unless someone wired the compressor contactor direct ... | |
| Disabling Heat Pump | 11/27/2010 |
| Q: I have a 7 year old, 3 ton R22 heat pump system, with a programmable t-stat. When the delta between ... A: Ray, If you shut off the line power for many hours or days then just flip it back on and start the ... | |
| mobile home oil furnace | 11/26/2010 |
| Q: I have a Nordyne furnace with a Beckett burner. The problem is the fan doesn't seem to kick on when ... A: Mike, All you have to do is remove the blower door ( there may be a door switch that you can hold ... | |
| mobile home oil furnace | 11/26/2010 |
| Q: I have a Nordyne furnace with a Beckett burner. The problem is the fan doesn't seem to kick on when ... A: Mike, Probably why the furnace is shutting off before the blower comes on, could be because the ... | |
| in-duct heaters | 11/25/2010 |
| Q: my son has a 4ton goodman heat pump that works fine for a/c, yet when the cold comes, his 3 5kw ... A: Rich, First off electric heat is expensive,Some states charge a lot more for electric than other ... | |
| york heat pump problem | 11/23/2010 |
| Q: yes i have ayork package heat pump the blower will not shut off i have unhooked the stat wires and ... A: Brandon, Blower fan does not hook up to the contactor,( the compressor does ), hooks up to a fan ... | |
| Blown Fuse | 11/20/2010 |
| Q: I had a Rheem furnace and a Frost King outside unit installed almost 3 years ago. I had a friend of ... A: Jason, One advantage of having a professional install, pay more up front but chances less issues ... | |
| amp draw | 11/19/2010 |
| Q: I am sizing a service for a bldg.and want ballpark figure how many amps to allow for a 12 ton ac ... A: Gary, Go to Goodmanmfg.com under Commercial units ,products spec. they list a 12.5 Ton A/C unit ... | |
| Goodman A/C issues | 11/19/2010 |
| Q: I moved into an apartment complex in August. Now that it has gotten colder outside the goodman a/c ... A: Chris, What is this ,a Heat Pump ? is this a packaged unit ( one piece outdoor unit or split system ... | |
| Day and Night Brand air conditioner | 11/18/2010 |
| Q: Due to recent hail damage I will be replacing my air conditioner. Do you know anything about the ... A: Marilyn, The Day Night was recently brought back, owned by United Technologies Corporation. Among ... | |
| a difficult room to heat and cool | 11/17/2010 |
| Q: I have a large room located above the garage which is too warm in the summer and too cold in the ... A: David, It's called a return vent ( "it has no intake vent to remove the air in the room )and you ... | |
| Trane heat pump compressor cycles on and off | 11/16/2010 |
| Q: I have a hybrid heating system with a Trane XL15i heat pump and an oil furnace. The controls are ... A: Tom, Try removing the outdoor electrical panel and look at the wiring diagram ,probably the outdoor ... | |
| Air handler - common wire | 11/16/2010 |
| Q: I'm planning to switch to a new thermostat that needs a "common" wire. My air handler (First Co ... A: Mike, If that is an accurate wiring diagram of First Co. Air Handler the t-stat calls for a t-stat ... | |
| Air handler - common wire | 11/15/2010 |
| Q: I'm planning to switch to a new thermostat that needs a "common" wire. My air handler (First Co ... A: Mike, You can't just hook up a stat to colors, your stat is going to have R,Y,W,G,C,possible O and ... | |
| Trane XB80, open limit switch fault code | 11/14/2010 |
| Q: Trane XB80, worked for several days, then quit. When started, led goes from slow flash(no call for ... A: Paul, Look at wiring diagram to see if you missed any High limits. Certainly your board could be ... | |
| Heat Pump Fan Delay | 11/13/2010 |
| Q: We have an open loop water source heat pump, and the supply ductwork is in the trusses above the ... A: Dale, OK , the way I read your question is you wanted to delay the blower fan. Actually they do ... | |
| Heat Pump Fan Delay | 11/13/2010 |
| Q: We have an open loop water source heat pump, and the supply ductwork is in the trusses above the ... A: Dale, Personally I wouldn't bother modifying your existing wiring, To get a delay "on" for your fan ... | |
| Carrier Weathermaker | 11/12/2010 |
| Q: We recently bought a used Carrier weathermaker furnace and we are putting it in our large shop. ... A: Jake, I don't know if Carrier still does this , but there is a fusible link ( high limit sensor ) ... | |
| Pilot won't light | 11/10/2010 |
| Q: I have a criterion II, My board reflects two steady green lights and the third light which is ... A: Greg, I don't know what all the lights means on every brand.There are literally hundreds of model ... | |
| zoned systems | 11/9/2010 |
| Q: My gas furnace has three zoned systems, all work except one- This one fails to close the damper when ... A: David, What is Syncron , the name of your zone system or a number on the motor itself ? If your ... | |
| Help Wiring A New Programmable Thermostat | 11/8/2010 |
| Q: The old thermostat is made by Honeywell and is a heat pump thermostat. It is one of the older ... A: Ben, Your the second person who installed this model stat, they had the same issue. Try installing ... | |
| r-22 heat pump | 11/7/2010 |
| Q: I have a fraizer johnson r-22 heat pump. seem to only be getting out 89F heat from the vents, have ... A: Tom, If your getting 89 degree at the supply grille(s) @ 28 degree OD temperature without the ... | |
| r-22 heat pump | 11/7/2010 |
| Q: I have a fraizer johnson r-22 heat pump. seem to only be getting out 89F heat from the vents, have ... A: Tom, Goggle/yahoo superheat and subcooling many sites explain how to take the measurements. I take ... | |
| funace blower motor | 11/6/2010 |
| Q: furnace blower motor does not shut off A: Frank, Depending on what type of control you have, older units used a bimetal insertion sensing the ... | |
| low speed blower operation | 11/3/2010 |
| Q: I have a Nordyne G6RC100C-16 Furnace with a Trion electronic air cleaner on the cold air return side ... A: Steve, I don't see an attached schematic, Also this is a homework question, which I don't like to ... | |
| Nordyne MS3QA-024KA | 11/2/2010 |
| Q: I am looking for some general advice, direction, and what I should expect for certain costs. ... A: Wendy, If the two stubs are just cut and bent over and you do not have any brass type service ... | |
| Nordyne MS3QA-024KA | 11/1/2010 |
| Q: I am looking for some general advice, direction, and what I should expect for certain costs. ... A: Wendy, What does your A coil hook up too? You must have a fan section or furnace. Don't you have ... | |
| strange smell when heat turns on | 10/30/2010 |
| Q: we turned our heat on the other night,we have a split untit A/C and heater, make intertherm, model ... A: Cheryl, Did find something about your Indoor Air Handler having electric heaters, should be located ... | |
| thermostat | 10/29/2010 |
| Q: Joseph, I have a Honeywell RTH111 thermostat that I just recently installed, and a gas furnace in my ... A: Chris, Did you have these problems before you changed the stat??, if it's been like this before you ... | |
| Air conditioning of a indoor swimming pool room | 10/28/2010 |
| Q: Pls tell me what are the requirements for installing a air conditioner in a room where a indoor ... A: Anuruth, Besides having a Professional Heat loss calculation done for sizing purpose. I am not sure ... | |
| twr030c100a2 trane hp | 10/27/2010 |
| Q: I am working on a friends HP. I replaced the T-stat. (r-22)psi around 60/240. Cooling works great, ... A: Chris, If you had to increase the transformer size to 40 VA , then the previous one was an ... | |
| no function | 10/26/2010 |
| Q: I have checked to see if power is on,no problem it has power to outside unit & checked contactor ... A: Fidel, A little more info would have been great . What is this a A/C unit or Heat Pump,split ... | |
| home a/c condenser replacement | 10/25/2010 |
| Q: The fan unit for my a/c has finally died by virtue of needing freon gas replacement which is now ... A: Marc, If you have a warm air system using gas,electric,whatever,the box sitting on top of it is a ... | |
| heat pump condensate | 10/24/2010 |
| Q: A 5 ton heat pump unit was installed this year. Air duct capacity is 3-3.5 ton. 2 leaks with ... A: Liza, If your leaking condensation from your duct, usually it's due to hot air on one side (such ... | |
| Intertherm model:MMHA won't light | 10/23/2010 |
| Q: I have an Intertherm MMHA that burns propane, it is about 12 years old and have never had a ... A: Jeff, Need to be careful when removing the motor from the tiny blower wheel,to prevent damage to ... | |
| Intertherm model:MMHA won't light | 10/23/2010 |
| Q: I have an Intertherm MMHA that burns propane, it is about 12 years old and have never had a ... A: Jeff, Your draft inducer starts, then there is a air switch/pressure switch mounted,on or near it ... | |
| Furnace Evaporator Coil | 10/22/2010 |
| Q: We need to replace the evaporator coil in our furnace and our AC is all out of refrigerant. Our home ... A: Angela, Cost vary from state to state,High cost state vs low cost state.Difficulty of job ... | |
| Church Kitchen Ventillation | 10/21/2010 |
| Q: We are attempting to have our church kitchen pass the health department inspection. Before they ... A: Rachael, If your installing new kitchen equipment needing exhaust vents, usually inspectors tell ... | |
| HEATER | 10/19/2010 |
| Q: WHERE DO I LIGHT THE PILOT AFTER I HOLD THE COCK DOWN ON A HOMART AUTOMATIC HEATER A: Sharla, Homart was under Sears many years ago, It's not an active brand in many years,If this is a ... | |
| AC Cut | 10/18/2010 |
| Q: I have a brick ranch house with a Rheem AC air handler unit in the attic with AC vents in the ... A: Mike, Double check that you have balancing dampers at the branch line where each branch takes off ... | |
| heat pump with oil hot water backup | 10/18/2010 |
| Q: My house has oil hot water as main heat and domestic hot water, separate AC. I switched the AC to a ... A: Joe, I have put in some fossil fuel kits over the years, I don't personally like bells and ... | |
| Baseboard heaters not working | 10/18/2010 |
| Q: Have a 3-story building. Back heaters get hot. Front heaters stay cold. I bleed the whole system ... A: Anita, you may be loosing prime, reason for manual bleeding, you can try to install automatic ... | |
| heat pump with oil hot water backup | 10/17/2010 |
| Q: My house has oil hot water as main heat and domestic hot water, separate AC. I switched the AC to a ... A: Joe, Your correct in saying the Goodman fuel kit goes to a gas system instead of oil, as Goodman ... | |
| Heil 5000 A/C freeze up | 10/14/2010 |
| Q: I have an 11 year old Heil system (air handler with electic heat/compressor). After running about 45 ... A: Jim, Your symptoms sounds like a low charge at face value, you also have to make sure the indoor ... | |
| water in unit | 10/11/2010 |
| Q: . I had my condensation pump stop working and water backed up in my armstrong sx90 unit. That ... A: Trini, If your positive that your fan switch ( on your t-stat ) is set to auto and not on, then ... | |
| Danby Diplomat 5040 | 10/10/2010 |
| Q: I have a Danby Diplomat 5040 portable air conditioner. Since it's fall we no longer need the AC ... A: Bonnie, I am not to firmilar with portable A/C units electronic controls side , some come with a ... | |
| heat pump wiring diagram & thermostat | 10/9/2010 |
| Q: i went from just a regular ac to a heatpump haveing trouble finding the wiring diagram for the unit ... A: Timothy, I personally never heard of a breeburn t-stat.I would buy a strictly Heat Pump stat, ... | |
| heat pump | 10/8/2010 |
| Q: I have a Tempstar combination heat and air conditioning pump. When the air is running and the ... A: Paula, Assuming your talking about the outdoor fan motor instead of the blower motor, most outdoor ... | |
| Intertherm Heat Pump | 10/7/2010 |
| Q: I purchased a foreclosed home last Feb. and the heat worked great all winter. Summer came and the ... A: Josh, A little mistake on my part ,most Heat Pumps Reversing valve are energized in cool mode, so ... | |
| Intertherm Heat Pump | 10/7/2010 |
| Q: I purchased a foreclosed home last Feb. and the heat worked great all winter. Summer came and the ... A: Josh, First you have to verify your Hunter is compatible with your heat pump system,do you have ... | |
| Rheem heat pump wiring diagram | 10/6/2010 |
| Q: I'm hooking up a Rheem Heat Pump but there wasn't any wiring diagram inside the cover. Can you tell ... A: Larry, Your probably better off emailing,calling Rheem with your question,Possibly a Rheem ... | |
| colman presidintialI central heating unit | 10/4/2010 |
| Q: The unit piolit lights and stays on, when you turn the valve to the on position it still stays on, ... A: Robert, Do you have a circuit board on your unit ?, if so , check for any hot spots on both ... | |
| refrigeration | 10/2/2010 |
| Q: I installed a refrigerated air package on an existing gas fired vertical heat system. The ... A: David, At 90 degree OD temp. according to the temperature pressure chart you should be around 245- ... | |
| refrigeration | 10/2/2010 |
| Q: I installed a refrigerated air package on an existing gas fired vertical heat system. The ... A: David, Typically add 30 degree to the ambient surrounding air at the condensing unit or 25 degree ... | |
| Walkin med. temp refrigeration unit. | 9/30/2010 |
| Q: Very high head pressure 385 hi, 50 low. Both coils have been cleaned, Txv has been changed,Filter ... A: Rolfe, You don't mention where the condensing unit is located outdoor or in,Basically take the ... | |
| no heat for goodman high efficiency furnace | 9/29/2010 |
| Q: My furnace is 3 yrs old. I have turned on the furnace but all is does is blow out cool air. I have ... A: Nashelle, Goodman furnaces have a 10 year parts warranty, so the only thing you should have to pay ... | |
| no heat for goodman high efficiency furnace | 9/28/2010 |
| Q: My furnace is 3 yrs old. I have turned on the furnace but all is does is blow out cool air. I have ... A: Nashelle, First step would be to see if the ventor/purge motor is starting ( removes the flue gas, ... | |
| Insulation in HVAC System | 9/27/2010 |
| Q: I just had a new, state of the art high-efficiency HVAC system installed at a cost of $15,000. The ... A: Kevin, You don't say if this is a new house that was under construction,and they ran it, if so ... | |
| hvac cleaning | 9/26/2010 |
| Q: 1100 sq ft home 11 years old in Phoenix with attic gas/air conditioning -heating unit. Compressor ... A: Ken, What is your question, not enough cooling or that you have a 11 degree diff.?? Also having ... | |
| hvac cleaning | 9/26/2010 |
| Q: 1100 sq ft home 11 years old in Phoenix with attic gas/air conditioning -heating unit. Compressor ... A: Ken, Remove panel to expose fan coil and clean with bristle brush, air, or water . Usually ... | |
| Air handler condensation | 9/25/2010 |
| Q: Our air handler is under the house, suspended from the floor joists in a 5+ foot crawl space. This ... A: Len, Try backflusning the condensate drain line with water,from a garden hose or use wet dry vac ... | |
| Lennox C33-42B-2F | 9/24/2010 |
| Q: We have a Lennox Heat pump in the attic of a three story town home. Within the last week we have ... A: Shelley, Clean out your condensate drain line ,possible the trap is plugged,Also clean out the ... | |
| Amer Standard Heat Pump TWE042C140C0 | 9/21/2010 |
| Q: I went to change my filter and found that my internal unit is leaking from the bottom corners ... A: Lu, First clean the indoor coil inlet side real well ( basically clean the whole coil real well ) ... | |
| Install | 9/18/2010 |
| Q: im installing a 2 ton condensor unit and found out there was a hole in the high side line in the ... A: William, If you did not hook in the line set and have no refrigerant in the lines (split system ... | |
| Air conditioning | 9/17/2010 |
| Q: Can running a dehumidifier at the same time your air conditioning is on make your total energy ... A: Cindy, A/C cycles on/off at temperature only, Certainly the A/C lowers humidity, depending on ... | |
| Central Air Water Pan Pulling Water Over Inside A Coil Pan? | 9/16/2010 |
| Q: Jody I have the same problem as the last guy that your information was offered too. My Blower fan ... A: Joseph, I do not have the ability to pass on your information,but yes cleaning/checking the coil ... | |
| air conditioner | 9/15/2010 |
| Q: My air conditioner has worked great all summer. All of a sudden it has begun tripping the fuse in ... A: Jodi, May have a weak breaker,or a minimal sized breaker. On the outdoor unit electrical data plate ... | |
| Proper tonage | 9/13/2010 |
| Q: I have a new two story home 2850 s.f. The builder put in a 3.5 ton unit and I have already had some ... A: Shirley, It would not be unusual for the A/C to run for long periods on a extremely hot day. You ... | |
| LUXAIRE | 9/11/2010 |
| Q: WE RECENTLY (3 MOS AGO) PUT IN NEW LUXAIRE FURNACE AND A/C. AS MANY SAFETY FEATURES AS THESE NEW ... A: Carla, Commercial units sometimes have freeze stat strapped on a return bend of the indoor unit to ... | |
| A/C compressor disposal fee, bogus or justified? | 9/10/2010 |
| Q: An A/C contractor wants to charge me a $150 disposal fee to take away my old outdoor A/C unit ... A: Steve, Easy Thousand, to two thousand with all the parts mentioned ,and a warranty. you have a ... | |
| A/C compressor disposal fee, bogus or justified? | 9/10/2010 |
| Q: An A/C contractor wants to charge me a $150 disposal fee to take away my old outdoor A/C unit ... A: Steve, Cost vary in different parts of the country and size of Company ( larger the company higher ... | |
| A/C compressor disposal fee, bogus or justified? | 9/10/2010 |
| Q: An A/C contractor wants to charge me a $150 disposal fee to take away my old outdoor A/C unit ... A: Steve, Your not required to even give them the unit ,you own it.You can use the unit as a door ... | |
| HVAC Changeout | 9/9/2010 |
| Q: SSZ140481A/AEPF426016 - 4 ton 15 SEER Goodman This is a replacement of a 25 year old 3 ton unit, and ... A: Bill, Rheem and Ruud (same brand ) has a similar policy, but reading it closely possibly the ... | |
| HVAC Changeout | 9/9/2010 |
| Q: SSZ140481A/AEPF426016 - 4 ton 15 SEER Goodman This is a replacement of a 25 year old 3 ton unit, and ... A: Bill, New units use different refrigerant meaning the oil is different ,and not mixable you should ... | |
| HVAC Changeout | 9/9/2010 |
| Q: SSZ140481A/AEPF426016 - 4 ton 15 SEER Goodman This is a replacement of a 25 year old 3 ton unit, and ... A: Bill, Doubt changing to a 1 1/8 " suction tubing will greatly increase your effiency and solve all ... | |
| Variety of failures, including several electrical | 9/8/2010 |
| Q: I'm living in my mother-in -law's house while renovating mine. Her AC is a central system w/a 3ton ... A: Al, Reason for replacing the start capacitor/start assist kit, possibly was that he installed a ... | |
| Compressor will not start.. | 9/6/2010 |
| Q: A/c stop working.. Changed filters they needed to be changed.. Compressor just hums.. How would you ... A: Mark, Replace compressor run capacitor,make sure it's an exact match capacitor MFD ( micro fared ... | |
| When can change over valve be energized | 9/5/2010 |
| Q: I have a very simple question which I'm sure will seem nearly laughable (if not rediculous) to ... A: Steve, The RV switches while the compressor is running ( during heat mode defrost operation ) ... | |
| Variable speed vs standard | 9/4/2010 |
| Q: I live in South Florida and I am replacing my 25yr old electric central split a/c system. My house ... A: Stephanie, Even thou the outdoor unit is rated at 14.5 to get it up to 16 SEER usually requires a ... | |
| Which is better? | 9/3/2010 |
| Q: I have two quotes almost the exact same price, but different models. Should I go with the Rheem ... A: Amanda, briefly looked at both units,unless I'm doing something wrong, the Rheem RHLL shows that it ... | |
| condensation/heatpump | 8/31/2010 |
| Q: what to do,I have condensation coming out the bottom ,of my indoor unit and down the duct work.the ... A: Ed, If this unit is in a attic horizontal position try hooking up the secondary drain also ( if not ... | |
| a/c problem condensor | 8/30/2010 |
| Q: i am and a/c tech i have this problem with the condensor its a rheem unit about 10 0r 12 years old ... A: Marc, Two things you can try, check the condensor fan motor bearing by moving blades side to side ... | |
| solinold valve | 8/29/2010 |
| Q: There is a solenoid valve on the small line of my A/C unit .I have not noticed it on other central ... A: Jay, More commonly used on Commercial A/C or Refrigeration equipment, but have seen it installed on ... | |
| Trane XL 80 and XB 1000 Not blowing air | 8/28/2010 |
| Q: We have a Trane XL 80 furnace and XB 1000 air conditioner and it suddenly stopped blowing all air. ... A: Krislynn, Probably needs a new motor , grainger.com a Nationwide Company that sells to the public ... | |
| dunham bush | 8/27/2010 |
| Q: I have an old Dunham-Bush space pak in which the blower coil unit motor mount has poppwed a weld. ... A: John, Try grainger.com a nationwide Company that sells to the public, briefly looked up " blower ... | |
| Basement Furnace-AC | 8/26/2010 |
| Q: Our basement furnace had what I believd to be a clogged condensation pipe, and water was overflowing ... A: Brian, To prevent overflowing you would need to periodically clean out your condensate drain to ... | |
| Basement Furnace-AC | 8/26/2010 |
| Q: Our basement furnace had what I believd to be a clogged condensation pipe, and water was overflowing ... A: Brian, I was only able to view the furn 1 photo, Inside of the furnace/air cond. unit there is ... | |
| ac sparks | 8/25/2010 |
| Q: my ac sparks once in a while , i see that is is because of dust. if i dont pay attentionwill it ... A: Laura, If you have an electronic air cleaner, sparking would be a normal sound, dust particles are ... | |
| Window Air Conditioner Not As Cold | 8/24/2010 |
| Q: I have a window air conditioner which I got in 2009 and used during that summer. Before the summer ... A: Sidney, You have to make sure you have sufficient air entering the outdoor coil ,and the exhaust ... | |
| Meaning of high pressure... too high? | 8/23/2010 |
| Q: I have been studying HVAC as a hobby. Is my high-side pressure too high? If yes, any suggestions? I ... A: Jim, You don't mention if this just started or has been like this for a while.Taking OD temp. of 96 ... | |
| thermostat error codes for an american standard unit | 8/22/2010 |
| Q: we have american standard not sure of the model number but it has a acculink programmable ... A: James, I am not familiar with that stat set up,short of goggle/yahoo the codes may be listed . An ... | |
| HVAC | 8/20/2010 |
| Q: American Standard Heat Pump , AHU with Elec Heat strip as AUX, Robertshaw 9615 Thermostat Problem: ... A: Hans, Ambient temp. at stat is 82, 60 degree temperature leaving coil ( your statement, equals 22 ... | |
| air conditioning, condenser air flow | 8/20/2010 |
| Q: I have a York brand Condenser Model#H2DB036506A, and question why the liquid line preasure and ... A: Larry, 100 degree OD temp. add 30 degrees to that convert to pressure comes to aprox.300 Psi head ... | |
| HVAC | 8/19/2010 |
| Q: American Standard Heat Pump , AHU with Elec Heat strip as AUX, Robertshaw 9615 Thermostat Problem: ... A: Hans, Briefly looked up your stat, nowhere does it say it's rated for Heat Pump Duty. Also when you ... | |
| central ac will not kick off | 8/18/2010 |
| Q: We have a mobile home with central ac, 8 years old. The last couple of days it has been running ... A: Cynthia, Being a very dense filter ( original ) you probably had reduced air flow from the supply ... | |
| Heating & Cooling | 8/18/2010 |
| Q: my question is why would my furnace blower work when the thermostat is set on auto but when switched ... A: Bill, As I stated you can remove the t-stat to expose the t-stat subbase and if you have these ... | |
| central ac will not kick off | 8/18/2010 |
| Q: We have a mobile home with central ac, 8 years old. The last couple of days it has been running ... A: Cynthia, Are you saying that the A/C does not bring the temp. down to room temp. ( reason for unit ... | |
| CAC Drip Pan repeatedly cracking | 8/17/2010 |
| Q: I have a 1.5 year old Bryant CAC system (3 ton, single speed air handler) which was professionally ... A: James, If your Installing Contractor is a Bryant dealer, I would ask him to find out if there are ... | |
| txv & fixed orfice | 8/16/2010 |
| Q: if u have a txv in a 13 seer ruud h.pump mismatched with heil 10 seer a.handler with a .48 fixed ... A: Mike, Whatever you have outside leave,seeing you have a mixed matched unit, use either or, if going ... | |
| Heating & Cooling | 8/15/2010 |
| Q: my question is why would my furnace blower work when the thermostat is set on auto but when switched ... A: Bill, you don't mention if this just started or it's a new install, Do you have two separate zone ... | |
| water leaking from my a/c unit | 8/14/2010 |
| Q: I had my entire A/C unit changed about 1.5 years ago. I have been having an ongoing problem. Water ... A: Jody, Certainly the outlet side of the trap is suppose to be lower that the side that hooks to the ... | |
| water leaking from my a/c unit | 8/13/2010 |
| Q: I had my entire A/C unit changed about 1.5 years ago. I have been having an ongoing problem. Water ... A: Jody, Did the Tech bother to check to see if your air handler is level width and length wise, All ... | |
| Weil Mclain boiler intermittent doesn't fire | 8/13/2010 |
| Q: I have a Weil-McLain propane boiler (CG12 with a CG-4 boiler) that is intermittently failing to ... A: Colin, Yes transformer do get warm to the touch, but really hot no, you should check your secondary ... | |
| Home HVAC units | 8/12/2010 |
| Q: I purchased a 17 year old home and both HVAC units need replacing. I have a quote for 2 new lennox ... A: Gerry, Depends on the brand,( Lennox being one brand heavily advertised costing homeowners more, ... | |
| Indoor blower fan keeps running | 8/11/2010 |
| Q: I live in a condo building that has a central heat pump system with individual McQuay hvac units in ... A: Debra, If the indoor fan never shuts off ,then there would be a wiring problem, ( needing service, ... | |
| A/C Repair or replacement? | 8/10/2010 |
| Q: Having a problem with the upstairs A/C unit which is a split system. Coil is leaking freon and ... A: Bill, Being only 7 years old , doubt they made pans of metal,( you state it was rusting ) pretty ... | |
| Superheat and Subcooling | 8/9/2010 |
| Q: I am trying to learn more about Superheat and Subcooling and how to interpret the resulting ... A: Nick, If you Goggle/Yahoo superheat ,guessing it shows taking the temperature reading at the ... | |
| Superheat and Subcooling | 8/9/2010 |
| Q: I am trying to learn more about Superheat and Subcooling and how to interpret the resulting ... A: Nick, temperature differential would be the return air ( basically room air )across the indoor ... | |
| air conditioner | 8/9/2010 |
| Q: I have a natural gas heater, almost new,is a Goodman model "GDS80703ANA", air conditioner 10 seer ... A: Fernando, You would need to change both indoor coil ( cased or uncased coil,whichever yours is ... | |
| Superheat and Subcooling | 8/8/2010 |
| Q: I am trying to learn more about Superheat and Subcooling and how to interpret the resulting ... A: Nick, Superheat = strap an accurate fast acting thermometer on the outlet of the indoor coil ( ... | |
| A/C Leak | 8/8/2010 |
| Q: e have a Lennox Merit Series 10ACC air conditioning unit that is leaking water from somewhere onto ... A: Deb, Probably the drain line from the indoor unit is partially plugged,Should not be difficult to ... | |
| Replaced Thermostat Today | 8/7/2010 |
| Q: AC worked this morning. Installed a ritetemp 6036 digital according to instructions. Electric ... A: Andy, Personally if you have gas already and you have a 80 % furnace I would install a 95% gas ... | |
| Payne R-410A compressor shuts off but fan still on | 8/7/2010 |
| Q: I recently had a Payne 13 Seer R-410A installed. When I turn this unit on all would be fine for ... A: Mark , What fan would still be on? the condensor ? if so and the compressor shuts down , A hissing ... | |
| leaking a/c | 8/6/2010 |
| Q: our a/c is ancient. its started to leak and we dont know y its a GE AJC11DMZ1 and its making a mess ... A: Hannah, If possible remove unit from sleeve and bring outside and wash out the indoor coil outdoor ... | |
| Air Handler Noise | 8/6/2010 |
| Q: I recently had the air handler in my apartment replaced. The outside unit was replaced a year ago. ... A: Tara, Could be the blower wheel rubbing against metal,loose parts internally of the Air handler ... | |
| Replaced Thermostat Today | 8/6/2010 |
| Q: AC worked this morning. Installed a ritetemp 6036 digital according to instructions. Electric ... A: Andy, Not cooling anymore? is the indoor fan running ?Yes? go to outdoor unit ( call for cooling ) ... | |
| Condenser noise | 8/5/2010 |
| Q: Mr Borgman, Hope you are able to help me to solve the problem. I have a split 4 ton HVAC system ... A: Barry, One source for the sound blanket is www.brinmar.com grainger.com ( nationwide company that ... | |
| Condenser noise | 8/4/2010 |
| Q: Mr Borgman, Hope you are able to help me to solve the problem. I have a split 4 ton HVAC system ... A: Barry, If your noise is coming from the compressor you can install a generic compressor cover ( it ... | |
| Terminal AC & Heating Unit - Decor Cover | 8/4/2010 |
| Q: We have a Terminal Air Conditioning & Heating Unit on the wall in our dining room. It looks like the ... A: Valerie, Even if you build one to cover your unit,and you have a remote t-stat you would have to ... | |
| Lennox Central AC Unit | 8/3/2010 |
| Q: I have a Lennox Central AC unit that is very old, I don't know how old, but I suspect 20 years or ... A: Susan, Noticed you still have problems with your unit,as you asked another expert.Your 63 degree ... | |
| Lennox Central AC Unit | 8/2/2010 |
| Q: I have a Lennox Central AC unit that is very old, I don't know how old, but I suspect 20 years or ... A: Susan, If your system worked OK before the surge and your indoor blower works Ok when a call for ... | |
| comercial ac unit doesn't drain | 8/1/2010 |
| Q: been having this problem with one of my units. the unit is not draining itself it, will only drain ... A: Marc, No mention from you about a P trap,or unit being level.Certainly all units require a trap ... | |
| Millen - I - Air | 7/30/2010 |
| Q: it was working fine last year but this year when I set the temperature for the ac it works for a few ... A: Linda, Not familiar with that brand,Don't know if that is a portable unit , packaged window unit , ... | |
| use of a pond or lake in conjunction with a heat pump | 7/29/2010 |
| Q: In the September 2010 issue of Log Home Living is an article by Rex A. Ewing entitled "Free Heat" ... A: Joseph, Water source heat pumps been around for decades, Great COP ,proven design, units do not use ... | |
| Spontaneous hot air blowing in Heat Pump | 7/28/2010 |
| Q: Our heat pump system blows hot air spontaneously even though it is not on at any mode in the ... A: DRJ, You may have problem with your low voltage wiring somewhere .If your stat is set to off and ... | |
| new heat pump | 7/28/2010 |
| Q: my split system 20 yrs old went out. going to replace it . but with what all co.s reccomend carrier ... A: James, Any of the brands you mentioned will work also Rheem/Ruud. As far as least amount of service ... | |
| Spontaneous hot air blowing in Heat Pump | 7/26/2010 |
| Q: Our heat pump system blows hot air spontaneously even though it is not on at any mode in the ... A: DRJ, If you have electric heat backup as the second stage during heat mode, possibly it's coming on ... | |
| Rheem RGVG blower fan | 7/25/2010 |
| Q: The blower motor on my single stage heat/single stage cool Rheem unit quit working about two weeks ... A: BILL, Bypass the circiut board and wire the blower motor direct ,you seem to know something about ... | |
| A/C Blowing cold enough? | 7/24/2010 |
| Q: I have a townhouse that's about 1700sq feet. Last year upon moving in, we got the freon checked, ... A: J, Your looking at aprox. 20 degree across the indoor coil. the return temp. was 82 your supply is ... | |
| heat pump vs. AC/gas heat combo | 7/23/2010 |
| Q: Our upstairs heat pump is a dinosaur from the 70s, and we are replacing it. It's amazing it's ... A: Kelly, If your existing duct is metal and you have good air flow coming from your vents no major ... | |
| Trane ex 800 ac not cooling | 7/23/2010 |
| Q: I have a Trane XE800 AC and a Trane EX60 gas furnace. I've owned my house for 12 years, and I think ... A: Patti, if the outdoor fan is running as you state does not mean the compressor is on,there is a ... | |
| heat pump vs. AC/gas heat combo | 7/22/2010 |
| Q: Our upstairs heat pump is a dinosaur from the 70s, and we are replacing it. It's amazing it's ... A: Kelly, Sticking with a Heat Pump will save a little on electric bill when in cool mode or heating ... | |
| Janitrol AC unit | 7/21/2010 |
| Q: Our ac unit stopped working, so we replaced the motor, capacitor and fuses. The unit will start and ... A: Vicki, Perhaps the the motor you replaced was marginal, meaning you may need to go to a slightly ... | |
| thermostat wires | 7/21/2010 |
| Q: have a 1f79 thermostat need too know were should i hook the orange wire and the blue wire. my white ... A: Heran, Follow the other ends of the orange and blue wire see where they hook up to, just because ... | |
| a c high pressure line | 7/20/2010 |
| Q: I have a 2 ton condensing unit,i can't get heat to the high pressure line.I have recovered, vac,and ... A: Archie, What are your pressures ? corresponding to OD temp.?Do you have R22 or R410A ? Basically ... | |
| central air unit cycling constantly | 7/20/2010 |
| Q: Good morning, I have noticed that my air conditioner has started cycling constantly. 7 minutes on, ... A: Lisa, you may have an oversized system for your residence,or cold air blowing on the t-stat ... | |
| unit not working! | 7/19/2010 |
| Q: On my weather king unit the outside fan turns and makes a loud noise, runs for about 20 minutes then ... A: Mya, your power to the outdoor unit should be at your circuit panel ,it may not be marked, but it ... | |
| AC/Heat Pump system | 7/18/2010 |
| Q: Recently purchased a lake home in Va., and have problem with AC cooling sufficiently. Had it ck'd ... A: Andy, There is no problem with going with a .5 ton larger Air Handler even heat pump systems you ... | |
| Cost of compressor install central air | 7/16/2010 |
| Q: Our compressor went out, and the charge to replace it was MUCH higher than anticipated. The ... A: Lisa, I don't believe you got ripped off, You may live in a high cost state/area which affects ... | |
| Janitrol Heat Pump | 7/14/2010 |
| Q: We have a Janitrol Heat Pump (package unit) that is 11 yrs. old. In March we replaced the fan motor ... A: Deanna, Chances are the motor you installed was marginal to start with, reason for it running hot ... | |
| replace heat pump | 7/11/2010 |
| Q: I want to replace my hvac. Currently have Carrier 16yrs old 3.5 ton heat pump with 4 ton air ... A: Bob, I don 't know what to tell you about which brand to go with, a slightly larger Bryant that ... | |
| Trane XR11 Compressor stopping | 7/10/2010 |
| Q: I have a 5-6 yr old Trane XR11. When I turn it on the outside fan blows and the inside blower works ... A: Jeremy, Most times when the compressor run cap. bulges it's due to the not having a 5 minute off ... | |
| Day & Night Furnace I have serial#,model# | 7/10/2010 |
| Q: I have the Carrier Day %26 Night Furnace. Can u tell me how old it is? I need to know if I can add a ... A: James, Usually the age of the unit is in the serial number not the model. also look at the data ... | |
| air conditioning | 7/9/2010 |
| Q: what does a flashing snowflake mean? A: Connie, A flashing snowflake may mean when in A/C mode the 5 minute time delay that most digital ... | |
| Goodman Indoor Blower problems | 7/8/2010 |
| Q: I have a goodman GMP 100-3 REV B furnace and AC split system. the outdoor unit it functioning ... A: Dave, You would need a volt/ohm meter to verify the motor is getting 120 volt ( if that is what ... | |
| replace heat pump | 7/7/2010 |
| Q: I want to replace my hvac. Currently have Carrier 16yrs old 3.5 ton heat pump with 4 ton air ... A: Bob, What did the Contractors say about the existing line set? certainly they must have said ... | |
| a/c not working | 7/7/2010 |
| Q: I have a Carrier WeatherMaker 9200 furnace in my home. Recently it seems not cooling my house at ... A: Chris, So was the outdoor condensing unit running?? if not did you check the circuit breaker to see ... | |
| air handler amp draw | 7/7/2010 |
| Q: I just wanted to follow-up hopefully one last time re: air handler amp draw. I probed the wiring of ... A: Giles, Certainly the motor could be bad ,maybe even the run capacitor . grainger.com has all the ... | |
| Leaking 20 y.o.heat pump | 7/6/2010 |
| Q: In my condo are two 20 yr. old McQuay Snyder General Heat Pumps made Jan. 1990. I turned on the a/c ... A: Pegi, You actually could just have a plugged drain line, I would find where the condensate drains ... | |
| central air | 7/5/2010 |
| Q: We left for 2 weeks so we shut the central air to 81. When we got back we turned it to 72 so it ... A: Linda, What is the history of your unit, how old is it. Have you had refrigerant leaks in the ... | |
| air handler amp draw | 7/2/2010 |
| Q: My question is in regard to my heat pump system. My indoor air handler is a Bryant 517EN030. The ... A: Giles, Indoor wiring diagrams are usually pasted inside of the blower panel, your electric heater ... | |
| pressures | 7/2/2010 |
| Q: I have a 5 ton rooftop unit with the low side pressure at 150 and the high side at 170 and not ... A: Mike, Doubt your piston is plugged as no or very little refrigerant would get back to the ... | |
| Trane XR11 Compressor stopping | 7/1/2010 |
| Q: I have a 5-6 yr old Trane XR11. When I turn it on the outside fan blows and the inside blower works ... A: Jeremy, You would need a amp probe and clamp it on one of the wires going to the compressor to see ... | |
| air handler amp draw | 6/30/2010 |
| Q: My question is in regard to my heat pump system. My indoor air handler is a Bryant 517EN030. The ... A: Giles, A 10 KW heater @230 volt draws aprox. 40 amps when all the 10 KW is in service.you possibly ... | |
| fan motor hums | 6/30/2010 |
| Q: Joeseph, Below is the situation I have been talking to John about. I tried switching the thermostat ... A: Tim, If your 100% sure the noise is the outdoor fan motor, try replacing the fan capacitor ( ... | |
| heat pump | 6/29/2010 |
| Q: I need to replace an old heat pump, do I have to tear out & replace my copper lines or can they be ... A: Christan, If you can replace the lines ( not going threw a wall ) then replace. If you can't, there ... | |
| air conditioner | 6/29/2010 |
| Q: I was given a 13 seer goodman model air conditioning split unit 4 years old. When the unit was ... A: Bob, The drier should be on the 3/8 " copper liquid line possible blue or gray in color, you don't ... | |
| ducted split unit 2 compressors, 2 outdoor, 2 indoor units | 6/28/2010 |
| Q: I live in an appartment building and I receive cooking fumes and, worse, cigarette fumes straight ... A: Jacky, Possible your return duct is not sealed and your bringing in surronding air mixing with your ... | |
| Trane XR11 Compressor stopping | 6/27/2010 |
| Q: I have a 5-6 yr old Trane XR11. When I turn it on the outside fan blows and the inside blower works ... A: Jeremy, Are you sure the compressor is coming on/off or is the compressor locked up and trying to ... | |
| drip pans for central ac | 6/27/2010 |
| Q: I have central ac, and the drip pan in the attic does not have a drain hose, but it has a float ... A: Victor, As long as the switch works there is not a problem, also verify pan is level both ways.You ... | |
| air conditioner | 6/27/2010 |
| Q: I was given a 13 seer goodman model air conditioning split unit 4 years old. When the unit was ... A: Bob, Unit should be OK ( that is my opinion )change the drier that is brazed into the condensing ... | |
| My AC | 6/27/2010 |
| Q: My AC is on the flat roof of my townhouse. I bought the townhouse new from the builder. The AC has ... A: Gwen, If your complaint is not enough air flow ,( and before he changed the motor it was OK ) it ... | |
| air handler amp draw | 6/27/2010 |
| Q: My question is in regard to my heat pump system. My indoor air handler is a Bryant 517EN030. The ... A: Giles, Sequencers are also found on electric heaters, you did not mention if you have electric heat ... | |
| air conditioner | 6/26/2010 |
| Q: I was given a 13 seer goodman model air conditioning split unit 4 years old. When the unit was ... A: Bob, If you have an existing same size air handler or .5 ton larger already, you can try replacing ... | |
| central AC | 6/25/2010 |
| Q: Comfortmaker N4A342AKA200 using 12 amps @ 243 VAC (just for the condensor)with R410A. Wet pipe ... A: Charles, If the temperature still stays at 83 then system is not working well ,you should have ... | |
| central AC | 6/24/2010 |
| Q: Comfortmaker N4A342AKA200 using 12 amps @ 243 VAC (just for the condensor)with R410A. Wet pipe ... A: Charles, You can go to comfortmaker.com home page under " choosing a system " bottom of homepage ... | |
| Central air conditioner | 6/23/2010 |
| Q: I live in 1200 sq ft mobile home and I recently replaced a 10 seer 2.5 ton central air unit with a ... A: Robert, I don't know what you mean 45 , degree??, PSI???? If it's PSI and you have R22 refrigerant ... | |
| Central air conditioner | 6/23/2010 |
| Q: I live in 1200 sq ft mobile home and I recently replaced a 10 seer 2.5 ton central air unit with a ... A: Robert, If this is a split system ,did you replace the indoor unit also with a matching outdoor ... | |
| HVAC cool will not turn off automatically blower and compressor keep going | 6/22/2010 |
| Q: I have a TRANE Compressor XE1000 (model no. TWR048D100A1) and XE90 Control unit. Initial problem was ... A: Joe, Doubt it's your stat as the exact thing is happening, you can bypass the stat by jumpering R ... | |
| Pairing Air Handler with Heat Pump | 6/21/2010 |
| Q: I'm confused and get more confused when I talk to the contractors I'm considering for a new heat ... A: Richard, Here is the web site that should answer all your matching questions www.ahrinet.org 1. ... | |
| lennox 13hpd condenser fan not running | 6/20/2010 |
| Q: I have a 3year old unit, everything turns on except the cooling fan above the condenser. After ... A: Will, The noise you hear is the compressor internal pressure relief, you don't want to run your ... | |
| Central Air | 6/19/2010 |
| Q: I have a Comfortmaker system and I have had it running on and off according to the outside temp. I ... A: Kim, Does this sound only happen when outdoor unit stops or while outdoor unit is running,possible ... | |
| McQuay air condition | 6/18/2010 |
| Q: my client have the above ac/split unit. he doesnt recall pressing any button but whenever u switch ... A: abdulrasul, I am not firmilar with that brand unit,One manufacture blinking lights are ... | |
| heat pump on/off on short cycle | 6/17/2010 |
| Q: Joseph, Jim, Thanks for taking the time to help. Trane XL15i heat pump split system that is about 1 ... A: Ron, There are different types of variable speed air handlers from your descriptions ( soft start, ... | |
| heat pump on/off on short cycle | 6/17/2010 |
| Q: Joseph, Jim, Thanks for taking the time to help. Trane XL15i heat pump split system that is about 1 ... A: Ron, Possibly your unit is oversized for your residence you do not state the sq. ft to tonnage of ... | |
| Noisy thermostat | 6/16/2010 |
| Q: Every time my thermostat calls for A/C, it makes a loud click. Does the same when it shuts the unit ... A: Jim, Instead of a soft start capacitor, a hard start would be better, a Trane OEM for that ... | |
| Whirlpool package heat pump | 6/16/2010 |
| Q: 3 ton whirlpool package heat pump will not cool. Suction pressure 20 psi high pressure 200 psi. Will ... A: Dale, You should not have any problems with putting in refrigerant into the suction line with only ... | |
| Noisy thermostat | 6/15/2010 |
| Q: Every time my thermostat calls for A/C, it makes a loud click. Does the same when it shuts the unit ... A: Jim, It's not an unusual sound, it's the cooling relay inside the stat closing and opening.I have ... | |
| compressor | 6/14/2010 |
| Q: Could you please tell me, Is there any way an average person who knows nothing about acs can tell if ... A: Amy, The loud noise you heard may have been from the outdoor fan blade rubbing against something or ... | |
| outside unit stopped | 6/13/2010 |
| Q: Our upstairs split system. Outside unit not running? Breaker seems ok. Inside unit blowin air A: Byron, Verify you have 220 volts ac at the compressor contactor ( remove outdoor unit electrical ... | |
| compressor/condensor | 6/12/2010 |
| Q: Is it possible to determine the capacity of the compressor/condenser in a split system by the model ... A: Lawrence, All the manufacture I'm aware of put the capacity in the model number,( on newer units ) ... | |
| Connect GE Switch rot to window AC | 6/11/2010 |
| Q: I have an 11 year old window Air Conditioner. It has 18,000 BTU. I am trying to connect a GE switch ... A: Julia, IF it says to use the capacitor common terminal and a common wire ( one of your hot legs ... | |
| Connect GE Switch rot to window AC | 6/11/2010 |
| Q: I have an 11 year old window Air Conditioner. It has 18,000 BTU. I am trying to connect a GE switch ... A: Julia, I'm sorry I would not be able to help you , I don't know what " GE switch rot " means for ... | |
| relays | 6/10/2010 |
| Q: We have a Bryant oil furnace that's maybe 10-15 years old. I am in the middle of installing a ... A: Ken, It would be difficult to lay out a system via Internet ,certainly it would be doable You have ... | |
| capacitor replaced | 6/8/2010 |
| Q: I recently had a yearly check on my Lennox HP-26 heat pump. They replaced a small amount of ... A: Brenda, The refrigerant does not help cool the capacitor , it helps cool the electric motor ... | |
| GE Profile cooling is diminishing | 6/5/2010 |
| Q: I have a GE Stainless Steel side by side, model PSC25 MSTA SS that is three years old. The temp is ... A: Steve, Depending on where the condensor coil is located, if yours has a fan type that draws air ... | |
| Fan motor or capacitor | 6/3/2010 |
| Q: I appreciate your input. My fan (outside cooling ) has stopped working on a carrier 02 system. ... A: Rg, Capacitors are cheap under $20.00 you can buy one at grainger.com needing only an account with ... | |
| HVAC | 6/2/2010 |
| Q: "I have an evaporator leak from my bryant system. to me it appears to be just condensation, or so I ... A: Joe, Secondary pan or called an auxiliary drain pan, normally should not have water leaking into ... | |
| Air conditioning unit | 6/1/2010 |
| Q: I have an 11 year old 4 ton ac unit. It had a "short" and it blew the compressor. I was able to ... A: Michael, When you charge with nitrogen, make sure they remove the gauges,and put schrader caps back ... | |
| Air conditioning unit | 6/1/2010 |
| Q: I have an 11 year old 4 ton ac unit. It had a "short" and it blew the compressor. I was able to ... A: Michael, If the original compressor is grounded ( shorted ) they should have done an oil sample to ... | |
| Central Air Conditioning, best recommendation | 5/31/2010 |
| Q: we just bought a new 1900 sqft home in Toronto, Canada. We have forced central air heating and now ... A: Daina, Living in Canada, I would think you have a relatively short cooling season , To me I would ... | |
| Lennox Pulse furnace G14 series | 5/29/2010 |
| Q: We have a Lennox Pulse G14 series propane heating unit with a HS20 series condensing unit that was ... A: Debbie, I don't know exactly what your 20 year old Lennox is rated at, from my experience they were ... | |
| Heating/AC for small house | 5/28/2010 |
| Q: My daughter may buy a small townhouse approx. 1100 sq.ft on two floors. We know the furnace will ... A: Philip, What type of heat do you have , baseboard radiation or a warm air furnace ? if warm air ... | |
| xe900 cond. fan won't run | 5/27/2010 |
| Q: the cond. fan will not run.[xe900 outside unit]new fan motor hooked up exacty like the old one was.i ... A: Kevin, If you hooked up the motor already couple wires go to the capacitor ( silver metal with ... | |
| low volt wire | 5/27/2010 |
| Q: what is the 2 wire going to condenser? and how do they connect at air handler and stat..a/c and ... A: Mike, Normally the two low voltage wires go to the compressor contactor coil one wire hooks up to ... | |
| xe900 cond. fan won't run | 5/26/2010 |
| Q: the cond. fan will not run.[xe900 outside unit]new fan motor hooked up exacty like the old one was.i ... A: Kevin, You would need a voltage tester, if it's an OEM motor and new capacitor and not running ... | |
| Condener Unit Amperages | 5/25/2010 |
| Q: I have a Condenser unit going to be install that has a minimum circuit ampacity of 87amp per NEC and ... A: AJ, The 100 amps falls within the minimum and maximum ,so i don't see a problem. If this unit is a ... | |
| Central Air not working | 5/24/2010 |
| Q: I have a 6 0r 7 year old Heil AC unit. When I set my thermostat to COOL the unit outside will ... A: Phil, If contactor pulled in chances are your charge is OK as the low pressure control would ... | |
| Central Air not working | 5/24/2010 |
| Q: I have a 6 0r 7 year old Heil AC unit. When I set my thermostat to COOL the unit outside will ... A: Phil, Compressor contractor ,not contractor it's located inside of the electrical panel of the ... | |
| Central Air not working | 5/24/2010 |
| Q: I have a 6 0r 7 year old Heil AC unit. When I set my thermostat to COOL the unit outside will ... A: Phil, If the outdoor unit clicked ,that is probably the compressor contactor pulling in, ... | |
| Heil heat pump doesn't cycle up | 5/22/2010 |
| Q: I have a Heil heat pump and when put on cool it clicks and then the indoor fan starts running but it ... A: Riley, Many things can be causing the compressor to cycle off,while blower continues to run,Unit ... | |
| Cutout Temps | 5/20/2010 |
| Q: I live in central Ohio in a 2100 sf home. I just installed a 3.5 ton Goodman heat pump %26 air ... A: Ted, You can flip the breaker ( actually it looks like a breaker but it's actually a switch ) your ... | |
| gaffers and stattler furnace | 5/19/2010 |
| Q: I am trying to locate a blower fan replacement switch for this furnace. The only thing i can find on ... A: Frank, You don't have to get the original OEM part if you are describing a standard fan relay. ... | |
| Cutout Temps | 5/18/2010 |
| Q: I live in central Ohio in a 2100 sf home. I just installed a 3.5 ton Goodman heat pump %26 air ... A: Ted, Personally even with the 5 minute time delay ,using the TXV the pressures may not equalize. ... | |
| hvac | 5/18/2010 |
| Q: I am a consumer in need of some support. I am in the process of buying a luxaire furnace and a ... A: Landon, Try going to AHRInet.org that is the website to document match units for certification ... | |
| indoor blower not working in AC | 5/16/2010 |
| Q: I have an 11 year old system, came with house, made by BDP of Tyler, TX. It is ac with gas heat. My ... A: Larry, You would need a volt meter and check to see if you have 24 volt ac at the fan relay coil, ... | |
| Repair or Replace 14 Year Old Trane AC Unit | 5/14/2010 |
| Q: I live in Atlanta and have 14 year old 3.5 ton Trane Heating and AC unit with a leaky coil on the ... A: Andy, For the price the $2835.00 system looks great. Hopefully that would include a new line ... | |
| Tapping in wall when heat turns on | 5/14/2010 |
| Q: A tapping sound has developed in one of our walls when our forced hot air gas furnace kicks on. ... A: Barnette, What happens when you run the blower fan and no heat, same sound? If it only does it ... | |
| Furnace | 5/13/2010 |
| Q: Turn on the Ac to 75 and the compressor turns on but the furnace never kicks in. When i put the ... A: Thomas, If system is a few years old doubt it would be under warranty ( parts are if under 5 years ... | |
| Best Heat Pump | 5/12/2010 |
| Q: I live in northern part of Florida and I'm interested in replacing my 18 yr old heat pump system ... A: Ron, I can't think of a best all around Heat Pump Brand considering reliability,initial cost,ease ... | |
| ac- keeps blowing after turned off | 5/11/2010 |
| Q: Our A/C unit is working but keeps running once the room cools to the desired temperature or even ... A: Jason, If you have a split system unit, remove the G wire from the t-stat at the indoor unit ,that ... | |
| ac- keeps blowing after turned off | 5/11/2010 |
| Q: Our A/C unit is working but keeps running once the room cools to the desired temperature or even ... A: Jason, What keeps running the entire a/c unit or just the blower fan.Personally it may be your ... | |
| High/Low Pressure Swith | 5/10/2010 |
| Q: I'd appreciate your suggestion on what to do with high(or low not sure) pressure switch. The 24V ... A: Romeo, If you have a built in 5 min. delay it would be either in the thermostat , defrost board or ... | |
| High/Low Pressure Swith | 5/9/2010 |
| Q: I'd appreciate your suggestion on what to do with high(or low not sure) pressure switch. The 24V ... A: Romeo, Most pressure switches on residential units are either or. They do make combo Hi/lo pressure ... | |
| pilot light goes out | 5/9/2010 |
| Q: My "Coleman evcon presidential standing pilot model 7900 series" pilot light went out this past ... A: Steve, Verify you have a strong pilot flame and it's engulfed on the top part of the flame sensor, ... | |
| High/Low Pressure Swith | 5/8/2010 |
| Q: I'd appreciate your suggestion on what to do with high(or low not sure) pressure switch. The 24V ... A: romeo, Usually high and low pressure controls are mounted on the 3/8" liquid line on Heat pump ... | |
| Gas furnace | 5/7/2010 |
| Q: Our 30 yr old, 105K BTU, Heil gas furnace was recently tagged as a fire hazard by the gas co, so we ... A: Sue, A field installed low pressure switch is a safty device to prevent the compressor from running ... | |
| Gas furnace | 5/6/2010 |
| Q: Our 30 yr old, 105K BTU, Heil gas furnace was recently tagged as a fire hazard by the gas co, so we ... A: Sue, Put in a Goodman condensing gas furnace at 95 % get your federal tax credit ( there is no ... | |
| New Split System Install Start-up Log | 5/6/2010 |
| Q: Can you provide a list of tasks that should be done and documented on a new installed split system ... A: David, If you plan on buying and installing yourself double check that the manufacture brand will ... | |
| Wall oven - do the even have fuses? | 5/5/2010 |
| Q: I'm trying to troubleshoot an old wall oven. GE I believe. I've removed the back - terminals show ... A: Ted, It would be difficult to troubleshoot without a wiring diagram and if you do not have a ... | |
| Main breaker for Split unit trips | 5/4/2010 |
| Q: This 30 000BTU LG split unit trips. 1. Is a 20A breaker adequately sized for this unit.I have ... A: Itayi, Check the outdoor unit ,electrical data plate ,it will tell you the maximum overcurrect ... | |
| Dual Capacitor and Kickstart quote | 5/3/2010 |
| Q: I have to replace 40/7.5 dual capacitor and kickstart on my Trane residential unit. Had service tech ... A: MPutt, You can buy the dual capacitor on line from a web based HVAC company or from grainger.com a ... | |
| Luxaire heat pump system | 5/2/2010 |
| Q: My heat pump system is approximately 18 years old and is no longer working at all. I've had a ... A: Tracy, Your model number of your old unit looks to be a 2 ton 024 is the key, his unit is a 1.5 ... | |
| evaporator coil and capacitor replacement cost | 5/1/2010 |
| Q: I live in northern VA and have a 9 year old Lennox HP26-036 heat pump system, model CB31MV-41-1P ... A: Tom, Replacing a evaporator coil is pretty straight forward if it's an exact match fit, if it sits ... | |
| LG mini split | 4/30/2010 |
| Q: I need a control board for an LG mini split Model# LSU092HE. Most of the websites I have looked at ... A: Andrew, You probably would have to contact a LG rep. in your area, even then they may not sell to ... | |
| size of heater | 4/29/2010 |
| Q: I am replacing the original builder's heater in my home with a high proficiency model. Its size is ... A: Bill, your old unit is 75,000 BTU input .who knows what is the output, if it's say, a 76-80 % ... | |
| Armstrong #AMC 1AVC sensor | 4/29/2010 |
| Q: Are these sensors available A: Patrick, Your probably better off going to a web based HVAC parts company with the model/serial ... | |
| Cracked coil | 4/27/2010 |
| Q: What are the ways to check and diagnose a specific crack in an ac coil? An ac company recently ... A: Lisa, If the refrigerant leaks out in a couple hours ,it should not be to difficult to find.Use ... | |
| Heat Pump System | 4/26/2010 |
| Q: I am working on a weather king R-22 heat pump split system not cooling. Condenser is on roof. I ... A: Raul, You can try adding a small amount of refrigerant to see if the suction and heat pressure ... | |
| Trane Earthwise Hybrid system vs. Goodman 95% AFUE | 4/25/2010 |
| Q: I’m getting quotes for the replacement of my 1986 Kenmore HVAC unit. I live in a colonial home ... A: Yvette, Starting with your last remark, Air like water takes the path of least resistance,meaning ... | |
| Trane Earthwise Hybrid system vs. Goodman 95% AFUE | 4/25/2010 |
| Q: I’m getting quotes for the replacement of my 1986 Kenmore HVAC unit. I live in a colonial home ... A: Yvette, The concentric kit is an optional packaged, not mandatory, you just have one larger hole ... | |
| oil burner | 4/23/2010 |
| Q: I have 2 year old System 2000 oil boiler. I have a soot problem. The first call was for no heat, ... A: Mark, I never installed or serviced your type of system. I am not familiar with it's operation. ... | |
| central air warranty | 4/22/2010 |
| Q: I am getting estimates to get my 4 ton unit replaced - out of the 7 quotes, 4 of them claim my ... A: Jim, I don't understand your first question , Trane along with most other brands give a 10 year ... | |
| humidistat function | 4/22/2010 |
| Q: If the indoor humidity is 74,the indoor temperature is 76 and I set my humidistat at 60 and my ... A: Don, Humidistat are usually wired to energise the humidifier ( to add mosture )and possible the ... | |
| central air intake | 4/20/2010 |
| Q: I am getting estimates to get my 4 ton unit replaced - out of the 7 quotes, 4 of them claim my ... A: Jim, The below article is from Hart & Cooley a major manufacture of registers/grilles among other ... | |
| A/C | 4/17/2010 |
| Q: A/C FAN SHUTS OFF WHEN IT GETS HOT BEFORE THE THERMOSTAT HITS THE DESIRED TEMP THEN IT COMES BACK ON ... A: Bill, What fan would you be talking about, indoor blower or condenser ? either or sounds like it's ... | |
| condenser fan motor burnt windings | 4/16/2010 |
| Q: I have a Tempstar TCH242AKC1 3.5 ton smartcomfort 2200 heat pump that is 6 years old. 14 months ago ... A: Mike, I personally never seen a 3100 RPM motor used for on a outdoor unit. either 850 or 1250 RPM ( ... | |
| condenser fan motor burnt windings | 4/16/2010 |
| Q: I have a Tempstar TCH242AKC1 3.5 ton smartcomfort 2200 heat pump that is 6 years old. 14 months ago ... A: Mike, Found the below from some literature on line about the SmartComfort 2200 series Tempstar. ... | |
| condenser fan motor burnt windings | 4/16/2010 |
| Q: I have a Tempstar TCH242AKC1 3.5 ton smartcomfort 2200 heat pump that is 6 years old. 14 months ago ... A: Mike, First I would find out if Tempstar had problems with this model ,called a "technical ... | |
| Air Handler & Air Conditioner Do Not Match | 4/16/2010 |
| Q: I just purchased a home and noticed that the air handler located in the garage and the air ... A: Shawn, Your too large on the indoor unit, usually they are the same tonnage or the indoor unit is ... | |
| Compressor will not start. | 4/14/2010 |
| Q: The unit is an Ameristar Heat Pump #2A6B0 about 5 years old. The compressor will not start, however ... A: Bob, You would need to determine if it's the 24 volt low side or the high voltage side ( 220 volt ... | |
| Broken Condenser | 4/10/2010 |
| Q: I have an 8 year old Rheem 10 Seer split system heat pump Model# RPKA-025JAZ and have been told by ... A: Jordan, First you should find out if the compressor has a 5 or 10 year warranty. I would call a ... | |
| suction head pressure | 4/9/2010 |
| Q: spilt system heat pump. suction pressure 52.headpressure 120.outside temp. 60. this is in ac mode.is ... A: Shooter, Your head pressure is low , adding 30 degree to OD temp. converting to pressure gives ... | |
| Tempstar Furnance | 4/7/2010 |
| Q: my unit was installed in 1998. model # EXA9524S2AU24YX SERIAL # L9631 43545 95% efficient What is ... A: Duane, I am not 100 % sure but the 95 in the model number to me would indicate a 95,000 BTU/Hr ... | |
| Central HVAC | 4/6/2010 |
| Q: I have a Rheem 2.5 ton central AC installed in 2001. When the thermostat calls for the AC to turn ... A: John, Sounds like your compressor run capacitor is bad or your compressor is locked up. Visually ... | |
| HVAC not cooling the house | 4/6/2010 |
| Q: today we had to cut on the air conditioner because of the warm weather. My heating has been fine ... A: Brandi, Home Inspectors generally see if unit starts and cools , then signs off.Possible your power ... | |
| Janitrol Package Unit | 4/5/2010 |
| Q: Good morning Joseph. We have a Janitrol Package Unit Heat Pump which is 10 years old. In March the ... A: Deanna, Hopefully you bought a new matching run capacitor for your new motor, Guessing the old ... | |
| Rheem Evaporator Coil Leaking | 4/3/2010 |
| Q: We have a RUUD A/C with a Rheem RCTH A036 evaporator coil that's supposedly leaking freon. This A/C ... A: Zora, Lesson learned,you should have asked the first Tech,how much a lb.for the refrigerant they ... | |
| air conditioning | 4/2/2010 |
| Q: I have a rite temp thermostat and have checked the wiring and it seems correct when I turn on air ... A: Robert, Had to reread your question couple times , It would be more easy to answer your question if ... | |
| icing over | 4/1/2010 |
| Q: i got a mobile home 4 months ago. it has a split unit .i got my central air unit brazed an got a ... A: Ryan, Icing of the insulated suction lines indicates Dirty ,plugged air filter, not enough air ... | |
| Need a New A/C Unit. Which to buy? | 4/1/2010 |
| Q: I am in Atlanta, GA. My 1978!!! (York) furnace started leaking water last September. (Running ... A: Katie, Any of the brands you mentioned will work fine as long as it's installed correctly and ... | |
| Follow up on high speed blower question | 3/31/2010 |
| Q: Earlier I asked about why my variable speed blower motor had to run at high speed while heat pump ... A: John, There are all different types of systems out there , one manufacture does it one way another ... | |
| high blower speed only with heat pump | 3/29/2010 |
| Q: I have duel fuel system including a Carrier Infinity furnace with variable speed blower,a Carrier ... A: John, I haven't put in a lot a hybrid variable speeds systems,( Carriers old name for the hybrid ... | |
| household cooling system | 3/27/2010 |
| Q: I have a roof mounted swamp cooler that needs servicing every season (change pads, etc.) and am ... A: Annette, You would have to get several Quotes and see what they say about your existing ductwork, ... | |
| Relation between Heat/Cooling load and Heat loss/Gain | 3/26/2010 |
| Q: Sir, While reading HVAC books i've come across the term heat loss and heat gain; I got confused ... A: Yo Ibrahim, Long time no hear, 1. Heat loss = amount of heat that leaves the residence ( heating ... | |
| Thank you and determining return size | 3/25/2010 |
| Q: Joseph, Thank you for your timely response to my question regarding brand choice. In my upstairs ... A: Jenn, Being a Contractor with over 35 years experience .I know what works for me, I don't ... | |
| thermostat | 3/25/2010 |
| Q: no power to ac side heater fine touch the wires ac turns on replaced thermostat checked fuse and ... A: Brett, I don't understand your question " no power to ac side heater fine touch the wires ac turns ... | |
| Thank you and determining return size | 3/24/2010 |
| Q: Joseph, Thank you for your timely response to my question regarding brand choice. In my upstairs ... A: Jenn, Found this from a HVAC Trade Publication, Hart & Cooly are a major supply/return grille ... | |
| Dukane | 3/23/2010 |
| Q: i am trying to find the age of a Dukane Unit. Mod MPGA075B3B SN-20551002 A: Patty, I am not sure , The age is somewhere in the serial Number, you can try another expert or ... | |
| red light on board | 3/22/2010 |
| Q: The red light is blinking 5 times and i need to know what it's telling me is wrong with it? A: Robert, One manufacture 5 blinking lights is probably different from another manufacture. Many ... | |
| Problems with Thermostat install | 3/21/2010 |
| Q: I am writing you today to see if you could help me with an electrical problem I am having with ... A: Nate, You should have gottemn a less complicated stat. On your old stat you have the O terminal ... | |
| Which brand 2 purchase | 3/20/2010 |
| Q: Need new 1.5 ton heat pump according to 3 contractors. But they sell Carrier, Bryant, Payne and ... A: Jenn, Any one of those Brands will work,Goodman having the best warranty of the bunch ( limited ... | |
| heat pump indoor coil | 3/20/2010 |
| Q: I have a heat pump that would not stop running (inside) unless it was on emergency heat. The first ... A: Nene, First your unit is old ( 30 years indoor coil )so if the first tech took all the parts out ... | |
| Compare HV/AC Brands | 3/9/2010 |
| Q: Which is a better choice, Rheem or day and night if all specs are the same? A: Leslye, Rheem is the more expensive , ( more advertisement ),and ultimately cost is passed onto ... | |
| Hydronic baseboard heating system | 3/8/2010 |
| Q: I am looking at purchasing a 35yr old house in Wisconsin that uses a Hydronic baseboard heating ... A: Matt, If you have a steel boiler ( heat exchanger ) it's due for a change out , if you have a Cast ... | |
| Coleman EB20a | 3/7/2010 |
| Q: Fan works in on setting but not in auto (it may some for some amount of time--Intermitting to mainly ... A: Ralph, Anytime you trip a 50 or 200 amp. breaker you have a dead short, possibly one of your ... | |
| Carrier Heating not shutting off | 3/6/2010 |
| Q: I woke up this moring with my furnance running constantly, I lowered the thermostat it would not ... A: Ernie, try removing the W terminal at the t-stat or better yet at the furnace ( follow the t-stat ... | |
| Coleman EB20a | 3/6/2010 |
| Q: Fan works in on setting but not in auto (it may some for some amount of time--Intermitting to mainly ... A: Ralph, It's a 6.7 KW heater a 5 KW heaters draws aprox.20 amps @ 220 volt. If breaker trips after a ... | |
| 602anx036 package unit indoor motor running 24/7 | 3/6/2010 |
| Q: I have a 602bnx036000 package unit. The indoor blower motor is running 24/7. The tstat is on auto. ... A: Keith, Remove the G terminal at the t-stat , or better yet the G terminal at the outdoor unit ... | |
| Bends in Ref. pipes - Follow up Qn | 3/5/2010 |
| Q: Sir, for my query " What is the impact of Bends / Elbows (in refrigerant lines) on performance or ... A: Ibrahim, You may want to get a Mechanical Engineer who knows about the Air Conditioning design, ... | |
| Bryant heat pump defrost issue | 3/4/2010 |
| Q: We have a Bryant heat pump 661BJX030000AHAA which is frequently going into a rhythmic clanking ... A: Dale, You can disconnect the defrost sensor wire at the board.( Sensor located on a return copper ... | |
| Role of U-trap in Refrigerant (Suction) line | 3/3/2010 |
| Q: I'm engineering trainee in construction based MEP industry. I have come cross U trap introduced in ... A: Ibraham, Basically the same thing, for proper oil return to the compressor,if your planning on ... | |
| no heat and misrable | 3/3/2010 |
| Q: I have a train xe-90 that wont run... Ive got 4 flashing red leds and according to the panel it ... A: William, Probably located near the flame, or it senses the air going across the heat exchanger. ... | |
| Role of U-trap in Refrigerant (Suction) line | 3/2/2010 |
| Q: I'm engineering trainee in construction based MEP industry. I have come cross U trap introduced in ... A: Ibrahim, -------------------------------------------------------------------------------- the ... | |
| hvac | 3/1/2010 |
| Q: am am basically a qs now in an mep project.can u please explain to me how the hvac system works in a ... A: Naim, Same question asked by naazz couple days ago You answered this question on 02/28/10 ... | |
| Rudd Heat Pump Air Handler Banging Noise | 2/27/2010 |
| Q: I have a Rudd 2 ton heat pump SEER 13 running R22 installed June 2008. Original copper lines were ... A: Chip, Replacing a TXV should not be to difficult ,they usually pump the charge into the outdoor ... | |
| Rudd Heat Pump Air Handler Banging Noise | 2/26/2010 |
| Q: I have a Rudd 2 ton heat pump SEER 13 running R22 installed June 2008. Original copper lines were ... A: Chip, Just because you used the original copper lines does not mean they are the correct size for ... | |
| Insulation of Suction & liquid lines of Split units | 2/26/2010 |
| Q: I wanna a clarification regarding the above said subject; 1. Why is it necessary to insulate suction ... A: Mohammed, Ducted systems have the metering device at the indoor coil,only condensation would be ... | |
| heat issue | 2/26/2010 |
| Q: i whent to turn my heat on and all it does is blow cold air A: Peter, How about more information, Gas,( propane or natural ) oil, Heat Pump, All Electric, split ... | |
| Insulation of Suction & liquid lines of Split units | 2/25/2010 |
| Q: I wanna a clarification regarding the above said subject; 1. Why is it necessary to insulate suction ... A: Mohammed, Super heat is taken from the outlet of the indoor coil before any insulation and at the ... | |
| goodman phkj036-1f heat strip | 2/25/2010 |
| Q: i have a goodmans phkj/phk 036-1f packaged unit, it didnt come with a heat strip i went and bought ... A: Winston, Apparently your unit is an older model unit, using a different hook up. Each heater ... | |
| heatpump | 2/25/2010 |
| Q: what are use of the third valve at the heat pump condenser A: CHARLES300, Third valve??? Are you referring to the reversing valve that has four copper tubing ... | |
| Heat Pump | 2/23/2010 |
| Q: We have a Rheum unit. About one month ago we began to notice (inside the house) that the unit was ... A: Tommy, To correctly determine the amount needed ,you would have to reclaim what you have in the ... | |
| filter | 2/23/2010 |
| Q: have a cond. gas furnace/air, NUGM050efb1???. 13 years old, works fine.. uses 20x25x5 in. filter, ... A: Larry, You still may be leaking air around the filter media. You would have to research , you can ... | |
| Insulation of Suction & liquid lines of Split units | 2/23/2010 |
| Q: I wanna a clarification regarding the above said subject; 1. Why is it necessary to insulate suction ... A: Mohammed, Insulating suction lines prevent condensation from dripping of the line ,depending where ... | |
| Heat Pump | 2/22/2010 |
| Q: I live in Florida and the heat pump has not been starting some times this winter some times it does ... A: Joe, What fan is going off, the outdoor fan or the indoor blower, ( packaged unit ) What do you ... | |
| THERMOSAT | 2/21/2010 |
| Q: THE AIR CONDITIONER KICKS ON WHEN IT REACHES TEMP IT CUTS OFF WHEN HEAT KICKS ON AND REACHES ... A: Terry, How old is the unit? blower fan not turning off only in heat mode ?? What do you have ... | |
| Heat pump | 2/21/2010 |
| Q: We have a york system. We have had nothing but problems. First we have a 3.5 ton a/c and 5ton indoor ... A: Dave, First you have a mismatched system, unless ARHI stated to use a 5 ton indoor unit with a 3.5 ... | |
| Heat pump | 2/20/2010 |
| Q: We are in Florida and have a 10 year old heat pump, which worked great up until last week. I called ... A: Nancy, Still could be a compressor or the RV , your head pressures are low and your suction ... | |
| Heat pump noise reduction | 2/20/2010 |
| Q: We live in a new construction with a Carrier Heat Pump. The tech that came to the house said this ... A: Linda, Sometime the location of the units can produce a magnified sound, depending on surronding ... | |
| Heat pump | 2/19/2010 |
| Q: We are in Florida and have a 10 year old heat pump, which worked great up until last week. I called ... A: Nancy, Many things can cause your problems ,Heat Pump are a specialized units, the persons you had ... | |
| HVAC | 2/19/2010 |
| Q: Is 2 5 ton units too big for a 4600 square foot house? Will the house rot from condensation if units ... A: Kelli, Simple to figure what exactly you need, go to hvaccomputer.com and buy their residential ... | |
| electric heat | 2/19/2010 |
| Q: Im trying to troubleshoot an electric furnace with a 208v/230v heating element. Upon first ... A: Jason, Your limit switch opens on heat.your circuit breaker trips on amperage. To check the limit ... | |
| Train Heat Pump | 2/18/2010 |
| Q: I have a 4 year old Train heat pump that I feel has not functioned properly since it was installed. ... A: Raymond, Check for any air leaks in your return duct possibly bringing in cold air mixing in with ... | |
| Out door AC unit removal | 2/17/2010 |
| Q: I want to know how to safely disconnect and remove an out-door AC unit without damaging it or injury ... A: Jerry, The best way without injuring yourself would be to call a professional. Other than that ... | |
| heating issue | 2/17/2010 |
| Q: Can you tell me what is going on with my heater in my house? Ok first off i have a goodman central ... A: Jonathan, Probably a low voltage issue ( 24 volt ac side ) try removing the W terminal from the ... | |
| Vibrating Handler | 2/16/2010 |
| Q: I currently have a vertical Amana Unit. After the unit is on for a while, the line from the handler ... A: Darrell, If vibration stops ,you would need to reinforce the line set using rubber grommets, ,you ... | |
| No screen do to static electricity | 2/15/2010 |
| Q: I was in the process of turning down the thermostat----touched the control box and static ... A: Mark, Check to make sure you have 24 volt at the stat terminals , R to C or R to Y or R to W. with ... | |
| unique auxiliary heat issue | 2/14/2010 |
| Q: i have tried to find an answer to this question but can't. my electric billed doubled this past ... A: Jay, You have a low voltage wiring issue, 24 volt ac circuit side )not a good thing to have the ... | |
| Heat Pump issues | 2/12/2010 |
| Q: I have a six month old Rheem/Ruud packaged heat pump unit installed outdoors. The issues I'm having ... A: Calvin, The outdoor fan has nothing to do with the "moving to much air across the indoor coil" ... | |
| Heat Pump return vent | 2/12/2010 |
| Q: we have a 14 year old heat pump that was discovered to be full of black mold on part of the blower ... A: Lisa, Sizing return grilles is easy; just use the 1 sq.ft. per ton or 100 sq.in. per ton rule of ... | |
| Heat Pump issues | 2/11/2010 |
| Q: I have a six month old Rheem/Ruud packaged heat pump unit installed outdoors. The issues I'm having ... A: Calvin, As far as having to much refrigerant ,this is a packaged unit according to you and not a ... | |
| Heat Pump issues | 2/11/2010 |
| Q: I have a six month old Rheem/Ruud packaged heat pump unit installed outdoors. The issues I'm having ... A: Calvin, Most Heat Pumps use a defrost thermostat/sensor on one of the outdoor coil copper bend to ... | |
| Lennox heat exchanger icing up,fan does not come on | 2/10/2010 |
| Q: What would cause my 3.5 yr. old electric lennox model #13hpd-048-230-01 heat exchanger to ice ... A: Ted, Where talking Heat Pump here, " heat exchanger" is for heat. Several reasons yours looks to ... | |
| outside air condensor fan | 2/9/2010 |
| Q: Simple question - I have a RUUD central AC system. In the summer when colling the fan in the ... A: Dave, If the Ruud is a central Air and not a Heat Pump then the only time the outdoor fan comes on ... | |
| hvac noise causing room vibration | 2/9/2010 |
| Q: I am teaching in a classroom that seems to almost vibrate. I know the walls are thin, as I can hear ... A: Pam, You may ask them to call an outside Duct Balancing Company , they can tell you the Total CFM ... | |
| hvac noise causing room vibration | 2/9/2010 |
| Q: I am teaching in a classroom that seems to almost vibrate. I know the walls are thin, as I can hear ... A: Pam, What did the Facility Manager/ HVAC personal say? in regards to " is this because they can ... | |
| ac | 2/8/2010 |
| Q: I am trying to find out the seer rating on my outside unit wether it is 12 or 13 can you please tell ... A: Dennis, You would need to get the model and serial number from the outdoor unit and call/fax/e-mail ... | |
| Discharge pressue | 2/7/2010 |
| Q: I have a 1196 York Stellar Plus, model #E2FH030506A. It currently has a flashing code of 2 which ... A: Michele, What is this a Heat Pump ? If it is it could be spending to long in a defrost mode ... | |
| will it work | 2/7/2010 |
| Q: I am building a steel unconventional home myself, it is 30x40ft with a 2nd floor of 400 sq.ft loft. ... A: Sheree, Just doing a quick calculation total of 1600 sq.ft. a 3 ton would work ,but that is a rule ... | |
| A/C came on with the heater | 2/6/2010 |
| Q: We have an oil for heat and we were running that last night when my husband notice the AC unit in ... A: Shelley, Possibly the compressor contactor points welded shut and keeps the compressor section ... | |
| Heat pump | 2/5/2010 |
| Q: We are buying a house and the heat pump split system did not pass inspection. The system has lost ... A: Jeff, The unit should have a low pressure switch on the liquid line at the outdoor unit, so it ... | |
| Which brand of AC unit is best | 2/4/2010 |
| Q: I currently have a Lennox air conditioner that is about 25 plus years old. It is still running but I ... A: Christina, All manufactures buy their parts from 3rd party companies, from compressors, to fan ... | |
| ac/heatpump | 2/3/2010 |
| Q: Someone stole the outside unit from a vacant house I own. I get a two year old one for $300 but ... A: Clem, data plate model number will tell you the size on the outdoor unit 018 1.5 ton,024 is 2 ... | |
| Gas Air Conditioners | 2/3/2010 |
| Q: I live in Houston, with long, hot, humid summers. I'm researching if a gas air conditioner is an ... A: Don, I haven't personally worked on a gas A/C unit in years, Ammonia and water is the refrigerant ... | |
| Need to replace my heat pump | 2/2/2010 |
| Q: I live in the mid-Atlantic coast with four-season weather. I have basically an all electric home ... A: Ron, All Brands have the up to $1500.00 federal tax credit, ( until Dec. 2010 ) also your state ... | |
| Blower on HVAC unit | 2/2/2010 |
| Q: I have a carrier unit, exactly 20 years old. It is a self-contained that sit outside house, ... A: Charlie, What happens if you put the fan switch at the t-stat to ON from auto ,the blower should ... | |
| Need to replace my heat pump | 2/1/2010 |
| Q: I live in the mid-Atlantic coast with four-season weather. I have basically an all electric home ... A: Ron, You state you have natural gas already, so For me I would put in a condensing 95 % gas ... | |
| Rheem 1x2000 fan operation | 1/31/2010 |
| Q: My Rheem 1x2000 gas furnace is not kicking my fan motor on It cycles up too the point where my motor ... A: Mike, Doubt you can buy from Rheem as you are not in the trade. But if you google/yahoo Hvac Parts ... | |
| Low high pressure. | 1/31/2010 |
| Q: I have a 410 3 ton package unit installed. Lately I have the TXV valve replace an and the unit has ... A: Ben, reclaim total charge , replace high side drier , pull a good evacuation and weight in charge , ... | |
| Rheem 1x2000 fan operation | 1/31/2010 |
| Q: My Rheem 1x2000 gas furnace is not kicking my fan motor on It cycles up too the point where my motor ... A: Mike, IF it's the motor you can buy one from grainger.com and install yourself, also buy a ... | |
| Rheem 1x2000 fan operation | 1/31/2010 |
| Q: My Rheem 1x2000 gas furnace is not kicking my fan motor on It cycles up too the point where my motor ... A: Mike, blower motor ,your referring to ? vs ventor/inducer motor. If so what happens if you put the ... | |
| heat type | 1/29/2010 |
| Q: i have a Janitrol A30-15 inside unit is this a heat pump or conventional electric heat my outside ... A: Bill, Cpke series looks to be a Heat pump, look inside of outdoor unit should see a 4 way valve. ... | |
| trane xe 90 furnace | 1/28/2010 |
| Q: about a week a go my basement flooded and the fire deptment pumped it out. i was told to let my ... A: Mark, your water pump may be the condensate pump, minimal cost item, as far as your unit not ... | |
| safety of a broken hvac unit | 1/27/2010 |
| Q: I'm buying a new house its foreclosed and as is. Someone ripped the HVAC units (2 both outside) and ... A: Belinda, you should have outdoor disconnect switch on each of the units, What does ripped the HVAC ... | |
| Heating | 1/26/2010 |
| Q: I have a 3 year old gas forced air heating system. My house is divided into two "halves". The side ... A: Joshua, If you have extra long duct runs feeding the cold area or if the ducts run in a ... | |
| heat pump | 1/25/2010 |
| Q: I have to have my heat pump replaced. I received an estimate of $7350 for a Carrier Performance ... A: Julie, Paying that type of money you should be directing your question to the Company. Basically ... | |
| Reversing Valve | 1/25/2010 |
| Q: What method is used to check that the valve is shifting from one, cycle to the other. also what is ... A: Walter, Put a jumper wire at the outdoor unit from R at the thermostat wire to O valve should shift ... | |
| I had a tech come to tune my heat pump | 1/24/2010 |
| Q: I noticed him doing things and asked what he was doing, he said , checking the superheat and ... A: Patricia, Should use a clamp on temperature probe instead of infared pistol. Superheat, take ... | |
| New programmable thermostat | 1/23/2010 |
| Q: Joe, I have 2 questions about installing a new Honeywell RTH7500 7 day programmable thermostat ... A: Russ, Jump R to Rc as the manual states, Jumping Aux to E gives you emergency heat ,( provided ... | |
| Furnace kicks on and off | 1/22/2010 |
| Q: I have a Heil Natural Gas Furnace, model #NUGK075DG02. This unit is 20 years old but reliable. A ... A: Brian, If it's the board you can buy from web based companies Google/yahoo "Hvac Parts " many on ... | |
| Furnace kicks on and off | 1/22/2010 |
| Q: I have a Heil Natural Gas Furnace, model #NUGK075DG02. This unit is 20 years old but reliable. A ... A: Brian, what kicks on/off the main burners or the entire unit, blower motor and all, As far as the ... | |
| Heat Build Up In Furnace Room | 1/21/2010 |
| Q: A local builder has completed a new ranch style home, built on a slab, for us. The home has a gas ... A: Ed, chances are your supply duct around the outlet of the furnace is leaking slightly, especially if ... | |
| oil furnance troubleshooting | 1/21/2010 |
| Q: Have Snyder General Comfortmaker oil furnace No. DOHB085A016 (or DOH13085A016), installed in the ... A: Margaret, A Furnace mounted humidifier is only going to work as long as the blower fan is on, if ... | |
| Blower Motor | 1/15/2010 |
| Q: I have a FEHA-015HA-01 electric furnace by Nordyne. I need a replacement blower motor . So far have ... A: Charlies, try grainger.com a Nationwide Company that sells to homeowners , you may have to start ... | |
| Heat pump | 1/11/2010 |
| Q: We live in Southeast Texas and the temp here has been in the low 20"s lately and when we turn on the ... A: Quite possible the 2nd stage electric is not coming on due to broken elements, never hooked up or ... | |
| Heat Pump (all electric) | 1/6/2010 |
| Q: This is going to be a complicated question but I will try to be as brief as possible. I have a ... A: Gary, A pad is a pad ,if it's rated to hold the weight of the unit ,there would be no problem ,If ... | |
| heat pump not working | 1/5/2010 |
| Q: I have a GE wall unit a/c and heat model#az32ho9d3bm1. The large outer fan stopped working I ... A: Brian, look at the wiring diagram it should show ( probably a 24 volt ac board ) where your ... | |
| heat pump not working | 1/5/2010 |
| Q: I have a GE wall unit a/c and heat model#az32ho9d3bm1. The large outer fan stopped working I ... A: Brian, The only way I know without seeing the job would be to check to see if you have proper ... | |
| Furnace cycling too often! (follow-up) | 1/4/2010 |
| Q: Moved into my house two years ago, had to have the furnace/AC replaced shortly after I moved in. ... A: A, You can call the manufacture of the stat,usually there is a phone # or e-mail them. Ask them if ... | |
| tempstar | 1/4/2010 |
| Q: The unit has been knocking a middle breaker on it out side. I can put the breaker in and it seems ... A: Jody, Don't understand your question,If breakers trip immediately you have a direct short,( bad ... | |
| Installing emergency heat strips | 1/3/2010 |
| Q: Our home (& heat pump) is 8 years old, and upon inspection before we bought the home, we found that ... A: Sarah, 15 Degree OD temp. the heat pump will run almost continually, usually they need back up ... | |
| Goodman gas furnace noise | 1/3/2010 |
| Q: My furnace is approximately 8 yrs.old. When it is first turned on, before the fan blower motor kicks ... A: Gary, That motor would be the ventor or inducer or purge as they are called. Double check the ... | |
| Furnace cycling too often! | 1/3/2010 |
| Q: Moved into my house two years ago, had to have the furnace/AC replaced shortly after I moved in. ... A: Alonzo, Couple things ,your unit could be way oversized for your residence " heats house up ... | |
| central heat and air | 1/3/2010 |
| Q: we live in a trailer and our heat went out, we replaced the thermostat due to the lights not ... A: Josie, What type of heat do you have , Heat Pump, gas, all electric ? If your em. heat worked ... | |
| Installing emergency heat strips | 1/2/2010 |
| Q: Our home (& heat pump) is 8 years old, and upon inspection before we bought the home, we found that ... A: Sarah, To install heat strips yourself would not be to difficult, need to buy from your brand ... | |
| American Standard UE140 Air Flow problem | 1/2/2010 |
| Q: I have a UE140060H1 Gas Package forced air furnace. The vent blower was recently replaced, as the ... A: Brian, Indoor blower motor and squirrel cage was changed ?? or the ventor/purge motor?. How did ... | |
| Base Board heating | 1/1/2010 |
| Q: Joe I need to know how to correct My base board heating from hammering and banging I know that there ... A: Bill, Depending on the age of your unit,you may have individual high vents at each baseboard, ... | |
| one ac unit or two | 12/31/2009 |
| Q: we are building a new home that is about 2700 sq ft with a future bonus room that is about 700 sq ft ... A: Nicki, Either or, The 2.5 ton will be undersized for the future bonus room . Depending on how your ... | |
| air conditioning | 12/30/2009 |
| Q: how to regroup the wiring on the low voltage side. transformer be replaced but wiring are ... A: Gene, Where's the wiring diagram???? it will clearly tell you the hook up .R at the stat goes to R ... | |
| Move outside heat pump unit. | 12/29/2009 |
| Q: Would like move my heat pump to the others side off my due to nosie . what would it cost ? if i do ... A: Tony, try a insulated blanket covering the compressor depends if you have a scroll compressor ( ... | |
| Furnance | 12/29/2009 |
| Q: Where do i find the reset button on a lennox furnance? A: Pattie, What reset button would you be talking about? do you have oil? gas ? primary relay switch ? ... | |
| Heating | 12/28/2009 |
| Q: I have a one pipe 90% comfortmaker and when there is a call for heat I can here the induced draft ... A: D, What fan are you talking about the main blower fan or the purge/ventor motor.If the purge/ventor ... | |
| furnace vent extension to prevent snow from covering the vent | 12/28/2009 |
| Q: I live in a mobile home and during the recent snow storm, the snow buried the furnace vent which ... A: Richard, Do you have a condensing furnace using PVC pipe for the exhaust, if so you can add an ... | |
| gas boilers and propane usage | 12/28/2009 |
| Q: Is it possible to use 200 gallons of propane in 7 weeks? 700 sq ft apartment, old, windows arent ... A: Shasta, Unit could be undersized and rarely shutting down, Did he keep the original boiler and ... | |
| heat pump | 12/25/2009 |
| Q: I moved into a house a few years back with a heat pump, which I had never used before (I heat with ... A: Michelle, What fan are you referring to blower or outdoor unit fan,If it's the outdoor fan the heat ... | |
| Suntherm HVAC | 12/23/2009 |
| Q: I have a suntherm B41 HVAC unit. the problem I am having happens when I try to us the a/c or the ... A: Tom, If your not mechanically or electrically inclined i would just call for service.Never heard of ... | |
| Wiring diagram | 12/21/2009 |
| Q: I need a wiring diagram for a lennox G8-110C A: Jeremy, Same answer I give other persons looking for wiring diagram, if it's not on the back side ... | |
| filling oil heater that doesn't have autofill with water t | 12/19/2009 |
| Q: i have a very old Colombia oil heater, and i do not have a make model or year it is just very very ... A: Katt, Fill water slowly then stop and check radiators upstairs, your old unit should have a ... | |
| furnace problems | 12/18/2009 |
| Q: amana unit installed in 1990 model gse75dn4c Located in south Louisiana. At times the temp. will ... A: Buck, Your stat wire from the furnace to the stat needs to be 18 gauge copper.Do you have an ... | |
| Goodman propane furnace | 12/18/2009 |
| Q: My furnace will start up and the blower engages, but will only run for a minute before one of the 4 ... A: D, First off you did not tell me it was a roll out switch, but a limit, which certainly would have ... | |
| Coleman Wiring diagram | 12/18/2009 |
| Q: i have a coleman 80% draft induced Mod# 7995-856.Somebody robbed the blower motor when they lost the ... A: Fred, No wiring diagram pasted on a indoor panel?, most are that way. The blower motor is ... | |
| Goodman propane furnace | 12/17/2009 |
| Q: My furnace will start up and the blower engages, but will only run for a minute before one of the 4 ... A: D, Look at the wiring diagram ,what limit opens,"furnace starts up and the blower engages,but will ... | |
| Furnace Stopped Working | 12/17/2009 |
| Q: York HVAC unit, about 8 years old, located in attic. Several days ago the furnace stopped working, ... A: Jim, While your in the attic you can start the heat by jumping R terminal to W to G at the ... | |
| Heat Pump | 12/17/2009 |
| Q: The heat pump in back yard has ice coming out of it and the fan do not turn.....it comes on but the ... A: HP, What fan are you talking about ,the blower or outdoor ?, if it's the outdoor, either your ... | |
| Atlas Furnace Heater ? | 12/15/2009 |
| Q: Penninsula Heating diagnosed my Atlas heating furnace to have a cracked heating exchange. The ... A: Richie, Why don't you replace that inefficient antique. You are never going to find a replacement ... | |
| RUUD Condenser | 12/15/2009 |
| Q: My home was built in 1978 and it has a RUDD CONDENSER. The information plate on the front of the ... A: Ronald, Look at the compressor data plate slapped on top of the compressor . Go to the Internet ... | |
| 2003 rheem criterion II air pressure switch | 12/13/2009 |
| Q: Rheem model #RGPH-10EAMER SERIAL NUMBER: FU5D302F500308839.Year of manufacturing is 12/2003. Part ... A: Lee Ann, Look at the wiring diagram and find what looks to be a purple wire and a brown wire going ... | |
| Ducts become too hot to touch | 12/13/2009 |
| Q: When my furnace kicks on the ducts become too hot to touch, I've been in other homes where the ducts ... A: Doug, You did not say where the ducts are hot, right next to the furnace how about 15 ft. ... | |
| Low heat | 12/12/2009 |
| Q: I have a furnace that's about 5 years old it's a Olsen BCL 120S 79,000 TO 117,000 BTU and its oil i ... A: Bruce, You may need to install a larger nozzle and double check the spray angle , the instruction ... | |
| rudd gas pack | 12/11/2009 |
| Q: i have an old rudd m/n upcp12e47. have replaced the piolt relite,piolt will light,furnace lit 1 time ... A: Dave, Your pilot flame may not be strong enough or its not engulfing the thermocouple enough to ... | |
| Furnace Stopped Working | 12/11/2009 |
| Q: York HVAC unit, about 8 years old, located in attic. Several days ago the furnace stopped working, ... A: Jim, you can try wiring the fan relay in parallel with the gas valve so when the gas valve opens ... | |
| Furnace not working | 12/11/2009 |
| Q: I have a Janitrol GMP075 that has a heat pump that snitches to propane at a pre-selected ... A: Dave, There are many different meaning as far as blinking lights from brand to brand .To me the ... | |
| heat,a/c vents | 12/10/2009 |
| Q: i have the heater in the house on and it blows and heats just fine in the living room,kitchen and ... A: Luis, If you have balancing dampers on each of the branch lines. Do not adjust at the supply ... | |
| Thermostat wiring | 12/10/2009 |
| Q: I recently bought a home and changed the thermostat from a Honeywell T8411R to a RTH111/RTH221. ... A: David, Some models ( not all models )stats have a switch on the stat or subbase that you move from ... | |
| A/C Ducts | 12/9/2009 |
| Q: One of my a/c ducts leaked a puddle of water out today. First I went to the attic and found no ... A: Vince , During winter month, especially if you run a humidifier, the warm air travels inside of the ... | |
| gas heater falme goes out | 12/8/2009 |
| Q: i have weatherking 90 plus 10 years old the the gas just stop burning test all the limit switches ... A: Thomas, Probably normal wear and tear ,unit is 10 years old.Quite a bit of dust gets on the control ... | |
| TXV | 12/7/2009 |
| Q: I had a blower motor replaced on my Trane 2TWB3042A-1000-AA, and was then told that I still wouldn't ... A: Elizabeth, Looking at it from a Contractors view ( which I am ) you have to take into consideration ... | |
| Central Heat Trips Circuit Breaker | 12/7/2009 |
| Q: I just purchased my home about 2 months ago and attempted to start up the central heating system ... A: Gina, what exactly would you have , gas ,oil, Heat pump??????? all electric, a Boiler, a ... | |
| Mister 50 Humidifier on Carrier Furnace | 12/7/2009 |
| Q: I have a carrier gas furnace that has a Mister 50 humidifier that was installed several years ago. ... A: Alan, If you can hear the solenoid click chances are either the 1/4" water line or the internal ... | |
| Heat Pump | 12/6/2009 |
| Q: I have a Amana PTC Model 123B50AM heat pump that is mounted into the wall in a sleeve type ... A: Chris, At 20 degree outside temp. your not going to get much heat out of the unit,do you have ... | |
| Fan on compresor cutting out | 12/6/2009 |
| Q: Can you tell me is there a special wire that goes from the compressor (we have a heat pump electric) ... A: Susan, I still don't quite understand your question, The air handler fan works OK the outdoor fan ... | |
| Lennox induced draft motor fills with water | 12/6/2009 |
| Q: I have a Lennox G51MP gas furnace that is basically new. I bought a new house (foreclosure) and it ... A: Dave, Obstruction ,i would physically remove the ventor/inductor assembly from the unit and ... | |
| heat pump surge protector? | 12/6/2009 |
| Q: I have been advised to add 2 surge protectors to my split system heat pump...by someone who sells ... A: Kathy, Ask him why a surge protector only on your Heat Pump and not your refrigerator or ... | |
| Fan on compresor cutting out | 12/5/2009 |
| Q: Can you tell me is there a special wire that goes from the compressor (we have a heat pump electric) ... A: Susan, Chances are it's not wired correctly either the high voltage side of the fan section ( you ... | |
| heat pump unit | 12/5/2009 |
| Q: Currently I have a ruud achiever series heat pump unit installed in a mobile home. The ac runs fine ... A: Calvin, There should be a defrost sensor/thermostat attached to the outdoor coil copper bend ( if ... | |
| HVAC FOR NEW HOME SOON TO BE BUILT | 12/4/2009 |
| Q: I live in N.W. Arkansas and will soon build a a small home. We are on a very tight budget. Can you ... A: Mark, The brands that sell on web sites ( also to Contractors )Goodman, Ruud, Rheem do not ... | |
| HVAC FOR NEW HOME SOON TO BE BUILT | 12/3/2009 |
| Q: I live in N.W. Arkansas and will soon build a a small home. We are on a very tight budget. Can you ... A: Mark, Go to hvaccompters.com ,for $49.00 you can do a heat loss/heat gain calculation yourself ... | |
| heat pump issue | 12/2/2009 |
| Q: I recently had a Goodman GSH13 heat pump unit installed because the previous unit did not heat or ... A: Monica, All you got to do is connect the dots from the t-stat to the outdoor unit to the indoor ... | |
| Keeps shutting off | 12/1/2009 |
| Q: Good evening, I have a Gibson gas furnace, its only 2 years old. Since I have starting running it ... A: Brad, Lower area probably would be the secondary heat exchanger part, ( 90+ furnaces ) the p trap ... | |
| TXV | 11/30/2009 |
| Q: I had a blower motor replaced on my Trane 2TWB3042A-1000-AA, and was then told that I still wouldn't ... A: Elizabeth, TXV are very reliable been around for many many decades, Personally there are many level ... | |
| Heat Pump with loud whistling noise | 11/29/2009 |
| Q: We have a 3 1/2 to 4 year old Ducane Heat Pump. Model # HP12B24 Description: DUC HP10B42 Serial # ... A: Leah, Annoying whistle sound or restricted air flow in the duct work? would indicate a to small a ... | |
| Weil McLain EG boiler | 11/25/2009 |
| Q: Finally got my transformer. A 50 VA unit with circuit breaker Honeywell AT150F1022. Connected it ... A: Raj, Couple things your dealing with ac current meaning alternating current so it does not matter ... | |
| AC WHISTLING!!!! | 11/24/2009 |
| Q: Just changed my filter last week because it was whistling a little bit. Now, its whistling so loud i ... A: Heather, make sure all your supply and your return air grille is not blocked .make sure all your ... | |
| Forced Air furnace | 11/24/2009 |
| Q: I was told my forced air furnace needed a new electric starter. Now, after replacing the starter, ... A: Susan, I don't know what an electric starter is?? maybe a spark ignition that lights a pilot then ... | |
| No 24 volts | 11/23/2009 |
| Q: I replaced transformer thinking it was problem but still nothing. My readings are 123v @ orange and ... A: Nathan, What is your primary voltage at the transformer 120 or 220????.Looks to be 220V.Colors you ... | |
| Ruud Heat Pump | 11/22/2009 |
| Q: Ruud Model PCA-036/RCPB-A036 Compressor will not kick on. I removed the cover and found two wires ... A: Matt, push the compressor contactor in manually,(there may be an arc shiels that you have to ... | |
| 208/240 24 volt electric furnace transformer | 11/22/2009 |
| Q: Installed a new electric furnace! When I turn it on it smokes the transformer, Its hooked orange and ... A: Turner, new furnaces come prewired ,it's really a no brainer, just clip the electric heat part to ... | |
| Air conditioner pan | 11/22/2009 |
| Q: When I had my window air conditioner installed, the workers did not install it at an angle, ... A: Richard, A lot of window units use the water that sits in the pan to be thrown (droplets of water ) ... | |
| heating | 11/21/2009 |
| Q: I HAVE A 1993 RHEEM AC AND HEATING package UNIT I REPLACED THE FAN LIMIT switch BUT THE UNIT TURNS ... A: Carlos, The centrifugal switch should be open when nothing is running (heat off ) remove wires from ... | |
| heating | 11/20/2009 |
| Q: I HAVE A 1993 RHEEM AC AND HEATING package UNIT I REPLACED THE FAN LIMIT switch BUT THE UNIT TURNS ... A: Carlos, What motor are you talking about???????? I was referring to the ventor motor ( removes ... | |
| Weil McLain EG35 Boiler - transformer burning out | 11/20/2009 |
| Q: The boiler was not powering on and I suspected the transformer which was white-rodgers s84a-85 ... A: Raj, If your running only heat , you do not need Y and G at the t-stat hooked up. remove and tape ... | |
| heating | 11/20/2009 |
| Q: I HAVE A 1993 RHEEM AC AND HEATING package UNIT I REPLACED THE FAN LIMIT switch BUT THE UNIT TURNS ... A: Carlos, I would determine that the centrifugal switch is not stuck in the closed position first. ... | |
| Weil McLain EG35 Boiler - transformer burning out | 11/19/2009 |
| Q: The boiler was not powering on and I suspected the transformer which was white-rodgers s84a-85 ... A: Raj, Just disconnect the low voltage wires from the t-stat at the boiler leave the transformer ... | |
| Weil McLain EG35 Boiler - transformer burning out | 11/19/2009 |
| Q: The boiler was not powering on and I suspected the transformer which was white-rodgers s84a-85 ... A: Raj, A transformer is a transformer, if your boiler is 220 volt you may be hooking it up to a 208 ... | |
| Condensers & air handlers | 11/18/2009 |
| Q: we are replacing our central a/c systems and looking at Rheem condenser 14AJL series vs. 14AJM ... A: Roman, Basically if you want the $1500.00 tax credit you would need to go with the 14AJM as you ... | |
| Filter where abouts | 11/18/2009 |
| Q: I wanted to clean out the filter or replace it before I turn on my heater, but I cannot find it or ... A: Carlos, should be before your blower motor,return duct. maybe no one ever installed one??,Seen it ... | |
| Heat pump Pressures | 11/18/2009 |
| Q: How do you determine if the compressor valves are bad or the reversing valve is not switching 100% ... A: Hear is an answer I gave to two other persons with similar problems as you Questioner: John ... | |
| thermostat wiring problem | 11/17/2009 |
| Q: I have a 9520 Robertshaw thermostat with a York unit Model # E1RC030S06D. I also have a 2 stage ... A: Jordon, See , in the excitement you forgot to write everything down.....Remove access panel from ... | |
| eater | 11/16/2009 |
| Q: We have a Carrier Heat Pump outside that was turning on and off and would not stay on. I replaced ... A: Darin, The reason you still get heat from your registers is you probably have electric heat as the ... | |
| furnace gas valve keeps shutting itself off (PART 2) | 11/16/2009 |
| Q: If you recall my previous post on 11/9 asking you about the gas vale keeps turning it off. I was ... A: Jak, buy new one on line and be done with it many companies sell OEM parts. What does the wiring ... | |
| heating elements | 11/15/2009 |
| Q: my electric furnace (heat pump) elements wont work. i had a burnt wire running for the sequencer to ... A: Jeff, Could be either also it could be your heating element ( open winding ) would need to ohm out ... | |
| Oil Furnace | 11/14/2009 |
| Q: OUR OIL FURNACE IS BLOWING OUT COLD AIR, INSTEAD OF WARM. IT TURNS ON AND RUNS SEEMINGLY NORMAL, BUT ... A: Wendy, If your blower fan is on and the furnace is running ( there should be an inspection window ... | |
| A/C | 11/13/2009 |
| Q: I had a new 4 ton A/C installed in my 1400 sq. ft. shotgun style house. The installer put the ... A: Julie, Four tons seems large for a 1400 square ft. house, you can have the outdoor unit pretty much ... | |
| blower | 11/11/2009 |
| Q: Joe I have a split heatpump with heat strip every time I turn off the a/c or heat at the t'stat the ... A: Philip, To check for ground you need to set meter to ohm and pull all the motor wires off of any ... | |
| blower | 11/11/2009 |
| Q: Joe I have a split heatpump with heat strip every time I turn off the a/c or heat at the t'stat the ... A: Phillip, Usually pulling the wire off the sequencer stops the electric heat and blower.My first ... | |
| AC Unit.... what to do??? | 11/10/2009 |
| Q: I'm very confused about a problem with my outside AC Unit and would be really grateful to hear your ... A: Juliet, If the $300.00-$350.00 includes labor to install it, plus you get a one year warranty on ... | |
| AC compressor and furnace ton ratings | 11/9/2009 |
| Q: I'm in the process of replacing my 22-year old Lennox split system Central Air Conditioner with gas ... A: Harvey, If you have no rebate normally you would install the same size indoor coil to outdoor ... | |
| furnace gas valve keeps shutting itself off | 11/9/2009 |
| Q: I have read your post on a similar issue I have. Your post has the subject "furnace keeps goes on ... A: Jak, There are literally hundreds of models out there ,Pretty much all work a little different from ... | |
| AC compressor and furnace ton ratings | 11/8/2009 |
| Q: I'm in the process of replacing my 22-year old Lennox split system Central Air Conditioner with gas ... A: Harvey, The furnaces are rated to accommodate up to a certain tonnage coil.In order to qualify for ... | |
| ac and furnace blower | 11/7/2009 |
| Q: i have a nordyne heating furnace and the blower motor continue to run in off position or auto the ... A: Martha, you don't say how old unit is.One possibility is that the fan relay contacts point welded ... | |
| armstrong gaspack | 11/6/2009 |
| Q: I HAVE AN 80% package unit that when turned to heat combustion air motor comes on pressure switch ... A: Lisa, The only thing I can think of is possible your gas pressure is not correct. 3.5" for natural ... | |
| Heat Pump defrosting often | 11/5/2009 |
| Q: Joe, I have a two story 2300 sq ft home on a slab in central Indiana. Split Bryant heat pump ... A: Brett, Should not be initiating a defrost every 5 minutes, on the board of the outside unit The ... | |
| Honeywell Mini zone EMM 3 | 11/4/2009 |
| Q: Residential EMM3 mini zone issue - I have 3 zones, all work normally most of the time. Zone 2 will ... A: Don, Found this Question DEAR SIR I HAD NEW FURNACE WITH EMM-3.SOMETIME THE RED LIGHT FROM EMM-3 ... | |
| furnace gas valve keeps shutting itself off | 11/2/2009 |
| Q: I have read your post on a similar issue I have. Your post has the subject "furnace keeps goes on ... A: Jak, look at the wiring diagram ,usually attached to the inside of the blower door. usually ... | |
| furnace gas valve keeps shutting itself off | 11/2/2009 |
| Q: I have read your post on a similar issue I have. Your post has the subject "furnace keeps goes on ... A: Jak, you don't mention if the main gas valve relights again or if it shuts down and stays off ?? ... | |
| Heil gas furnace blows cold air continuously | 11/1/2009 |
| Q: I have a natural gas furnace made by Heil. The model number is NTC6075FBA1. The serial number is ... A: Alex, Pilot light on ,next sequence is the flame sensor senses the pilot light and opens the main ... | |
| Goodman AR32 | 10/30/2009 |
| Q: I have a Goodman AR32 that was installed 3 years ago. The Coil has failed. Leaks. The system had a 2 ... A: Stephen, Lets see you want to stuff a 2.5 ton coil inside a 2 ton air handler and match to a 3 ton ... | |
| GE Profile Water Dispenser/Cooler | 10/27/2009 |
| Q: I have recently purchased a GE Profile Water Dispense. The one with the three temperature options ... A: Jefferey, You would need to find the wiring diagram of the unit, may need to remove plastic outer ... | |
| AIR RETURN | 10/26/2009 |
| Q: I was wondering if it would be okay to add another cold air return to my heat pump system. ... A: Michelle, you could install another return ,keeping in mind a return duct is sized to the existing ... | |
| Line Set Length | 10/25/2009 |
| Q: Is it possible to add length to a line set using soft copper tubing or would I have to purchase an ... A: Mike , if the tubing is rated for AC/R duty and it's clean on the inside you can add to system.You ... | |
| Trane A/C leak | 10/25/2009 |
| Q: Our THE048C140F4 A/C sits on a plywood deck above an insulated plenum with 2 large return vent ... A: Jay, You didn't read my answer about the 1/2" round hole on older Trane units..More I think about ... | |
| Trane A/C leak | 10/24/2009 |
| Q: Our THE048C140F4 A/C sits on a plywood deck above an insulated plenum with 2 large return vent ... A: Jay, When was the last time you flushed out your drain line ,usually sediment fills the bottom of ... | |
| new gas furnace | 10/23/2009 |
| Q: I have to get a new gas (steam) furnace, the old one leaks.its about 20-25 years old. two ... A: Aron, I'm not aware that there is a steam furnace a steam boiler yes.One contractor says stick with ... | |
| low voltage wire | 10/22/2009 |
| Q: I need to twin two furnaces together with a single evap coil and cond. Would like to know the proper ... A: John, Low voltage is 24 volt ac, make sure evap. coil goes downstream of furnace heat exchangers ... | |
| restriction heat pump | 10/22/2009 |
| Q: Have a carrier 3 ton heatpump with a restriction. Can the indoor txv cause a vacuum and improper ... A: Mike, When unit is in heat mode RV valve is deenergized, so pulling the wire off of the solenoid ... | |
| inverter | 10/20/2009 |
| Q: I have a small print shop of 12,00m2; there is no heating in it. I bought an inverter air condition ... A: Mufid, Did you do a heat loss heat gain calculation on your building. To me it sounds like your ... | |
| Heating Unit will not heat properly | 10/19/2009 |
| Q: We had a 2 ton unit and then installed a new 3 ton unit. The air conditioner works GREAT but the ... A: Donna, You may have the blower fan set to high a speed ,the blower fan are multi speed such as low ... | |
| Central air conditioning troubleshoot | 10/17/2009 |
| Q: I have a 3 year old American Standard unit. I tried to turn it on last week and only the inside ... A: Cathy, Being only three years old and you having a service contract already, it's probably ... | |
| Central air conditioning troubleshoot | 10/16/2009 |
| Q: I have a 3 year old American Standard unit. I tried to turn it on last week and only the inside ... A: Cathy, two things ,it's either the low voltage circuit ( 24 volt ) or the high ( 220 volt ) You ... | |
| rite temp thermostat | 10/15/2009 |
| Q: We just replaced our honeywell with a rite temp thermostat to opearate the heat (gas). There were ... A: Sabrina, what happens if you rehook up your old stat ? Same thing? Also while unit is running remove ... | |
| central air heating | 10/14/2009 |
| Q: my central air thermostat has a digital readout screen , but as of now there is no readout and also ... A: E, Don't know what light your referring to,Fan runs but no heat ,probably a safety control tripped ... | |
| Furnace not lighting. | 10/12/2009 |
| Q: Our furnace is not lighting. We called a local oil company and the person on call said it sounded ... A: Vanessa, You also may need a good cleaning, should check the adjustment of the electrodes. It's ... | |
| Rudd gas furnace | 10/12/2009 |
| Q: is the gas burner supposed to stay lit as long as the t,stat is on or does it go on an off during a ... A: Doyle, Stays on as long as the stat is calling, if it is cycling off, chances are it's tripping on ... | |
| Nordyne Furnace | 10/11/2009 |
| Q: My Nordyne g6rc stopped working. When I pulled the cover off I noticed that there was a flashing led ... A: Rick, look at the wiring diagram (usually found on the back side of the blower door. Probably a ... | |
| Furnace not lighting. | 10/11/2009 |
| Q: Our furnace is not lighting. We called a local oil company and the person on call said it sounded ... A: Vanessa, no mention if your husband set the electrodes.There are specific distances apart ,in front ... | |
| a/c unit | 10/10/2009 |
| Q: I cleaned out the condenser outside the house and then proceeded to clean the evaporator inside the ... A: Jaime, You don't say how you cleaned it, using water and being very careful not to get any water ... | |
| furnace draft inducers | 10/9/2009 |
| Q: I have a rheem furance and the draft inducer on the unit has 2 cracks in it. What does this mean? Is ... A: Kathy, Without seeing the unit up close ,I would say they are stress hair line cracks due to age ... | |
| Honeywell TH8320U | 10/7/2009 |
| Q: John, I have a Westinghouse forced air furnace (secondary heat source) and a Westinghouse heat pump ... A: Joel, Don't know what to tell you about your delay in heating,except try calling Honeywell they ... | |
| Furnace won't complete start-up cycle | 10/7/2009 |
| Q: Have a Rheem gas furnace model # RDRA 12ERAJS. Furnace goes through start cycle but quits at the ... A: Charles, I was unable to find that model number listed , even doing a google search, ( RDRA ) ... | |
| Trane xe90 blower motor | 10/6/2009 |
| Q: I have a trane xe 90 that the blower motor does not come on unless you give it a spin, the led on ... A: David, I would buy a new cap.cost around $12.00-$20.00 to check a existing cap. without using a ... | |
| supplemental heat for reduced electricity cost | 10/3/2009 |
| Q: Joe, My house is an early 70's split level 3br with garage, total electric with ceiling heat. As you ... A: Mark, Yes electric is quite expensive,any of the three would work, LP would be less work as far as ... | |
| Lennox Gas/Electric Starter | 10/2/2009 |
| Q: Hey there Joe, Winter is coming, and it's getting pretty chilly around my neighborhood. I tried ... A: Andrew, Do you get the spark ignition. Look at your wiring diagram to see all the safeties you ... | |
| Residential versus manufactured AC | 10/1/2009 |
| Q: I own a double wide all electric manufactured home with overhead ducting. I would like to replace ... A: Tom, Central unit would need to be 16 Seer 13 EER, using ARI number to get the credit.Taking into ... | |
| Wiring connection from HVAC to Thermostat & Outdoor Unit | 9/30/2009 |
| Q: I replaced the blower wheel but didnt mark the wires. The wiring diagram is partly damaged and I ... A: KK, What blower wheel are you talking about ? Also what does replacing a blower wheel have to do ... | |
| Used heat exchanger | 9/29/2009 |
| Q: We have a 30 plus year old Rheem Package Unit (electric air and gas heat) that we are told has a ... A: Pat, Why not buy a new unit yourself, many web based companies sell new units google( HVAC Parts ... | |
| HeatPumpHumidity | 9/28/2009 |
| Q: Our ac, trane heat pump, was working great until a company came over to do a yearly maintenance. ... A: Lisa, Possible your unit is not reducing the humidity due to now having the correct charge and ... | |
| Car A/c - Honda Acura. | 9/27/2009 |
| Q: I really do not know who to meet on this. I have a car. This car was purchased as a fairly used. ... A: Mike, Sounds like it's a little low on charge, If your mechanically inclined ,you can buy a can ... | |
| switching to Infinity control | 9/26/2009 |
| Q: I am wanting to switch from the Honeywell TH8000 thermostat to the Carrier Infinity Controller. I ... A: Larry, I am not familiar with the TH8000 to Infinity controller hook up.There are literally ... | |
| poor heating in addition | 9/25/2009 |
| Q: I have afive year old system put in when we had our addition on our home.Since then the heating has ... A: Cory, You don't mention if you have balancing dampers in the supply/branch line to direct the air ... | |
| R8184G Control | 9/24/2009 |
| Q: How to attach monitoring device. We want to attach a self dialer to send an alarm when the R8184 ... A: Dee, Certainly whatever monitor you buy should come with wiring instructions . Possibly you may ... | |
| Central Air Replacement | 9/22/2009 |
| Q: Our air conditioning unit at our condo in Florida needs to be replaced. We are in Southwest ... A: Linda, In order to get the tax credit ,unit would need to be 16 SEER or higher and must be ... | |
| Bryant | 9/20/2009 |
| Q: Changing filter, little "dohickey" hangs BELOW the filter. THINK it might be a temp sensor, not ... A: john, look at the wiring diagram it will tell you what part that is,I don't know what your ... | |
| smelly split unit A/C | 9/20/2009 |
| Q: I live in a condo and the A/C that came with it is a split variety made by LG. The indoor went is ... A: H, Need to wash the air filter, usually ductless air filters are a fine plastic mesh, also wash ... | |
| Bryant | 9/19/2009 |
| Q: Changing filter, little "dohickey" hangs BELOW the filter. THINK it might be a temp sensor, not ... A: John, Yea change it , go to google Hvac Parts, many web based company will sell your dohickey ... | |
| Lennox G8 | 9/18/2009 |
| Q: I have an old Lennox G8 (What the front says) which is making some noise. Every time the fan ... A: Grant, I don't know what your referring too, a gas indoor unit? ,a split system A/C unit?. the ... | |
| odor from vents | 9/16/2009 |
| Q: We have a 25-30 year old Carrier heat pump. The air handler is in our attic. About 2 months ago we ... A: Sheila, they did replace the replacement motor, possible they used a marginal rated motor and your ... | |
| odor from vents | 9/16/2009 |
| Q: We have a 25-30 year old Carrier heat pump. The air handler is in our attic. About 2 months ago we ... A: Sheila, Where does your condensate drain line go to? outside or a vent pipe , if vent pipe and no ... | |
| Higher SEER rating = more money saved | 9/15/2009 |
| Q: I had an old 4 Ton Bryant 10 SEER AC and heat pump. I replaced it with an 4 Ton American Standard ... A: Marvin, The only why to tell is to put an amp. probe on the compressor,indoor and outdoor fan motor ... | |
| Higher SEER rating = more money saved | 9/15/2009 |
| Q: I had an old 4 Ton Bryant 10 SEER AC and heat pump. I replaced it with an 4 Ton American Standard ... A: Marvin, KWH referring to your electric heater ? Heaters haven't changed in decades as far as ... | |
| Sprial Ducts | 9/14/2009 |
| Q: I'm installing spiral duct on a 7.5 ton air handler. Installing (2)16" round spiral ducts at ... A: Daryl, Why not go to goggle/yahoo and punch in duct design ,duct calculations ,there are many ... | |
| Blower motor | 9/13/2009 |
| Q: Joe, my air condition unit outside is working, but the blower motor will not kick in. how do you go ... A: Rodney, No mention of age of equipment, if older unit chances are motor is bad,possible the run ... | |
| gauge reading-ac unit -residential | 9/12/2009 |
| Q: What are the average high and low pressure readings for home ac with ambient outside temp of 80 ... A: Jim, Using temperature/pressure chart around 225 Psi high side . low side Aprox. 63-68 depending ... | |
| Thermostat not working | 9/11/2009 |
| Q: I went home and noticed the thermostat was out...I purchased a new one from Home Depot..a Honeywell ... A: Jenny, If you feel you wired it correctly then chances are you do not have any 24 volt ac to the ... | |
| Thermostat not working | 9/11/2009 |
| Q: I went home and noticed the thermostat was out...I purchased a new one from Home Depot..a Honeywell ... A: Jenny, Remove access panel on your indoor unit and wire accordingly, if you have a packaged outdoor ... | |
| Hole in accumulator | 9/10/2009 |
| Q: The compressor on my Bryant Heat Pump model #661CJ048-C stopped working. HVAC tech found a hole in ... A: Manufactors warranty of their equipment vary, not sure what the parts and compressor warranty is on ... | |
| de grating or rating a 4 ton air handler to 3 ton | 9/10/2009 |
| Q: I recently had a brand new 4 ton air handler installed in a residental apartment. Due to the air ... A: Ivy, I am not to sure what you are talking about a "valve or water limiting device" possible that ... | |
| Hole in accumulator | 9/9/2009 |
| Q: The compressor on my Bryant Heat Pump model #661CJ048-C stopped working. HVAC tech found a hole in ... A: Joe, I don't know what to tell you, normally Manufactures would not wire tie firmly to the suction ... | |
| Condensation coming from A/C Duct | 9/9/2009 |
| Q: My mother just bought a 50 year old house which is on a pier and beam foundation. We live in Texas ... A: Michael, From my experience the water dripping from the register is coming from hot exposed metal ( ... | |
| Hole in accumulator | 9/9/2009 |
| Q: The compressor on my Bryant Heat Pump model #661CJ048-C stopped working. HVAC tech found a hole in ... A: Joe, Seen Manufactures use metal support for fan motors,including copper to run all types of wiring ... | |
| air conditioner | 9/4/2009 |
| Q: I flooded my kitchen today by accidently leaving the faucet running. I belive some of the water went ... A: Jamie, Doubt water did any electrical damage. the duct work is isolated from the control circuit. ... | |
| Seized(Stucked)Compressor | 9/3/2009 |
| Q: If three phase compressor Seized (Mechanically Stuck)most of them re-set at original running ... A: Nadeem, Single phase, use a large start capacitor match the voltage of the capacitor to the ... | |
| Compressor Failure | 9/2/2009 |
| Q: What are the most common reasons of compressor failure in HVAC system.How low Voltage Effect of ... A: Nadeem, where is the wiring diagram from the unit?? For SINGLE PHASE system. The C is common and ... | |
| comfortmaker ac | 8/30/2009 |
| Q: Where can I find the product information, owners manuels ect on my air conditioner? It is a ... A: Nanci, you probably have to call a Distributor in your area that handles that brand. You can go to ... | |
| A/C | 8/29/2009 |
| Q: Ball park figure as to the cost to install a/c in a split level home, 1800 sq.ft. Heating is gas, ... A: Conrad, Hard to say, varies what part of the country you live in,Cost are higher in my state.Also ... | |
| Compressor Failure | 8/27/2009 |
| Q: What are the most common reasons of compressor failure in HVAC system.How low Voltage Effect of ... A: Nadeem, The refrigerant coming back to the compressor helps cool the internal motor windings ... | |
| 13 sear condensor | 8/27/2009 |
| Q: just installed a new 13 sear condenser from a 13 year old condenser but has exsisting a coil. do i ... A: Thomas, Unit will still work with existing piston,certainly not as good as matched equipment, but ... | |
| Compressor Failure | 8/26/2009 |
| Q: What are the most common reasons of compressor failure in HVAC system.How low Voltage Effect of ... A: Nadeem, If your compressor is seized, drawing high amperage, doubt you will be able to get ... | |
| Central Air-Heat Pump | 8/23/2009 |
| Q: We have a Trane Heat Pump with our central air system. The inside unit is vented with a 3/4 inch PVC ... A: Ken, yes the PVC line ,if the PVC trap is not partially plugged and you feel that its draining ... | |
| Central Air-Heat Pump | 8/23/2009 |
| Q: We have a Trane Heat Pump with our central air system. The inside unit is vented with a 3/4 inch PVC ... A: Ken, blow out your drain line, backflush it with a garden hose, remove evaporator access panel ... | |
| airconditioners causing wet ceiling tiles | 8/22/2009 |
| Q: i work in a school system. we have a commercial air conditioner mounted in ceiling. it is sweating ... A: Dave, Probably the easiest to control the dripping would be to install a metal auxialry drain pan ... | |
| Amibent Sensor | 8/21/2009 |
| Q: I have a York Heat Pump Model E1FB018S06a The unit would not pull in the coil to start. I removed ... A: Frank, The older York units used the ambient sensor to set at what OD temp. it would bring on the ... | |
| a/c | 8/21/2009 |
| Q: I just replaced my fan motor on my a/c the last motor had the fan pulling air in now the new one is ... A: Bill, Blower motor ??? If you took the squirrel cage assembly ( blower wheel )out also to clean ... | |
| McQuay EnerSaver Heat Pump compressor. | 8/20/2009 |
| Q: I recently started working in an apt. complex that has McQuay EnerSaver Packaged Terminal Air ... A: Bob, You didn't mention the operating pressures while they were running or amp. draw .What caused ... | |
| Airi Conditioner Problem | 8/18/2009 |
| Q: My air conditioner stopped working because the capacitator (not sure how to spell it) broke (it was ... A: M, If your outdoor condensing unit is blowing cool air and your condenser fan is turning,chances ... | |
| Airi Conditioner Problem | 8/18/2009 |
| Q: My air conditioner stopped working because the capacitator (not sure how to spell it) broke (it was ... A: M, are you asking why the capacitor bubbled? If so chances are your unit tried to start before the ... | |
| Outside A/C unit, wires disconnected | 8/17/2009 |
| Q: Joe, while weed-eating today at a new home I pulled the wires loose from the unit outside. There are ... A: Mike, Looks like you have a 5 bundle wire using only the red and white.The green is probably a ... | |
| Power Failure | 8/16/2009 |
| Q: The A/C was working till abt. 4pm we smell something burning in the air, then on the monitor it says ... A: Michelle, you don't say if the blower fan runs, if nothing is running your transformer may have ... | |
| Replacing central ac unit | 8/14/2009 |
| Q: I live in southern NJ and am replacing a 10 seer York contractor grade central ac unit with a Trane ... A: Joe, Cost vary from states to states, you don't mention what they are doing.Location of indoor ... | |
| a/c | 8/13/2009 |
| Q: I NEED YOUR EXPERTISE, i HAVE THE INSIDE UNIT THAT IS 2 YEARS OLD.THE OUTSIDE UNIT IS NOT EVEN A ... A: Mary, You don't mention if this is a complete new system including duct work ,or you replaced your ... | |
| AIR RETURNS | 8/12/2009 |
| Q: My house is 1752 sq. ft 1 level. I am located Port St.Lucie Fl. My ac unit is a 4 ton ICP 6 yrs old. ... A: Shelly, You know the layout of your house better than anyone ( as far as what areas are warmer ... | |
| blower fan inop on cool setting | 8/11/2009 |
| Q: Blower fan inop on cool,but works w/heat & continuous A: Jim, while in cool mode put voltage tester on fan relay ( blower ) if you don't have 24 volts ac ... | |
| heat pump problem | 8/10/2009 |
| Q: I have a 5 ton Bryant heat pump outside with a Bryant air handler in my attic. Lately, the house ... A: John, Possible the blower motor is bad and shuts down ( internal overload )(You never mentioned the ... | |
| AC unit | 8/9/2009 |
| Q: My house was just built 3 1/2 years ago and the unit inside the garage is overflowing with water ... A: Noel, Chances are your drain trap is plugged,you can try to backflush it with a garden hose at ... | |
| trane xr11 | 8/8/2009 |
| Q: I have a Trane heat pump system that has quit working. The system is about five or six years old. ... A: Travis, lights dimming in house and unit not starting would be an indication of the compressor ... | |
| Outside Aircondition | 8/7/2009 |
| Q: My aircondition is about 8yrs old it was blowing fine and it won't come on at all outside,but the ... A: Barry, Where is your blower outside?? Do you have a self contained unit or a split system with fan ... | |
| A/C is barely cooling the air | 8/6/2009 |
| Q: I am hoping to get some advice on a problem I'm having with my AC. The entire HVAC system was ... A: jennifer, If the low side is low and the high side is normal, you may have a partial restriction in ... | |
| Noise from A.C | 8/5/2009 |
| Q: I live in a house with central A.C a month ago the ac started to cool the house less, I checked the ... A: Ron, Have them check your blower motor wheel (squirrel cage ) to make sure the lobes are not caked ... | |
| Noise from A.C | 8/5/2009 |
| Q: I live in a house with central A.C a month ago the ac started to cool the house less, I checked the ... A: Ron, Iced coil may be from your indoor coil inlet side being dirty, restricting air flow thru the ... | |
| airease HVAC | 8/4/2009 |
| Q: 2001 approx install of; Armstong Tech 80 Ultra V 45647-001 and Airease evap coil C2E36A-1A (R22 or ... A: Bryan You would be unable to take advantage of the rebate ,as you state evaporator coil section ... | |
| airease HVAC | 8/4/2009 |
| Q: 2001 approx install of; Armstong Tech 80 Ultra V 45647-001 and Airease evap coil C2E36A-1A (R22 or ... A: Bryan, Don't quite understand your question ,taking it you have a 80% furnace with either a cased ... | |
| Trane XL1200 not cooling | 8/3/2009 |
| Q: I have a TRANE XL 1200 Super Efficiency Air it quit blowing cool air last evening and I also noticed ... A: Rob, In your first statement you only mentioned that the fan was running slowly.And you reset the ... | |
| Trane XL1200 not cooling | 8/3/2009 |
| Q: I have a TRANE XL 1200 Super Efficiency Air it quit blowing cool air last evening and I also noticed ... A: Rob, no mention of age , but usually when a motor turns slowly it's an indication of ... | |
| hvac air flow | 7/30/2009 |
| Q: I have been having air problems for a while now & was told it probably due to air flow. I only have ... A: Jennifer, You can have the system designed and buy the right equipment. one source would be ... | |
| switching thermostate (heat pump) | 7/27/2009 |
| Q: I have heat pump on 2nd floor and current thermostat is Aprilaire 8346. I would like to replace it ... A: Vijay, First of all ,there are literally hundreds of t-stats model out.I don't pretend to know them ... | |
| switching thermostate (heat pump) | 7/23/2009 |
| Q: I have heat pump on 2nd floor and current thermostat is Aprilaire 8346. I would like to replace it ... A: Vijay, The difference bewteen a packaged and split unit is a packaged is self contained ,has all ... | |
| Hvac blower | 7/22/2009 |
| Q: First of all I am so thankful for your time. I have a Goodman system. The A/C unit was just replaced ... A: Michael, Goodmans website is goodmanmfg.com They have a "contact us" if you have any questions. ... | |
| switching thermostate (heat pump) | 7/21/2009 |
| Q: I have heat pump on 2nd floor and current thermostat is Aprilaire 8346. I would like to replace it ... A: Vijay, wiring diagram is pretty straight forward that comes with your new stat.Does your new stat ... | |
| A/C unit outside not blowing air | 7/19/2009 |
| Q: We have a 1997 heating/cooling system. One unit combined outside. It gets serviced every other year, ... A: Tracy, Probably a low voltage problem ( 24volt ) if you know electrical you can ohm out wires from ... | |
| Life span for capacitors? | 7/18/2009 |
| Q: Woke up this morning to find the central air was not working (fan was blowing, but no cooling.) ... A: Elizabeth, Capacitors can last the life of the unit, many things affect the lfe,certainly number of ... | |
| janitrol air conditioner | 7/17/2009 |
| Q: I have a janitrol central heat/air system in my house. My home was built in 1999. When I got up ... A: Felicia, Humming sounds would be the compressor contactor pulling in, so your low voltage 24 volt ... | |
| Residential AC | 7/16/2009 |
| Q: Should I keep 2 different temperature settings for two-story home at night? i.e. higher setting on ... A: Pat, Judgement call on where to set your stats at night,What you suggest sounds good to me. 2nd ... | |
| central air unit | 5/27/2009 |
| Q: if i shut the sir off and turn the fan on it works fine any help in regards to this would be much ... A: Ryan, double check your hookups at the t-stat to air handler to outdoor unit should be pretty basic ... | |
| new unit | 5/11/2009 |
| Q: I have several bids for a new Central Air Unit using R22 and r410 .They did say that r22 unit will ... A: John, Compare cost of the two different refrigerant units , for the most part you will need to ... | |
| water soaking my a/c filter | 5/7/2009 |
| Q: I have a Goodman system, 2 years old. Everything is new. We had to have some home repairs done and ... A: Michelle, How did your system work last year ? need to verify all supply registers are open as well ... | |
| AC & htg system | 5/6/2009 |
| Q: I am really in a dilemma as to what kind of system to get. My old one - 1987 (4 ton) is a Trane (I ... A: Doris, The #6 wire to the air handler is if you decide to go with electric heat instead of a heat ... | |
| coil freeze | 5/6/2009 |
| Q: 4 ton split hp.goodman 13 seer with txv. subcool 15f superheat 23f. high side 139psi low side 50psi ... A: Steve, Which coil are you referring to that's freezing indoor or out??. you do state you have a ... | |
| AC & htg system | 5/5/2009 |
| Q: I am really in a dilemma as to what kind of system to get. My old one - 1987 (4 ton) is a Trane (I ... A: Doris, As a Contractor myself I don't quote ultra high Seer rated equipment unless the customer ... | |
| Heating and cooling unit replacement | 5/1/2009 |
| Q: I have a 3200 square foot home. The upstairs heating and cooling unit is old and needs replacing. ... A: Dawn, Suggest you get several bids from reputable companies.You can go to BBB website to see if ... | |
| HVAC - Fan runs but dampers stay closed | 4/30/2009 |
| Q: I sometimes want to run my fan to circulate air in the house when there is no call for heat or a/c. ... A: Rob, From my experience with zone dampers is that they are normally open when nothing is calling, ... | |
| r 22, fixed orifice | 4/29/2009 |
| Q: my head pressure(when unit it turned on) rises to 350 then immediately drops to 250psi and it then ... A: Luis, Personally I would start from scratch and reclaim charge ,you can weight it and compare it ... | |
| A/C | 4/28/2009 |
| Q: when i set my a/c to auto and put the temp, at 20 it comes on and cold air comes out but the a/c ... A: Tommy, To me it sounds like your stat is out of calibration or not level ( mercury type stat ) Also ... | |
| Comfortmaker HVAC outside unit | 4/27/2009 |
| Q: Our Comfortmaker unit was installed in 2004 and I have had a sunshield suspended about 5 feet over ... A: Jon, If your referring to the condensor fan motor that should start when ever the compressor ... | |
| AC in 2 story home can't keep up | 4/23/2009 |
| Q: We bought a 2 story home last year with 2 central air units, 1 for the main floor and basement and 1 ... A: Erin, Is your ductwork in a hot attic?, maybe your duct is not sealed correctly,and bringing in hot ... | |
| copeland compressor 3 phase | 4/22/2009 |
| Q: what are the steps to add oil to a condensing unit compressor? what equipment is needed for the job? ... A: Because compressor is used you may want to check the compressor terminals to ground to make sure ... | |
| copeland compressor 3 phase | 4/22/2009 |
| Q: what are the steps to add oil to a condensing unit compressor? what equipment is needed for the job? ... A: Jesus, If this compressor is a semi hermetic with a oil site glass ,you need an refrigeration type ... | |
| Breaker Requirements | 4/21/2009 |
| Q: We just had a 5 ton unit installed (Day & Night). It has been running fine for about 1 month. ... A: Butch, you may have a too small a size breaker rating, reason for it tripping, it should clearly ... | |
| Adding AC to my home | 4/20/2009 |
| Q: I want to thank you in advance for taking the time to review my question. I appreciate any advice ... A: Jason, I thought you said you were going to let someone else "weld the line set and charge up the ... | |
| pavers | 4/20/2009 |
| Q: I have a rental home about 1100 square feet, rancher. I want to buy all the equipment and pay an ... A: Steve, Don't know what size unit your installing ,don't know if unit is a packaged or split ... | |
| rudd furnace | 4/17/2009 |
| Q: my furnace in my attic blows air, but no heat. the polite light wont stay lit. is this a common ... A: Wayne, If you have a spark ignition type pilot, your pilot flame may be weak and not engulfing the ... | |
| pilot lite won't ignite Ruud UGDA0 07EAUER | 4/16/2009 |
| Q: The unit starts up fine, blower is good, 12-15 seconds when the gas kicks in, the pilot won't lite, ... A: Mike, You should first concentrate on getting the pilot to light as that is the first step ... | |
| Adding AC to my home | 4/15/2009 |
| Q: I want to thank you in advance for taking the time to review my question. I appreciate any advice ... A: Jason, Your heating unit is 70,000 BTU @ 95% efficient handles up to a 3 ton cased or uncased ... | |
| replacement decision Trane vs American Standard | 4/14/2009 |
| Q: Our a/c system is "builder grade" 1997, not keeping up with our Houston needs, we're looking at ... A: Cathy, Looked briefly at both brands, the AM.Std. has three tier levels with the Contemporary ... | |
| 1987 Carrier Fan Motor Keeps Running | 4/13/2009 |
| Q: Natural Gas Furnace, Carrier 58SX. Problem just started recently. Fan motor will not shut off. ... A: You can try to adjust the resister to a lower setting to see if the fan stops.say 120 sec.or 60 sec. ... | |
| 1987 Carrier Fan Motor Keeps Running | 4/13/2009 |
| Q: Natural Gas Furnace, Carrier 58SX. Problem just started recently. Fan motor will not shut off. ... A: Loretta, Would need a voltage tester and know how to use one to really trouble shoot your unit.On ... | |
| HVAC Furnace Ignitor FC007 Miller York FC035K 902661 remains on | 4/11/2009 |
| Q: This morning when we turned off the HVAC unit the fan kept going and the HVAC Furnace Ignitor FC007 ... A: Feraz, Disconnect the thermostat wires from the furnace terminal hook up and see if it sparks.If it ... | |
| blower | 4/9/2009 |
| Q: My gas furnace kicks on fine and goes off but the blower fan keeps runnig until I un plug it,keeps ... A: Wayne, First thing to check would be the fan relay, possible N/O normally open contacts welded shut ... | |
| HVAC Condenser Failure | 4/7/2009 |
| Q: I manage a shopping center which was constructed in 2004 - we have our HVAC units serviced every 6 ... A: Kelly Drossing, Many things will affect Compressor failure, Units not matched (indoor coil to ... | |
| Heating and Air Conditioner by Frigidaire | 4/6/2009 |
| Q: I have a brand new Heating and Air Conditioner by Frigidaire when I put it on heat it stays on for a ... A: T'sha, When does your blower fan start? Does the burner shut down before fan starts? if so it may ... | |
| Rheem split system | 4/3/2009 |
| Q: the heat goes on in a/c mode - does this mean that the control board need be replaced as I have ... A: Joe, I would bypass the thermostat and thermostat wire and at the indoor unit where the low voltage ... | |
| Connecting common wire for heat pump | 4/1/2009 |
| Q: I am trying to connect common wire for my new thermostat. My wiring for the heat pump is y,g,w,r and ... A: Ken, not following you all the way,The low side of the transformer which supplies the 24 volt ac to ... | |
| Rerouting lines | 3/31/2009 |
| Q: My ac compressor is outside the house.The evaporator is inside the garage.The supply and return ... A: Ozzie, From my experience if your unit is not a Heat Pump ( the large vapor line is the high ... | |
| Rheem A/C will not come on, inside fan ok. | 3/30/2009 |
| Q: I have a Rheem A/C unit model RACC036JAS for my home. The outside unit will not come on compress ... A: Jason, A yearly check by a professional would have avoided this situation. On many Rheem A/C unit ... | |
| Janitrol Gas Furnace A/C unit | 3/27/2009 |
| Q: I have a Janitrol Gas Furnace a/c unit that is approximately 18 years old. It is an upflow HEFF ... A: Bob, Being nearly 20 years old,first thing I would do is verify that your inlet side of your A/C ... | |
| emergency heat comes on when air is on | 3/26/2009 |
| Q: I have a heat pump that is about 13 years old. Last year I started having problems. When I turn ... A: Wanda, You didn't tell me if you have a split system unit or a packaged unit or the location of ... | |
| emergency heat comes on when air is on | 3/25/2009 |
| Q: I have a heat pump that is about 13 years old. Last year I started having problems. When I turn ... A: Wanda, Only need a competent A/C Service Tech. the low voltage wiring is only 24 volt. If the ... | |
| emergency heat comes on when air is on | 3/24/2009 |
| Q: I have a heat pump that is about 13 years old. Last year I started having problems. When I turn ... A: Wanda, You may have a low voltage wiring issue,wrong stat,defective electric heat relay,etc. ... | |
| furnace not working correctly | 3/23/2009 |
| Q: ,it blows cool air on heat setting with a one flash light. thank u for your time A: Dana, I don't know what One blinking light means on a American Standard furnace .There are ... | |
| refrigirator not cold | 3/22/2009 |
| Q: I have a Frigidaire Pure Source Plus FRS26ZNH and over the last couple of days it just started ... A: Joe, The motor is that the compressor or a condenser fan motor your referring to. You would need to ... | |
| bard tsf 80 | 3/21/2009 |
| Q: Jim, i have asked about this unit before here is some added info. furnace not firing gas valve ... A: John, If you suspect control board,or gas valve suggest buying one on line Goggle Hvac parts, many ... | |
| Outside Heating Vent | 3/20/2009 |
| Q: My outside heating vent drips water, below the heating vent formed icicles below the vent. This is a ... A: Kai, Don't know what your referring to "outside heating vent" if you have a condensing furnace ... | |
| Hvac | 3/19/2009 |
| Q: Just bouught a trailer with electric heat it hasent been used in 2 years because breakers kept ... A: Mark, Possible part of your heater element is bad. ( element is electrically open when ohm with ... | |
| mobile home electric heat | 3/18/2009 |
| Q: central a/c works but electic heat does not. home 8 years old. fan blows but no heat... thanks A: Rev. Gerald, Possible bad heater element. ( element is electrically open when ohm with meter ) or ... | |
| heat pump | 3/17/2009 |
| Q: is it likely that a 10 seer heat pump w/ electric emergency heat would cause a 2 person family ... A: T, Before you condemn the Electric Company , you may want to consider that to heat a 3000 sq. ft. ... | |
| Ceiling Damage due to condensation | 3/17/2009 |
| Q: I am a Refrigeration Mechanic and have been called to a Job where the home owner runs his Daikin 16 ... A: Peter, I had a similar situation with my residence , mine was condensation dripping from my supply ... | |
| furnace, please help | 3/16/2009 |
| Q: model 50e47-843 . im getting a yellow blinking light on it thats says improper polarity. so i ... A: David, Equipment may not be grounded or control module may not have a good ground. Look at wiring ... | |
| Furnace some times does not start. | 3/6/2009 |
| Q: Furnace does not need to cycle on like it should some times, so as my wife says I need to go down to ... A: Jack, The literature you have may be the owners guide. need the install/troubleshooting ... | |
| Heat Pump Starting Problem | 3/5/2009 |
| Q: I have a Tempstar TCH436AKA3, serial L023876685 heat pump with a MV12F1900A4 air handler. It is ... A: yes applies to scroll or reciprocating, also change the compressor capacitor.when changing ... | |
| rheem package heatpump model rqnm-ao48jk.015 | 3/5/2009 |
| Q: my question is i live in a doublewide home it is twelve years old and came with a coleman 4-ton ... A: Jimmy, First thing I would do is run your fan only and check the return air vs the supply air it ... | |
| Armstrong Air Ultra 80 | 3/4/2009 |
| Q: My unit kicks on, the electric pilot light turns on, gas ignites, pilot light goes out, gas stops. ... A: Scott, Does your blower fan run ,if not, it is tripping off at high limit. No mention from you if ... | |
| Heat Pump Starting Problem | 3/3/2009 |
| Q: I have a Tempstar TCH436AKA3, serial L023876685 heat pump with a MV12F1900A4 air handler. It is ... A: Bruce, Would need to flush system of any acidic oil, as this is your 2nd compressor or replace line ... | |
| AHU No Heat But Fan | 3/2/2009 |
| Q: We have a small residential Grand Aire AHU in our condo (about 4 yrs old). The system should be ... A: Kate, pressure switch is located in conjuntion with the inducer/ventor motor. Either your inducer ... | |
| Rheem Heat Pump - No heat | 3/1/2009 |
| Q: My a/c runs fine but when calling for heat, the indoor air handler starts fine but the outdoor ... A: Paul, All the residential A/C Heat Pumps i worked on use AC volts, you clearly state your meter is ... | |
| Gas furnace condensate disposal | 2/28/2009 |
| Q: I'm a home improvement contractor (carpenter) who is helping my neighbor with a new HVAC ... A: Doug, As long as the dehumidifier and condensate drain from the A/C unit drains without a visible ... | |
| Electrical schmatic for Rheem economizer | 2/27/2009 |
| Q: I'm a facilities manager for a 4 story office building. We have Rheem HVAC units on the roof and ... A: Al, You would have to contact a Rheem Distributor ( a HVAC Contractor who sells Rheem may help but ... | |
| Furnace | 2/26/2009 |
| Q: I Have a Snyder General Propane furnace. The furnace is working, although there is no heat coming ... A: Barry, What does the "furnace is working although there is no heat coming out" mean? Does your ... | |
| 5 ton Lennox gas furnace | 2/26/2009 |
| Q: blower will activate when tstat calls for it. i am not getting 24 volts out to condensor contactor ... A: Kevin, No power to contactor ,would need to look at wiring diagram ,if you have a low pressure ... | |
| Replacing older Heat Pump | 2/25/2009 |
| Q: I have an older split system Heat Pump and would like to replace with newer energy efficient. do you ... A: John, Recommend replacing both units,several reasons Manufacture brand may not warranty unit if ... | |
| hot water | 2/24/2009 |
| Q: Question I had a repair man turn down my hot water because it was just to hot and now I have cold ... A: Chrissy, Reading your question I'm taking it that you get your domestic hot water from a boiler. He ... | |
| rheem gas furnace 10 years old 80000 btu | 2/23/2009 |
| Q: The fan remains on for a long period of time after heat has stopped heating the house, thereby ... A: Rich, Look to see what type of fan control you have , many where the time delay on and time delay ... | |
| split system A/C | 2/22/2009 |
| Q: after a power cut my split system airconditioner has never been the same. l have tried to turn the ... A: Sam, Sounds like you have a ductless split unit.Short of verifying that you have the correct ... | |
| gas boiler | 2/21/2009 |
| Q: I replaced a leaking boiler pressure relief valve on my pennco gas fired boiler, now I hear water ... A: Vince, You should have a automatic water feeder on your system usually set to 12-15 psi mounted on ... | |
| Trane XE 78 Intermittent Burner Shutoff | 2/20/2009 |
| Q: I have a Trane XE 78 natural gas furnace that is @17 years old that works in conjunction with a ... A: Craig, The below two paragraphs I found on the Internet They are not my wording. I have noticed ... | |
| HVAC Heat Pump | 2/19/2009 |
| Q: I have an issue (I think I do anyway) with a Lennox Heat pump. The unit is providing heat and ... A: John, Great info to work with!,being only 1.5 years old ,chances are your outdoor unit fan motor is ... | |
| Payne electric heat pump | 2/18/2009 |
| Q: We recently put on a 540 sq ft addition with 14' ceilings.The rest of the house is heated with an ... A: Jim, You don't mention if you have electric heat strip heaters in your air handler ,you do mention ... | |
| Hi pressure reading (30psi) from boiler gauge. | 2/17/2009 |
| Q: I have an old Weil-McLain natural gas hot water boiler for the second floor apartment. It's probably ... A: Norvin, you can get the pressure down by opening the relief valve on the unit manually . Also you ... | |
| a/c problem | 2/15/2009 |
| Q: I have a ruud energy star unit that is 11 months old. The thermostat works fine and when it click on ... A: Thomas, What do you have a packaged or split system, I clearly ask for that info on my write up. It ... | |
| furnace problem | 2/14/2009 |
| Q: I have a Keeprite furnace DC90 Ultra High Efficiency, it is 9 years old, the problem start when i ... A: Aky, You don't mention if you have natural or propane,if you have propane possible there is a gas ... | |
| goodman heater & a/c unit | 2/13/2009 |
| Q: I have a Goodman Model # GMS-911-55DXA SER#0603798537 ,I can't find any info regarding the warranty ... A: Joe, Pressure switch stuck in closed position ,they may tell you to spray contact cleaner or ... | |
| Problem with my AC unit | 2/12/2009 |
| Q: the model # is B20-03-15c00001T its a sun dail it was working all fine then i turn the AC on the ... A: Phillip, Next time you buy a transformer ,buy on that has a built in overload,reset button on it. ... | |
| Problem with my AC unit | 2/12/2009 |
| Q: the model # is B20-03-15c00001T its a sun dail it was working all fine then i turn the AC on the ... A: Phillip, If indoor fan works for heat but not cool ,you have some wiring issue in cool mode. Don't ... | |
| Problem with my AC unit | 2/12/2009 |
| Q: the model # is B20-03-15c00001T its a sun dail it was working all fine then i turn the AC on the ... A: Phillip, What fan would that be that's not turning on in cooling , Condensor or the ... | |
| furnace keeps goes on and off | 2/11/2009 |
| Q: My furnace and thermostat are about ten years old. The thermostat is a White Rodgers. After I turn ... A: Taking t-stat out of circuit by jumping wires to test unit operation eliminates one possible ... | |
| furnace keeps goes on and off | 2/11/2009 |
| Q: My furnace and thermostat are about ten years old. The thermostat is a White Rodgers. After I turn ... A: Joe, possible going off at a high limit control before it gets a chance to satisfy.Not enough ... | |
| Programmable thermostat installation | 2/10/2009 |
| Q: I am replacing a standard thermostat (FHP Manufacture, Simple comfort) with a Honeywell Focus Pro ... A: Jim, Are you sure the blower fan is not a delay now ( delay on delay off )on a call for heat or ... | |
| a/c with heating add on | 2/9/2009 |
| Q: I have a 5 year old rudd a/c handler is the attic for the second floor without the factory installed ... A: Marc, All I know is electric heat is expensive. A typical refrigerator draws 3-6 amp. compare that ... | |
| Payne-a/c & heating | 2/8/2009 |
| Q: we have a Payne A/C and single pump heating unit. This was already installed when we bought the ... A: Lisa, The unit wiring diagram should be plastered on the inside of the electrical access panel. ( ... | |
| a/c with heating add on | 2/7/2009 |
| Q: I have a 5 year old rudd a/c handler is the attic for the second floor without the factory installed ... A: Marc, You should be able to add a heater element with no problem, use a Ruud/Rheem heater as it is ... | |
| I believe I have a wiring issue | 2/6/2009 |
| Q: My unit is 1yr. old and I cant get the Heat to work then switch to AC. It has been this way since ... A: P, Don't know what type of heat you have ? ,don't know if it's a packaged unit or a split unit ? ... | |
| Central Heat not working properly | 2/5/2009 |
| Q: When I turn on the heat in auto mode, it worked for 15-20 mins and then circuit breaker which is ... A: Bill, If you told me originally you have electric heat, i would have told you to check the heater ... | |
| RHEEM CRITERION | 2/4/2009 |
| Q: Furnace cycles about 10-15 minutes, flames go out, vent loader shuts down, blower motor runs to cool ... A: Andy, you don't say "all the while still calling for heat at the stat. or the stat satisfies " I ... | |
| Heating Fan | 2/3/2009 |
| Q: I have Trane auto heating system, when I set target at 72F, the thermostat cut off at 72F but the ... A: Sam, Fan at t-stat set to " on " position instead of auto. fan relay not deenergizing ( 24 volt ) ... | |
| RUUD Hot air oil furnace blower stays on | 1/30/2009 |
| Q: I have a 1990 Ruud Hot air oil fired furnace. The heat works but when the unit reaches temperature ... A: Mark, Should not be to difficult to find fan relay, trace the wires from the blower motor back to ... | |
| outdoor condensor fan | 1/29/2009 |
| Q: I replaced the capacitor and the relay today on our unit outside due to the relay sticking and the ... A: Melissa, Need to match capacitor MFD and voltage to fan motor and be wired correctly. If you ... | |
| heat | 1/27/2009 |
| Q: "Currently my heater is blinking 2/3 which indicates that the "low or high heat pressure switch did ... A: Quentin, Is the reference referring to the air pressure switch of the inducer/ventor motot? if so ... | |
| Heat Pump Occasional Problem | 1/26/2009 |
| Q: I have a 4 ton Carrier 38YRA heat pump that is about 9 years old. It has an intermittent problem ... A: Richard, 1st. question, Compressor holds off for a few minutes, could be several reasons You ... | |
| Heat Pump outside fan turns on and off several times | 1/25/2009 |
| Q: Our Carrier Heat Pump was installed over a year ago specifically to heat and cool our finished ... A: Rocco, In one sentence you state outdoor unit is cycling,next line outdoor fan ? If the compressor ... | |
| heat exchanger freezing | 1/24/2009 |
| Q: i have a Heat Controller 2 ton geothermal/watersource heat pump less than 3 years old. it was ... A: Bill, I would look at possible low on charge Possible restriction ( refrigerant side ) Filter ... | |
| Heat pump/ EM Heat | 1/23/2009 |
| Q: I have a Coleman/Evcon heat pump that is about 10 Yrs Old. Starting about 2 weeks ago when it got ... A: Nikam, Reason for no wire hooked up to E terminal could be that the wire bundle they ran to the ... | |
| trane ae1000 heat pump | 1/22/2009 |
| Q: have the trane unit indoor/outdoor heat pump, noticed it was making a thumping or dull popping ... A: John, What does blow the condensor mean,meaning the outdoor fan motor ? if so maybe when he changed ... | |
| coleman furnace blower connection | 1/21/2009 |
| Q: I have a intertherm?? furnace which needs a blower. I have a coleman 3500-690 blower. Can you ... A: Steve, According to you you say you have a variable speed, My experience for a variable speed to ... | |
| coleman furnace blower connection | 1/20/2009 |
| Q: I have a intertherm?? furnace which needs a blower. I have a coleman 3500-690 blower. Can you ... A: Steve, What does the wiring diagram on an inside panel of the Intertherm ( Nordyne Brand ) and the ... | |
| HEAT PUMP/FREON | 1/20/2009 |
| Q: I live in Az and I have a heat pump on our ac/htg unit in a rental (condo)we own. We had a Freon ... A: Jim, The more correct wording would be refrigerant ( same thing thou )Freon is a registered ... | |
| Hum sound on AC | 1/19/2009 |
| Q: Maybe an easy question for you. My compressor (3 ton) on my AC hums when the fan shuts off. When the ... A: John, Do you have a packaged unit? or split? What fan are you referring to ,blower or condensor? ... | |
| HEATER BLOWS COLD AIR | 1/18/2009 |
| Q: 4 YEAR OLD AC/HEAT PUMP IS BLOWING COOL AIE. TEMP INSIDE OF HOUSE IS 59 DEGREES OUTSIDE ITS 30 ... A: Steve, The fuse(s) your taking out is that for the electric heaters, if so you would need to ... | |
| A/C & heater, original with 20 yr old house | 1/17/2009 |
| Q: What is expected life of a/c & furnace system? Can you recommend manufactors with good reliability? ... A: Edwina, I don't personally recommend one brand over another .One thing I look at is warranty, All ... | |
| eubanks heating unit | 1/16/2009 |
| Q: I am working on a eubanks heating and a/c unit that fits in front of construction trailers electric ... A: Michael, Unable to find much info on Eubanks states that it was a Texas Manufacture of cooling ... | |
| water in ducts and indoor unit | 1/15/2009 |
| Q: I have a 4 yr old 18 seer 5 ton American Standard with a heat pump with a variable speed fan. It is ... A: If you have supply register(s) in the bathroom(s)or near by certainly when taking a hot shower ... | |
| water in ducts and indoor unit | 1/15/2009 |
| Q: I have a 4 yr old 18 seer 5 ton American Standard with a heat pump with a variable speed fan. It is ... A: Tracey, I had same problem years ago with my unit ( air handler in attic ) New England Area. ... | |
| Heat Pump Performance Highly Variable | 1/14/2009 |
| Q: I have a two-zone Trane XL90 heat pump system with an air handler in the attic in my 1940s Virginia ... A: Don, As far as fan not running on fan "ON" position ( upstairs unit ) I would not worry to much ... | |
| Heat Pump Performance Highly Variable | 1/13/2009 |
| Q: I have a two-zone Trane XL90 heat pump system with an air handler in the attic in my 1940s Virginia ... A: Don, OK I'm taking it that you have two separate Heat Pumps and not one unit with two ... | |
| H1 H2 | 1/12/2009 |
| Q: Joe Have a 1 year old 2.5 Ton Goodman Package unit and Goodman manual thermostat just had the ... A: Jim, Explains alot, your heat pump is first stage ,energizing O terminal - reversing valve and Y ... | |
| H1 H2 | 1/12/2009 |
| Q: Joe Have a 1 year old 2.5 Ton Goodman Package unit and Goodman manual thermostat just had the ... A: Jim, No mention if you have a straight A/C unit only, and an A/C & heat stat and installing ... | |
| Trane heat and air unit | 1/11/2009 |
| Q: I have a Trane heat and air unit. When I am outside and the fan is not running you can hear a ... A: Kathy, I don't know exactly what type of heat you have from your description.If you have a gas ... | |
| mitsubishi ductless | 1/10/2009 |
| Q: I have a mitsubishi ductless system at work. Unit will only run for about 2-5 minutes before it ... A: Matt, Not that hard to check for a plugged orifice , pistons usually just passed the liquid line ... | |
| commercial ac | 1/8/2009 |
| Q: I was wondering if you could tell me what I need to do to jump start a commercial ac unit from on ... A: Louie, To observe operation of a RTU being right there. Find low voltage terminal strip hookup and ... | |
| Heating ducts | 1/7/2009 |
| Q: I am in a new construction home and find my furnace running constantly. I only keep the temp at 68 ... A: Natalie, If you have metal ducts,it's possible you have insulation on the inside of the duct. It's ... | |
| Comfort heat pump | 1/6/2009 |
| Q: The electric was turned off for this house for about 1 1/2 years and turned on for the first time ... A: John, Being off for 1.5 years possible you may have lost the refrigerant charge and the low ... | |
| Rheem Furnace won't start | 1/4/2009 |
| Q: i have a rheem electric ignition furnace model RGDD-06NC-ER. It's 15 years old and it worked well ... A: Tom, Looked at other sites says you have a glow coil igniter and not a spark ignitor. What is the ... | |
| lennox question | 1/3/2009 |
| Q: Happy new year. I have a few questions. We have a gas lennox model GCS20RV installed in 1994. It ... A: April, looked briefly at your unit on line.www.hvac-direct.com/pdf_files/service/0110a.pdf gives a ... | |
| New Trane Heat Pump not defrosting | 1/2/2009 |
| Q: I have a new Trane heat pump that will not defrost. Dealer has changed defrost board, and at least ... A: Phil, First off snow like ice is normal , heavy thick solid ice on both sides of the outdoor coil ... | |
| HVac design | 1/1/2009 |
| Q: Can you tell me Sir in 1) What are different type of Duct Layouts 2) How to design Ducts (suggest ... A: Sudesh, Unicosystems.com is one type of duct system. They use high velocity air threw there duct ... | |
| Wind noise at registers | 12/31/2008 |
| Q: several years ago I got a forced air HVAC system (heat pump) installed including ducts which the ... A: Denis, Air takes the path of least resistance,meaning you need to install balancing dampers in your ... | |
| Heat Pumps | 12/24/2008 |
| Q: How can i tell if i have a bad reversing valve or compressor issues or check valves. The head ... A: John, Here is an answer I gave to another person that had a similar issue. Reversing valves ( RV ) ... | |
| HEATER WONT WORK.... | 12/23/2008 |
| Q: My heater wont work. We turn on the switch at the bottom it turns red and stays red and it does not ... A: Lilia, First off, GAMA CAT 1 is not a name of a heater brand it stands for Gas Appliance ... | |
| AIR FILTER IS WET | 12/22/2008 |
| Q: I WAS REPLACING THE AIR FILTER IN MY LENNOX ELITE SERIES AIR HANDLER (MODEL cb29m-51-IP)AND NOTICED ... A: Pat, Briefly looked up your Air Handler,your air filter is down stream of the indoor coil it's ... | |
| Furnace Question | 12/21/2008 |
| Q: When I turn on the heat, I can hear the furnace turn on in the basement. After a few minutes, it ... A: Sheila, Sounds like the blower motor is not running, On the t-stat put fan selector switch to "on" ... | |
| Carrier Weathermaker SX heat exchanger 15 year old | 12/20/2008 |
| Q: Carrier Weathermaker SX furnace locks out few times a week mostly at night, had the trap cleaned ... A: Scott, I seen you asked this questions at another forum. The write up was exactly the same.Heat ... | |
| Furnace Installation extras | 12/18/2008 |
| Q: Live in the Dallas-Ft Worth area and the old furnace died (circa 1986)and we're getting a Fedders ... A: Dave, You didn't mention what type of vent pipe they are installing - single wall which is MINIMAL ... | |
| Forced air heater | 12/17/2008 |
| Q: I have a gas forced air heating system. It goes through its regular cycle to bring house temp up and ... A: Larry, No mention of age of unit, older furnaces used a bi-metal(looks like a curly piggie tail ) ... | |
| carrier 58dhb075 | 12/15/2008 |
| Q: ventor motor comes on, pilot lites,burners come on, supply fan comes on, about 5 min. later burners ... A: Cheryl, If main burner shuts off after 5 minutes ( no mention on how soon the main burner relights ... | |
| heat pump thermostat | 12/14/2008 |
| Q: I had a power outage in my house today. Not sure how long it lasted, but I called it in to the power ... A: Suzanne, There are hundreds of thermostat models out there, I don't pretend to know anywhere near ... | |
| Heat Coils | 12/12/2008 |
| Q: I have a question concerning the heating coils in my electric furnace. When the tech. installed the ... A: brandon, Heating coils come in anywhere from 3 KW to 30 KW ( kilo watt )for most residential ... | |
| heating a garage | 12/10/2008 |
| Q: I am not sure if I am in the proper section of this forum for this question...but here goes. I have ... A: Cathy, Don't know what type of heat you have, oil or gas.If you have gas and plan on turning the ... | |
| Robertshaw 9520 thermostat | 12/9/2008 |
| Q: I went away for a week & when I returned there was nothing on the thermostat's display screen. It ... A: Linda, A thermostat USUALLY has two parts, a subbase, which is mounted on the wall first usually ... | |
| Robertshaw 9520 thermostat | 12/7/2008 |
| Q: I went away for a week & when I returned there was nothing on the thermostat's display screen. It ... A: Linda, Need to check to see if you have 24 volt ac at terminal R and C at the subbase of the stat. ... | |
| Westinghouse Heat Pump Compressor Noise | 12/5/2008 |
| Q: I have a Westinghouse 3 ton heat pump, 2 months old that the scroll type compressor is making a very ... A: Tom, You should be asking the Installing Contractor about your concern, you have a labor ... | |
| heat pump - emergency or auxillary heat | 12/4/2008 |
| Q: I'm buying (trying) my first house. It is all electric with a heat pump. I had a home inspection ... A: Shauna, Depending on where you live ( Southern part ) Possible you may only be using Electric strip ... | |
| trane heat pump unit | 12/3/2008 |
| Q: mod#sphc-6ioh-302-a serial# 09g-16492 it wont heat on pump side what should i check/clean, whats the ... A: Sean, Dude your question is way vague.Pressures depend on outdoor temperature, and indoor ... | |
| water from air outlet(indoor side) | 12/2/2008 |
| Q: I have a GE window air conditioner for 2 years now. It has had an issue since I had purchased it. ... A: shrutesh, Don't know what to tell you, maybe it's a design flaw with that model, or critical ... | |
| lenox furnace | 12/1/2008 |
| Q: my son has a fairley new lenox gas furnace,model # G24M3/4-100A-11 se # 6388L03556 last year it ... A: Ike, I don't know every brands what the blinking lights mean, each Manufactures blinking light is ... | |
| Ground source heat pump | 11/29/2008 |
| Q: How do I do an acid wash of primary and secondary heat exchanger. This is a 1.5 ton unit, and the ... A: Aubrey, Not 100 % sure without looking at system, I would say disconnect the inlet and outlet water ... | |
| Miller Heat Pump very cold air in winter | 11/26/2008 |
| Q: Miller heat pump 4 years old. Had to use emergency heat because thermostat set at 75 house ... A: Bernadette, There may be a high pressure switch reset button some where on the outdoor unit. May ... | |
| Return Air efficiency | 11/24/2008 |
| Q: I, myself, recently install a new high efficiency heat pump with a gas high efficiency backup ... A: Jim, As far as I know they still make zone dampers on the supply registers itself , but that is ... | |
| Heat Pump | 11/23/2008 |
| Q: What size wire and breaker do I need to run for 3.5 ton unit> (Out side unit) A: Ernest, As far as the breaker size it will clearly state the Maximum HVAC type on the data plate on ... | |
| Super S Heat Exchanger | 11/21/2008 |
| Q: I have a Carrier WeatherMaker 8000 purchased in '98. A repair man has informed me (and shown me ... A: Kurt, Don't know what you mean by broken coils except for maybe braces ( which is somewhat normal ... | |
| heat pump:blower fan won't stay on | 11/20/2008 |
| Q: I have an approx. 10yr old Janitrol heat pump. The system comes on normally but after about 15 min. ... A: David, Need to put your hand on the blower motor after the 15 minutes, it should be warm to the ... | |
| Intertherm 90,000 btu heater | 11/20/2008 |
| Q: I have a problem with my heating system. It is about 10 years old and has had the ignitor, ... A: Dennis, Did they check the gas pressure at the valve?? How was the system running before you ... | |
| Century gas (propane) furnace | 11/18/2008 |
| Q: I have a Century reclaimer 90 high effi.furnace it seems to only operate properly with the air ... A: Tom, Your write up is vague, need more detail. What does it do with the filter in place?? blower ... | |
| york heat pump | 11/14/2008 |
| Q: When I turn on my heat pump the unit does not turn on, I hear some clicking sounds coming from it ... A: Art, Clicking sound probably would be your compressor contactor energizing on a call for ... | |
| Gas valve has 24 v and igniter is clicking, but no pilot or mv flame | 11/13/2008 |
| Q: I have a gas furnace with a Honeywell intermittent model S8 600H pilot ignition system. This year my ... A: Jim, FIRST thing to do is purge the gas line ,quite possible you have air in there. crack the ... | |
| Black Filter | 11/12/2008 |
| Q: I went to change my filter tonight and for the first time it was black. it has never been black ... A: Trey, If your air filter is in a furnace ,you could try to put another filter ( attach it )on your ... | |
| Trane Heat Pump | 11/11/2008 |
| Q: I have a 3 ton Trane Heat Pump, around 4 yrs old. I just started running the heat pump lately, ... A: Rich, When you check the pressures,what was the pressures when you were running at 7 amps. vs 11-12 ... | |
| Gas Furnace | 11/9/2008 |
| Q: I have a Bryant Gas furnace that is approx. 14 years old. The standing pilot continues to go out ... A: John, Check pilot orifice to make sure it's not partially plugged, The orifice is quite small, blow ... | |
| problem with Ameican Std furnace | 11/8/2008 |
| Q: I have a 3 1/2 yr old American Std Freedom 90 single stage furnace that is acting up ... A: Jim, The fan is on a time delay ,so as long as it's calling for heat it will start after a ... | |
| GMNT 100-4B Goodman furnace | 11/8/2008 |
| Q: Will not ignite and had worked fine until today. Circuit panel blinks red with intervals of one. I ... A: Wayne, look at wiring diagram on inside of a panel.Did not find GMNT 100 series on web site . Look ... | |
| leak at elbow area of pvc pipe coming from heater | 11/7/2008 |
| Q: First, why is there condensation in a forced air heater--with no air conditioning hooked up? We ... A: Dave, Moisture is a by product of combustion ,so they say. Guessing the large PVC pipe is 2" for ... | |
| Holly forced-air heating fan stays on | 11/6/2008 |
| Q: I have a Holly brand forced-air heater in a closet-type space. My thermostat works fine, as the ... A: Andy, From my experience "Summer Switches " bypass the t-stat and starts the fan and the fan will ... | |
| Rudd gas furnace | 10/29/2008 |
| Q: Started Rudd gas furnace for first time this year. Only 2 of the ports ignite. Cleaned and blew ... A: Todd, No mention if propane or natural, would need to check gas pressure at main gas ... | |
| 20 yr old gas furnace | 10/29/2008 |
| Q: Have a 20 yr old gas furnace, and the pilot light keeps going out! I replaced the thermocouple, no ... A: Don, If you have a "standing pilot" ( stays on all the time )could very well be the main gas valve. ... | |
| Forced Air Oil Furnace Over Temp | 10/20/2008 |
| Q: Greetings Craig! I have a 20+ year old Janitrol/Goodman/Ducane/Webster forced air, up-draft, oil ... A: Brian, Anytime a unit goes off on high limit ,for me the first thing I check is for not enough air ... | |
| HVAC Fan Problem | 10/19/2008 |
| Q: I have an Intertherm Central heating and cooling unit, made in 1995. In heat mode, the fan comes on ... A: Terry, I would look at what brings on the fan in heat mode they use a time delay relay that will ... | |
| Air Handler | 10/15/2008 |
| Q: We are having a new Carrier 3 Ton 13 Seer Air Handler installed. What other services (i.e. flush ... A: Beth, No mention where the Air Handler is being installed, if in attic ,highly recommend an ... | |
| Electric Heat stages | 10/14/2008 |
| Q: If I have a variable speed electric blower, a heat coil, and a multi-stage T-stat. What is the ... A: Don, Staged heat is usually a heat pump being the first stage and if it cannot handle the load a ... | |
| Need Help Trane models | 10/12/2008 |
| Q: I need to replace my central Heating & Air unit. I had two estimates both are in the same price ... A: Judy, Looked briefly at Trane website on those models, both appear to be 80 + efficient range, ... | |
| Adding second tank for fuel oil furnace | 10/12/2008 |
| Q: My husband bought a second 275 gallon tank for our daughter's fuel oil furnace. The original tank is ... A: Debbie, Living in New England and having two 275 gallon tanks in my basement. I have two separate ... | |
| 13 seer to 10 seer coil | 10/10/2008 |
| Q: I am in the process of taking estimates to replace my A/C unit in my home. It is a 10 seer ground ... A: Jo, In my opinion both units need to be replaced ( using a matched indoor unit to outdoor unit )to ... | |
| new heaters and acond units | 10/8/2008 |
| Q: I am shopping around for a new heater and ac unit and have never heard of Gibson. I was wondering ... A: Jeff, Gibson been around over 60 years and is under the Nordyne Manufactory Company along with ... | |
| Armstrong Ultra 80 won't ignite | 10/8/2008 |
| Q: I’ve got an Armstrong furnace that won’t go past the pilot ignition stage. What it does when I call ... A: Joe, Look at wiring diagram on unit possible a roll out switch is open (if equipt.),would be a ... | |
| Outside unit not running like it should | 10/5/2008 |
| Q: My Coleman EB15b Heat pump has not been running right. It will run during the day and cool just ... A: David, Doubt one capacitor is causing all your problems more like incorrect wiring or low voltage ... | |
| AC runs 1hr+ to cool down 1 degree | 9/21/2008 |
| Q: Had a TempStar 3 ton 13 seer installed in my 1500 SF mobile home.They replaced my duct work at the ... A: CD, Need to check the temperature difference between the supply grille and the return.Run only the ... | |
| outside condenser | 9/21/2008 |
| Q: I recently lost power for about a week. The outside condenser unit turns on and off now since power ... A: Craig, I am assuming that the compressor and condensor fans start OK and your indoor fan starts ... | |
| HARD START | 9/21/2008 |
| Q: I RECENTLY BOUGHT AND INSTALLED A GOODMAN 14 SEER 4 TON AC WHICH HAS A COPELAND SCROLL COMPRESSOR. ... A: David, As far as the correct charge goes, When you buy the equipment the total charge is shipped ... | |
| a/c condenser fan replacement | 9/20/2008 |
| Q: would a three bladed fan make my 036jaz rudd condenser quieter? I'm r&r,ing the fan motor because ... A: David, Personally I would change the motor and capacitor and use the original blade first before ... | |
| circuit board failure or not? | 9/17/2008 |
| Q: we have a problem with our gas central air unit not heating... called a repairman he told my wife (I ... A: Maurice, Google HVAC parts ,their are many stores that will sell to the public. Need model and ... | |
| Heat Pump for cooling | 9/16/2008 |
| Q: My heat pump stopped going on and off yesterday and I hit the red pressure button and it came back ... A: George, Several things could be causing unit to trip on high pressure. Possible HPS is out of ... | |
| Matching an evaporation to an a/c compressor | 9/16/2008 |
| Q: The 27 year old Dayton (now Grainger) residential 3 Ton air conditioner with an outside compressor, ... A: Paul, Tech. is correct in recommending replacing indoor coil along with a MATCHED outdoor unit. You ... | |
| compressor problems????? | 9/14/2008 |
| Q: What would cause a compressor to operate with the conditions given below? Liquid line pressure is ... A: Scott, First check that the outdoor coil is clean , and has good air flow thru the condenser ... | |
| Heat pump not heating well | 9/13/2008 |
| Q: I live in Canada and had a new 2 ton Lennox XP15 heat pump installed in June. Now that it's cooling ... A: Keith, No mention from you as far as to the return temperature,your return temperature has a great ... | |
| Freon in a Goodman | 9/7/2008 |
| Q: How many pounds of freon should be considered normal in a 3 ton goodman heat pump system. I believe ... A: Roscoe, It should state the total charge on the outdoor unit data plate (includes the indoor unit ... | |
| A/C fan, must spin manually to start | 9/7/2008 |
| Q: Now whenever I turn my home A/C on, I MUST go out and give the fan a slight push (with a stick or ... A: Curt, Did they replace the motor with an exact match. Correct amp.correct horsepower and Rpm and ... | |
| INTERTHERM PAS036x A Coils | 8/16/2008 |
| Q: Where can I locate the above A coils? these coils are sitting on a furnace intertherm FEB 017h which ... A: Russ, Nordyne owns intertherm, you would need to call the manufacture to locate a distributor in ... | |
| Bryant evaporator coils | 8/14/2008 |
| Q: On July 24, 2008 we replaced our outdoor R-22 compressor with a new Bryant legacy line puron ... A: Lorinalujan, The indoor unit is made for R22 refrigerant only not R410A.Unless he can proof that ... | |
| Goodman gmpn 080-4 rev a | 8/13/2008 |
| Q: I purchased the Goodman Gmpn 080-4 Furnace used and would like to know what size ac or heat pump ... A: Jon, Look at the install guide that comes with the unit ,it should tell you what is the maximum ... | |
| Goodman condenser compressor | 8/12/2008 |
| Q: My son had a Goodman condenser replaced last November but the contractor did not run it (late in the ... A: Gary, Possible the contractor did not open the brass service valves on the unit remove the caps ... | |
| Water leaking from Carrier indoor unit | 8/11/2008 |
| Q: I just returned from a week vacation, and to my surprise, our basement carpet was soaked with water. ... A: Matt, Plugged condensate drain would be my guess, They should be blown out occasionally or if you ... | |
| central a/c | 8/11/2008 |
| Q: The cooling fan motor on my outside unit of my central a/c runs continuously. It is a 220v fan ... A: Joe, Yes,usually they run at a slower speed or even backwards, try ohming out motor to ground. ... | |
| Cooling | 8/7/2008 |
| Q: I live in Florida It was in the 90's today. Around 6:30 pm I notice house seemed warm. The ... A: John, Clean the outdoor coil really well and check to make sure outdoor fan is rotating at full ... | |
| Payne 2.5 ton pkg. heat pump | 8/2/2008 |
| Q: Installed unit on my home.Started unit in cool mode.Blower fan started, but compressor and condensor ... A: Mark, Doubt defrost relay is your source of problem ,double check your wiring .Remove t-stat to ... | |
| Day & Night Model 398AAV | 7/28/2008 |
| Q: When I turn on my a/c (78 degrees) the unit turns on like normal. After about 3-5 minutes the ... A: Brian, You would need to start by putting system in A/C mode and using a voltage tester check to ... | |
| age of AC unit | 7/23/2008 |
| Q: hOWdo I determine the age of my York condenser unit? A: Doug, Get model and serial number from data plate, usually the date is in the serial number.For ... | |
| old Rheem system | 7/6/2008 |
| Q: I'm looking into whether the a/c side of an old (25 yrs. ?) Rheem system (outside package unit) ... A: Tab, You should not need much refrigerant as the pressures are not that off. ( it's not like the ... | |
| Thermostat wireing | 7/6/2008 |
| Q: I am trying to replace my 15 year old thermostat with a digital thermostat. There are 4 wires( ... A: Jerry, G to green ( runs indoor fan ) Yellow to y1 but you state that is for heat pump application ... | |
| Reversible Heat Pump | 6/30/2008 |
| Q: I am having the heat pump in my house replaced and I am a little unsure as to what to get. My ... A: Rob, As far as going with a 3.5 ton vs 4 ton you can buy the software and do a heat loss and heat ... | |
| central air | 6/5/2008 |
| Q: I tried my ac today but it did nothing. I checked the circuit breaker and that is on. The only ... A: Keith, Furnace power needs to be on ,(Furnace can be broken yet A/C can work ) which feeds the ... | |
| Condensate pumps on humidified furnace | 5/30/2008 |
| Q: I would like some advice on what to do with a failure problem we have with condensate pumps on our ... A: Evan, Need to buy a pump that is rated for the proper lift may need to install a check valve on ... | |
| residential A/C compressor | 5/22/2008 |
| Q: I have a Copeland 2.5 ton compressor Model 2R28K1-PFV-230 that is 11 years old (it's in a Carrier ... A: Edwin, Residential compressors come as hermetically sealed with rubber plugs at the openings and ... | |
| Snyder GENERAL RTU | 5/13/2008 |
| Q: SNYDER GENERAL RTU MOD R160ETYC 460V 3 PH I INSTALLED A NEW COMPRESSOR ON THIS UNIT .ORGINAL ... A: Phil, First thing to check with a 3 phase scroll is rotation, unlike a reciprocating compressor ... | |
| Hunter Thermostat | 4/28/2008 |
| Q: I have a mobile home heat and ac unit and I am having a problem with the thermostat. I bought a new ... A: Mark, I don't see how you can possibly run A/C and Heat with ONLY a 2 wire thermostat. You need at ... | |
| Transformers | 4/27/2008 |
| Q: I have a transformer that is bad on my heat pump. The numbers are.HTO1AW230E CLASS 2 CIN TRAN ... A: George, Most cases the transformer controls the outside unit also even thou the transformer is ... | |
| weak air conditioning | 4/14/2008 |
| Q: I am renting a house in Los Angeles. The house has Central Air. It is a one story dwelling and all ... A: Scott, Having it serviced would be my only suggestions to make sure it's working at it's peak ... | |
| loud buzzing coming from reversing valve | 4/13/2008 |
| Q: My YORK AC unit works fine however it has a loud hum or buzzing coming from the reversing valve. ... A: Fred, It's a common sound, sometimes you can quiet it down by tightening the nut that holds the ... | |
| compressor stays on after temperature is satisfied | 4/13/2008 |
| Q: What could be keeping the compressor running when the thermostat is satisfied and the air handler ... A: Linda First thing to check would be the compressor contactor which controls the outdoor fan also. ... | |
| Air conditioning | 4/11/2008 |
| Q: I bought a house a couple of years ago. The air conditioning unit is probably 6 years old. It will ... A: Patti, First thing that comes to mind is that when the unit starts the low side refrigerant drops ... | |
| upper limit switch on furnace, having to reset | 4/10/2008 |
| Q: Have a goodman 100,000 output GMPN series, Multi-position furnace 12 years old installed in the ... A: Gary, Not enough air flow across heat exchanger due to but not limited to would be a good start. ... | |
| Thermostat stoped working | 4/2/2008 |
| Q: My thermostat quit working completely. No fan, no a/c, no heat. I checked the breaker and it wasn't ... A: Lesa, Sounds like you do not have 24 volt control power due to Bad transformer, low voltage ... | |
| heat won't turn on | 4/1/2008 |
| Q: I have set the control to fan only and the blower will turn on. When I set it to auto for the heat ... A: Keith, What happens if you put fan to "on" and called for heat? does everything work ok? ( heat ... | |
| Honeywell Thermostat | 3/31/2008 |
| Q: I have a RTH7500D Honeywell thermostat controlling a 19 year old 5 ton Trane single stage heat pump ... A: John, I looked briefly at your stat @Honeywell website installation instructions,on a pdf file, ... | |
| Room addition HVAC needs | 3/30/2008 |
| Q: We are building a room addition of approximately 400 square feet and need a unit to cool/heat the ... A: Donna, The smallest Air Conditioning Unit using duct work would be 1.5 ton or 18,000 BTU. My ... | |
| heat pump | 3/29/2008 |
| Q: hello i live in a mobile home 14wide 80ft long would you know what size heat pump i would need to ... A: Jeff, You can buy the software and do it yourself Correctly instead of me giving you a rule of ... | |
| new trane heat pump did not get new air handler | 3/28/2008 |
| Q: I recently replaced my outdoor unit heat pump with a trane 3.5 ton unit. I replaced a comfort maker ... A: Ann, Part of the reason your Electric Heat comes on is the wiring diagram is different because of ... | |
| 1994-95 coleman heatpump | 3/27/2008 |
| Q: we are trying to find the model number on our heat pump it was on a silver sticker on the outside ... A: Douglas, Yes , indoor units have model and serial numbers also .But are a little different from ... | |
| Contactor won't close/Installed new compressor | 3/26/2008 |
| Q: I'm a mainteance tech and i installed a new compressor on a 1.5 ton goodmand split system.The ... A: Sterling, Is your unit equip with a low pressure switch ??,If yes than that would be a reason. ... | |
| AC | 3/25/2008 |
| Q: The AC fan comes on for about 1 min then shuts off for another min then comes back on for a min. I ... A: Scott, I'm assuming your talking indoor fan , need to check voltage at fan relay to see if its ... | |
| split system air conditioner squeak | 3/20/2008 |
| Q: I have a split system air conditioner sorry don't know the brand name. Over the past few months it ... A: Candice, From what I can gather from your description it sounds like the blower motor itself , or ... | |
| gas water heater vent | 3/19/2008 |
| Q: I recently sold my home and the inspector said that the exhaust vent from my gas water heater was ... A: Ron, You can go to yahoo and put in "Furnace cement ". shows many on line Companies costs around ... | |
| Central A/C water (by-product) | 3/16/2008 |
| Q: At the end of last summer/fall the air intake (located in the ceiling of one of my rooms) began ... A: Thomas, Are you describing the V-bend as your trap that comes out of the air handler unit ( fan ... | |
| Heat pump | 3/12/2008 |
| Q: I'm hoping to install a forced air heat pump in a new two storey home (building in Canada) PLan on ... A: Krista, You have several options, you can consider installing two units one for each floor. Air ... | |
| rheem compressor problem | 3/10/2008 |
| Q: I have a 10 year old rheem central a/c onit 4 tons. About three years ago everytime the thermostat ... A: David, Replace the compressor contactor if it's the original,points may be corroded and not ... | |
| Rheem Furnace | 3/7/2008 |
| Q: I have a Rheem model 09EZAJS about 3 years old. Unit starts, goes thru ignition and burner lights. ... A: John, I'm taking the " blower stays on to clear gas " your meaning the ventor motor vs the indoor ... | |
| unit size | 3/6/2008 |
| Q: i was wondering if any one could tell me the size of my kenmore cental unit by the model number im ... A: Tim, I don't know what size unit you have based on those numbers ,usually there are numbers with ... | |
| burnt hair smell from register on central heat and air unit | 3/5/2008 |
| Q: I have a Goodman Central Unit all electric. This p.m. I noticed a burnt hair smell coming from the ... A: Jim, Usually when the electric heat is run for the first time in heat mode you will get an ... | |
| Heater | 2/27/2008 |
| Q: I have a magic chief forced air furnace. It just stopped working. The pilot light is out. I tried ... A: Jodi, From your write up it suggest you have a standing pilot meaning it's on 24/7 vs a spark ... | |
| How to repack a suction king valve? | 2/26/2008 |
| Q: Is it just a matter of recovering gas and loosing packing nut? Will I find a bad gasket or o ring in ... A: Gene, I'm not aware of rebuild kits for service valves for refrigeration unlike steam valves.In the ... | |
| Goodman 13 Seer Split System | 2/22/2008 |
| Q: We had our old system, a 17 year old York split system, replaced with a Goodman Split System ... A: Dottie, What type of system was your York unit, a Central Air Conditioning with electric heater ... | |
| Heat pump thermostat control | 2/21/2008 |
| Q: I recently installed a new heat pump and air handler; the heat pump runs fine, but when the heat ... A: Pete, Does the green light come on only when it's in defrost or does it come on also when the 2nd ... | |
| ac/ heat pump window unit | 2/20/2008 |
| Q: I have an Amana AH183A35MA 18,000 BTU Heat Pump room AC with auxiliary electric heat unit is less ... A: Tammie, I checked their web site @amana-ptac.com under WRAC series, AH18 It shows the installation ... | |
| furnace issues | 2/19/2008 |
| Q: my gas furnace comes on but the burners go out periodically, then come back on. the blower remains ... A: Amy, I would lean more to unit tripping on a high limit switch as you state burners go out ... | |
| York furnace schematic | 2/16/2008 |
| Q: I need to find a york furnace schematic for a model#P2MPD14N08001E. Looked on the internet to no ... A: Bob, You might want to try a York Distributor in your area. Not a dealer but a Distributer.Go to ... | |
| emergency heat | 2/13/2008 |
| Q: What is function of "emergency" heatcoil switch. I've heard it should be used if outside is below 38 ... A: Dale, Emergency heat mode is used mainly if your heat pump unit outside breaks. While in that mode, ... | |
| HEAT NOT BLOWING | 2/8/2008 |
| Q: OUR HEATING FURNACE AT HOME/NORTHERN CALIFORNIA (MODEL GMP075-4 CARRIER) 13 YEARS OLD, HAS AN ... A: Chris, The way I read your problem is that it starts ok but has problem with a restart ( as you ... | |
| What temp to switch HP off | 2/7/2008 |
| Q: I have read that HP efficiencies drop off at about 40 degrees. I have a Honeywell Visionpro 8000 and ... A: Robert, Ask five Experts and you probably will get five different answers.You can start at say 35 ... | |
| Rheem Heat Pump | 2/6/2008 |
| Q: I am trying to figure out if I need a tech guy to come out and examine our heat pump. The heat pump ... A: Brandi, I don't know what your referring to when you say "there has been no activity for quite a ... | |
| Freon leak tsting | 2/2/2008 |
| Q: My heat pump and AC unit run low about 2 times a year..They get refilled by maintenance man. He said ... A: Marty, The word your looking for is refrigerant,look for any oil stains on any fitting .take a ... | |
| Air Flow | 2/1/2008 |
| Q: Our house is 2100 sq ft, and we are getting very little air flow to the most distant 2 of our 3 ... A: Gary, Does your duct work have balancing dampers on each branch line take off ? If not you may ... | |
| Compressor not running | 2/1/2008 |
| Q: I have a 1992 vintage Tempstar heat pump unit. I had the compressor replaced 2 years ago. The ... A: Barney, Look at the capacitor closely to see if it mushroomed or leaking at the terminals,with any ... | |
| Swamp Coolers and Heating | 1/29/2008 |
| Q: We are currently planning to build a house in Carrizozo, N.M. and are seriously considering the ... A: KW, If you researched all those products on the web ,you probably can answer most if not all of ... | |
| AC Problem | 1/28/2008 |
| Q: A few years ago, I moved into a new house and installed dining room AC in the wall to cool off ... A: Joe, Window unit...,you may need to run your fan on high speed to try to get as much air across ... | |
| short cycle furnace | 1/27/2008 |
| Q: I have a carrier 58pap furnace . It is 15 years old This is the cycle, The burner lights, blower ... A: Steve, There is no mention if the t-stat cycled off after the 4 minutes.Is the t-stat still calling ... | |
| humidifier | 1/26/2008 |
| Q: The expert can't answer your question. Your Question was: I installed a honeywell he120a ... A: Larry, I read up briefly about that model , Honeywell states supply air temperatures of 120 ... | |
| Bad Compressor | 1/25/2008 |
| Q: We live in Tennessee and just purchased this house in June. It has 2 Goodman A/c units. A 3 ton up ... A: Dan, Did your electric rates change recently. The state I live in increased 30 % in one year ... | |
| carrier weathermaker 8000 code 33 | 1/24/2008 |
| Q: ii have a carrier weather maker 8000 the thermostat is blank (no power) the blower motor runs ... A: Roger, Besides calling for service, you can check your t-stat for 24 volts if you have a meter .go ... | |
| Rheem 1215T Heat Pump | 1/18/2008 |
| Q: First of all, thank you for being available on this forum to answer questions like this. I am not ... A: LIoyd, Don't know what the clicking sound would be from your indoor unit. On the regular Heat pump ... | |
| Rheem inducer vibration | 1/17/2008 |
| Q: My Rheem furnace is approx. 10 years old and regularly maintained. A few weeks ago, the inducer ... A: David, The Squirrel cage assembly or the small ventor motor was changed? Reading your write up it ... | |
| Bryant Heat Pump | 1/16/2008 |
| Q: Just bought a Bryant Heat Pump in July of 2007. It is a "split system", 3 ton 13 seer. We invested ... A: Stacy, Your heat pump goes into a defrost cycle using a strap on t-stat/sensor on one of your ... | |
| Funny odor every time heater turns on | 1/16/2008 |
| Q: We notice a peculiar odor not unpleasant but pungent every time our heater turns on. It stays for a ... A: Kristine, Don't know what type of heat you have?, I know with electric warm air furnace sometimes ... | |
| fan direction on outside unit | 1/11/2008 |
| Q: my rheem outside unit has 2 fans. Just noticed they are blowing in opposite directions of eachother. ... A: Byron, Assuming your talking about the condenser fans. If so one fan may not be on (fan may be on ... | |
| Rheem Heat Pump AC reset issues | 1/11/2008 |
| Q: I have a 2004 heat pump unit, routinely it requires a reset in order stay on. In both AC and heat ... A: Daren, Difficult to troubleshoot something via Internet at times,What reset are you talking about ... | |
| heat and air unit | 1/10/2008 |
| Q: My sister has a TAPPAN model EHF 27-24-41 the problem is sometimes the heater stays on past the ... A: JW, With the info you gave,if you have the old mercury bulb style t-stat good chance it's out of ... | |
| Dehumidifiers | 1/9/2008 |
| Q: I have a dehumidifier with settings of 35, 40, 45, 50%. If set at 35%, does this mean it attempts to ... A: Ken, try this website http://www.allergyconsumerreview.com/acr-62.html#508 .They recommend 45-50% ... | |
| jenn air refridgerator | 1/8/2008 |
| Q: have a jenn air side by side fridge/freezer that it is about 7 years old. There is water leaking ... A: Renee, I prefer to answer questions concerning residential Heat Pumps and Air conditioning as my ... | |
| central air | 1/7/2008 |
| Q: I have a 10 seer system and the condenser (5) ton needs replacing. Can I purchase a 10 seer anywhere ... A: Stephen, You may still find one by asking a contractor but I Doubt you will find a 10 SEER unit as ... | |
| Janitrol Gas furnace vent motor won't start. | 1/7/2008 |
| Q: I have a Janitrol gas furnace only 2 years old, and recently the main power line failed and the unit ... A: Tom, Thought I answered this already 1/07/2008 Your low humming noise may be your transformer,which ... | |
| Janitrol Gas furnace vent motor won't start. | 1/6/2008 |
| Q: I have a Janitrol gas furnace only 2 years old, and recently the main power line failed and the unit ... A: Tom, Your low humming noise may be your transformer,which would be a normal sound if that is where ... | |
| Kenmore Heating and Cooling Unit Defrost | 1/5/2008 |
| Q: A tech came out to the house and said we were missing a part pertaining to the defrost function. He ... A: Kim, Guessing a part was not functioning and he had to order one .I am assuming your Heat Pump was ... | |
| LP to Natural Gas conversion | 12/27/2007 |
| Q: I have a used furnace that was converted to LP. Is it possible to convert back to Natural Gas? The ... A: Dan, From the factory they ship units as natural gas, they make propane conversion kits but I don't ... | |
| Heat pumps | 12/21/2007 |
| Q: When the W or W2 terminal is energized on the heat pump, does this shut down the compressor? A: Dale, When W2 energizes it should bring on 2nd stage heat ( if equipt.) the outdoor heat pump ... | |
| Heater Fan Problem | 12/20/2007 |
| Q: "Auto" fan switch for heater (at thermostat) won't turn on gas heater (BUT it does work well for AC ... A: Don, When in heat and "fan auto" ,the blower fan turns on either by a TIME delay Relay at a set ... | |
| furnace won't stop heat pump won't start | 12/20/2007 |
| Q: I have a chronotherm 3 thermostat, Lennox CB19/CBH furnace and a Lennox HP19-651-6d heat pump. The ... A: Dawn, What does not turn off the furnace or furnace fan?? If it's the fan first check to make sure ... | |
| existing heat pump | 12/19/2007 |
| Q: Existing York heat pump 31/2 tons installed 17 years ago is still working. I would like to make ... A: John, It's recommend by the manufactures also some Manufacture may not warranty the outdoor unit ... | |
| extra inline vert fan relay | 12/18/2007 |
| Q: I have a Payne heat pump, Payne AC and gas unit. I put in an extra air booster and had electrician ... A: Rick, Probably the easiest way would have been to hook up the fan(s) in parallel (if they were the ... | |
| dual fuel heat pump/propane setting | 12/18/2007 |
| Q: We recently had a Trane XL14i heat pump/Trane XR90 propane furnace system installed, with a ... A: Chad, I looked up your t-stat on line.Honeywell lists 43 different models.I am not familiar with ... | |
| Outside unit not working | 12/17/2007 |
| Q: Brief history on this unit (and forgive my terminology if it is wrong) 1984 Coleman heat pump ... A: Jay, First off, when you physically switch to EMERGENCY HEAT at the stat it's suppose to lock out ... | |
| Heat Pump Replacement vs. Compressor Replacement | 12/17/2007 |
| Q: I currently have a Janitrol HP circa 1993 model 2 ton that cares for the upstairs comfort in my ... A: Mike, What is the condition of your existing unit ,does it have many of the original parts? never ... | |
| Replacement Fraser - Johnston gas valve | 12/15/2007 |
| Q: I have a Fraser - Johnston gas furnace in my home. The gas valve is sticking on, so I need to ... A: Bruce, I would call an HVAC Company to install or at the very least you can buy one at and have an ... | |
| Funrance won't turn off | 12/15/2007 |
| Q: I have a Lennox natural gas heater that is at least 35 years old and works great. I replaced the ... A: Cliff, First I would not be too concerned about your increase fan speed when you switch from auto ... | |
| dunham spacepak issues | 12/14/2007 |
| Q: I HAVE A 1971 SPACE PAK SYSTEM BY DUNHAM. THE BLOWER MOTOR WENT BAD AND CAN NOT BE REBUILT. DO YOU ... A: Rich, Found another person or maybe it's your listing that has the same problem at another web ... | |
| HVAC Dry Air | 12/13/2007 |
| Q: My HVAC unit dries out the air in my home. We wake up with dry mouth. Any suggestions? A: Robert, Warm air furnace ,install a furnace mounted Humidifier to handle your particular sq. ft. ... | |
| new furnace | 12/12/2007 |
| Q: can you give me direction on buying a new gas furnace.i have my eyes on a 95% armstrong.can you ... A: Mark, Armstrong is owned by Lennox, Certainly one of the bigger Manufactors with many distributors ... | |
| Tempstar 80% gas furnace | 12/11/2007 |
| Q: Is there anything I can do to lessen the noise from the burner ignition and the inducer fan ... A: Ryan, Was your unit installed recently by a reputable Contractor, if so what did they say? You can ... | |
| Oil Furnace HELP | 12/10/2007 |
| Q: I purchased another home with an oil furnace it worked fine the first week although i had to reset ... A: Randy, When was the unit serviced last??,If the previous home owner had it serviced he/she ... | |
| changing T-stat | 12/8/2007 |
| Q: I have a Nordyne (model Q3RA-024K) 2 stage heat pump and 1 stage cool system and want to change my ... A: James, First I would say call Hunters toll free number on the installation instructions during ... | |
| Lennox Air Unit | 11/30/2007 |
| Q: I have a Lennox air unit; i believe it is a 13 series. When I use the heating system in my home the ... A: Brenda, I would call out an HVAC Service Contractor to check the A/C unit .If everything is ok it ... | |
| Carrier Model 28RC024000 Gas Furnace | 11/29/2007 |
| Q: Problem: Thermostat is set to the heat cycle. Unit turns on and flame ignites but the flame shuts ... A: Dwight, Did not find any info on the 28 RC series, are you sure it's not the 58 series. If you ... | |
| Goodman Heat pump operation | 11/28/2007 |
| Q: . Just installed a Goodman Heat pump, 3 Ton, 13 SEER, HSPF = 9.5 c/w a Goodman A/H unit with 2 ... A: Dale, The installation guide that comes with the Air Handler clearly shows how to hook up your ... | |
| Goodman PH036-10 | 11/27/2007 |
| Q: My heating/air unit's air hander fan wants to go out when it runs for a while now that the Tennessee ... A: Burton, To prove it's your blower motor you can go to your t-stat and put the fan selector switch ... | |
| Central AC Unit Constant Buzzing | 11/21/2007 |
| Q: I have a GE Model RWF948C10000 heating and air conditioning unit in the house on the floor level ... A: Stefan, I'm taking the sound is coming from the fan section ,if so more than likely it's the ... | |
| Humidistat Wiring | 11/14/2007 |
| Q: I have a humidistat (I forget the brand) connected to an older model Aprilaire humidifier. I want ... A: Ross, The humidistat just breaks one leg and is not directly hooked up to the transformer,you ... | |
| Return Air Registers | 11/13/2007 |
| Q: In my 18 year old home here in Lakeland, Florida, I have 1 (one) return air register. It is located ... A: Joe, For the most part one central return is adequate if you have say a ranch style home.( most ... | |
| replace with hvac or heat pump | 11/10/2007 |
| Q: i live in a 150 yr old home. Downstairs, we have a 9 year old heil 9-10 SEER self enclosed propane ... A: Phil, Sounds like you have a "packaged unit" everything in one box vs a split unit. What fan are ... | |
| comfortmaker vs gibson | 11/9/2007 |
| Q: which is a better unit Comfortmaker sx 2300 R410A or Gibson 13 seer ? Thanks. A: Russell, I didn't go into great detail looking them up on their web site on either brands but the ... | |
| Heat Pump Question | 11/8/2007 |
| Q: I have a newer Goodman heat Pump 13 seer 3 ton. I have a couple of questions and I would really ... A: Sheridan, Question 1, yes the air fluctuates depends on outdoor temp. it may be as high as 115 on ... | |
| LENNOX GAS Furnace | 11/7/2007 |
| Q: My mom has this LENNOX Gas Furnace. It has been wired for the fan to run constantly, and I am ... A: Carlos, The wiring diagram should be located on the inside cover somewhere either the blower access ... | |
| Trane XL80 Pressure Switch Code Problem | 11/5/2007 |
| Q: Just replaced an exhaust fan after unit sat for the winter. Furnace started fine and no problems. ... A: E, Where is the trouble shooting Guide usually it's left on the job.If your unit is not that old ... | |
| Thermostats & transformer | 11/4/2007 |
| Q: Joe: My older Amana heat pump compressor went out. Since I am putting in a hydronic system and it ... A: Q, Welcome to the real world of troubleshooting HVAC units. If you have the fan circuit running ok ... | |
| crappy janitrol | 11/3/2007 |
| Q: My grandmother has a janitrol air conditioner/gas furnace package and when you turn it on the ... A: M, The blower motor is not turning is what I'm getting from your description, I assume the A/C ... | |
| Amp draw of a blower motor? | 11/2/2007 |
| Q: My central heat and A/C fan has not come up to full speed accompanied by a strong smell of hot ... A: Erik, Indoor fan use run cap not start. The 7 amp does not include a service factor amps of maybe ... | |
| Heat Pump | 11/1/2007 |
| Q: I have a Trane heat pump model TWP042C100A3. The unit is not heating properly and the aux. heat ... A: Dexter, Don't bother checking, Buy new one cost $20.00 .pull out the old one ,clearly marking ... | |
| Rheem heat/air conditioner (heat pump) | 10/31/2007 |
| Q: We are seniors and have a few rental units with Rheem heat/air (heat pumps) They were built in ... A: Jerry, You can buy from the Internet, yahoo or goggle to find a company,only problem with Rheem ... | |
| Pumpdown | 10/26/2007 |
| Q: I would like you to explain to me how the service valves work on a standard split system. If i turn ... A: C, YES you are correct turn in the high side ( 3/8" line ) run unit observe if it gets to real ... | |
| Line Set Sizing | 10/25/2007 |
| Q: I am in the process of installing split AC that calls for a 3/4" suction line.The question is there ... A: Rich, What tonnage are you talking about ??? Rule of thumb if its a 3 ton and less than 25 ' of ... | |
| Air Handler Thermostat | 10/24/2007 |
| Q: I live in a very old building with a peculiar HVAC system. The building pumps hot water in the ... A: Andrew, Just because there is 120 volt feeding the air handler does not mean you have a 120 ... | |
| Contactor and relay | 10/23/2007 |
| Q: I had a certified air conditioning company out to inspect my heating / air conditioning unit. I was ... A: Joe, 32 years out of the original contactor is Great!! buy from grainger.com contactor is probably ... | |
| 13 seer | 10/19/2007 |
| Q: I have a 14 year old 12 seer air cond, compressor is shorted out. Can i just change outdoor unit or ... A: Chad, If you have a piston for a metering device ,if you want to go to 13 SEER by just changing the ... | |
| gas furnace | 10/18/2007 |
| Q: I'm renting an old apartment temporarily and the furnace is making me a little nervous. It sounds ... A: AMY, gas coming up thru the house would indicate a cracked heat exchanger. you would notice a ... | |
| condensing unit tripping main breaker | 10/17/2007 |
| Q: I have a three ton goodman condensing unit and it keeps tripping the main 125 breaker. I checked ... A: Jay, Probably the double 30 inside is arced so it will not trip .Check it by turning it off and ... | |
| A/C not working | 10/11/2007 |
| Q: I'm having a problem figuring out what is wrong with my home central air conditioner. The outside ... A: Mark, 24 volts at the Contactor Coil is what your looking for when your calling for cooling.When ... | |
| On heat pump | 10/2/2007 |
| Q: I have a York heat pump, model E4FH036S06A. I have lost the manual. I need to know what the ... A: Kathy, Try calling York in Pa. they must have a technical department that can assist you. ... | |
| Air Handler | 10/1/2007 |
| Q: ! I am needing to replace my air handler. It is 3.5 ton but I was wondering if anything bigger would ... A: Jessica, Pretty much any brand 3.5 ton should be ok ,If your were to change the outdoor and indoor ... | |
| Fan on, no air. | 9/30/2007 |
| Q: I have a Payne A/C unit, heaven knows how old, but I'd hazard a guess at minimum 15yrs. Works like ... A: David, turn the fan on only by moving the fan "auto" to "on" position, observe the air flow , ... | |
| Wire cut | 9/29/2007 |
| Q: I have a Rheem Corsaire HVAC, my landscaping team accidentally cut the sensor wire that goes out to ... A: Suby, assuming the sensor wire your talking about is the low voltage control circuit, shut off ... | |
| Heat Pump Problems | 9/27/2007 |
| Q: I have a problem. About a week and a half ago, I had a heating/air conditioning repair person come ... A: Harold , Reset button is probably the high pressure switch , the part for the outdoor fan was ... | |
| compressor freezes on my heat pump | 9/25/2007 |
| Q: i have underground source heat . if i take a garden hose and place it in the inlet anothe hose on ... A: Rick, Are you referring to the air conditioning coil freezing? To check if your underground coil is ... | |
| Water collecting in basement air handler | 9/23/2007 |
| Q: The air handler in my basement is collecting water below where you install the filter - I just ... A: Ken, Drain is plugged , need to clear your drain line if you have a condensate pump that may be ... | |
| AC hardly blowing through vents | 9/22/2007 |
| Q: My air conditioner is running, blowing cold air through the vents in my house, but the air is not ... A: Christy what is the history of the unit was it always like this? if so there may not be anything ... | |
| goodman heat pump package unit 42000btu | 9/22/2007 |
| Q: Unit will come on, air will blow, unit satisfies goes into defrost, unit seems to be operating right ... A: Harold Do you have backup heat such as electric if so are they staying on. Reversing valves ... | |
| residential equipment | 9/19/2007 |
| Q: Joe, Will you provide me your opinions on the following. a) Is installing an electronic air ... A: Barry, I am assuming the air handler was going in the attic, if so yes , use a garden hose from ... | |
| residential equipment | 9/18/2007 |
| Q: Joe, Will you provide me your opinions on the following. a) Is installing an electronic air ... A: Barry, I am assuming the EAC is BEFORE the indoor coil, as long as the drain line does not plug up ... | |
| Split system evaporator won't run | 9/14/2007 |
| Q: My compressor and fan outside are running but my inside evaporator fan won't run. What do I look ... A: Joe, Bound up fan motor open blower motor access panel and free spin the blower wheel ,it should ... | |
| Outside a/c unit | 9/9/2007 |
| Q: My roommate had a guy replace a new 35/5 capacitor with a used and all rusted one and I believe he ... A: Dale, First buy one yourself from grainger.com cost $30.00. Dual capacitors have lettering on them ... | |
| Old Mercury Thermostat | 9/8/2007 |
| Q: The expert can't answer your question. Your Question was: Hi all, I have an old mercury ... A: Kerry, your old stat had 2 wires on each hookup probably because they were to thin to carry the ... | |
| AC compressor start-up noise | 9/7/2007 |
| Q: I have recently been noticing a loud noise when my just over 2 year old AC compressor initially ... A: Pete, I have heard compressors make noise on start up, usually refrigerant migrates to the ... | |
| Haier fridge with frost problem | 9/6/2007 |
| Q: It's a fairly new Haier HTE 14WAAWW, but every three months the ice will build up on the coils to ... A: Maryann, could be the timer not turning correctly ( slower than normal due to dirt getting ... | |
| Ice build up on copper pipes inside furnace | 9/5/2007 |
| Q: I noticed that I wasn't getting any cold air in my house. I took the back panel of the furnace off ... A: Brian, Low on charge most likely, also dirty indoor coil or dirty ( plugged filter ) many supply ... | |
| Home Central AC | 9/5/2007 |
| Q: My central home AC isn't blowing any cold air. The coil and outside unit is 13 years old. About ... A: Mike, I answered this question, Reset circuit breaker on panel, go outside to outdoor disconnect ... | |
| central air conditioner | 8/31/2007 |
| Q: We had a small storm today that caused the lights to flicker my wife and I were both at work at this ... A: John, if your handy with an ohm meter you can ohm out the compressor ,follow the 3 wires from the ... | |
| A.C. problem | 8/30/2007 |
| Q: c can mess up because of my condenser inside my house is a little dirty. my ac unit has a heat pump A: The indoor coil is called a evaporator if you have only A/C .You having an Heat Pump the indoor ... | |
| Air Conditioner expansion valves | 8/30/2007 |
| Q: what is the rate/frequency that an expansion valve cycles in a typical system. I have two new ... A: Ron, yes it's the TXV opening and closing according to the load in your house. TXV are better than ... | |
| payne a/c running for long periods | 8/30/2007 |
| Q: i have a payne furnace and a/c system that was installed by previous home owners in 2003. the air ... A: Todd, what is the tonnage? should be around a 2.5 to 3 ton only guessing there is a web site that ... | |
| Cleaning Evaporator Coil | 8/29/2007 |
| Q: I have 2 AC Units one for upstairs and the other for downstairs. Bottom of the Coils got rusted and ... A: Sreedhar, No mention of the age of the equipment , but assuming it's old,you can clean the rust in ... | |
| Serviceman Possible Misrepresentation | 8/28/2007 |
| Q: We just replaced a 2 ton Coleman 12 SEER/2 1/2 ton air handler unit with an American Standard 2 ton ... A: Karen, I looked up the unit on the web PDF .You can check yourself Trane.com website .The "B" ... | |
| Central Air Freezing | 8/27/2007 |
| Q: We live in St. Louis, MO, it's been very hot this summer, we never had a problem with our AC. IN ... A: SYK, Changed filter is a good start, how about the evaporator coil itself ?? if it's plugged ... | |
| A/C blower transformer | 8/27/2007 |
| Q: My wife alerted me to a burning electrical smell.I notice the A/C fan was not blowing and and so I ... A: John, You should be able to run the fan 24/7 if you wanted , with or without the A/C and the ... | |
| ac compressor not working | 8/26/2007 |
| Q: My central air compressor does not come on. The fan does come on. I pulled the disconnect and I ... A: Cp, The bussing is probably the compressor contactor ( which starts the fan also that is a normal ... | |
| No display on thermostat | 8/24/2007 |
| Q: We had a storm go through the area and now my Hunter 44408 thermostat is not diplaying anything and ... A: Chris, t-stat has 24 volt ac , remove t-stat to reveal the subbase wiring hookup should have 24 ... | |
| AC won't cool in the afternoon | 8/23/2007 |
| Q: My house is 1200 sq feet. Just installed is a 3 month old Carrier model 50XP 4 ton AC ground unit. ... A: the "slinky covered with insulation" is called flex duct in the trade.It's difficult to troubleshoot ... | |
| Fan mode | 8/22/2007 |
| Q: Does turning on an air conditioner on FAN mode affect the air conditioners efficiency? A: Nicolas, If you mean turning on the "fan on" option along with the A/C it does not affect the ... | |
| AC won't cool in the afternoon | 8/22/2007 |
| Q: My house is 1200 sq feet. Just installed is a 3 month old Carrier model 50XP 4 ton AC ground unit. ... A: Ralph, Either you have a tremendous amount of glass in your house or high ceilings because a 4 ... | |
| inside blower motor removal | 8/21/2007 |
| Q: How do you remove the inside blower motor on a Tempstar heat pump? A: Dennis, Shut power off,remove access cover, usually there are 2 5/16" hex head screws holding the ... | |
| generator for an airconditioner | 8/19/2007 |
| Q: i want to size a generator for an air conditioner. the air conditioner is having a running current ... A: Arz, I don't know personally what size you would need ,but I know that your starting amps. are ... | |
| House not cooling sufficiently | 8/19/2007 |
| Q: I have a 10 seer 2.5 ton Rheem air conditioner manufactured in 1993. Our brick home is 1100 sq. feet ... A: Shawn, Outdoor coil was cleaned, how about the fins on the outdoor coil are they bent over ... | |
| Freon installation | 8/18/2007 |
| Q: Which side to you hook up to install Freon? A: Steve, Suction side which is the insulated line larger of the two lines ,you need to purge the air ... | |
| Honeywell minizone not working | 8/18/2007 |
| Q: I have a Honeywell Mini zone that works with a Lennox air conditioner. The cool light flashes, but ... A: Vivian Looked up Honeywell Minizone code ZMS on Yahoo .There is a pdf file on the system.Call ... | |
| Frigidaire Window Unit | 8/16/2007 |
| Q: I recently obtained a Frigidaire FAC107P1A5 and even when I push the on/off button to turn off the ... A: Andrea, Circuit breaker trips probably due to compressor still running and the fan stopped, when ... | |
| compressor lockout | 8/15/2007 |
| Q: We've got a new furnace and coil (two weeks old) connected to a Goodman compressor (about 5 yrs ... A: Randy, Not a to detailed description of your problem,does the outdoor unit unit run at all?? Is ... | |
| compressor wire | 8/14/2007 |
| Q: I have a four ton Rheem heat pump, while taking the cover off to clean my unit, I noticed both of ... A: William, When you say you cut both ends and put new connections on the RELAY are you talking ... | |
| ac unit | 8/13/2007 |
| Q: my house central unit seems not to cool like it should I think it to small for the house its a ... A: Diane, You don't say if it's a brand new unit or you had it several years. First thing to check is ... | |
| Wiring new thermostat | 8/9/2007 |
| Q: I have a Carrier FB4ANF042. The thermostat is a Hunter model 44408. I just purchased a Hunter ... A: Brent, On your old stat didn't you write down which color went to which terminal connection ... | |
| Frigidaire Heat Pump Units | 8/8/2007 |
| Q: I have two new heat pump units in my home. When they kick off and on they make a gurgling, hissing ... A: Cheryl One way is to install a 24 volt solenoid valve outside or inside near the indoor coil on ... | |
| A/C unit, no water drip, breaker trips | 8/8/2007 |
| Q: I purchased a Frigidaire FAC127P1A window A/C 12,000-btu unit. Installed it level onto the window ... A: Ollie , I would contact Frigidaire, if the fan motor is an "open" type which means there are ... | |
| 2-stage air conditioning system | 8/4/2007 |
| Q: could you please help a confused person? I have had 4 bids on an entire gas heat/new AC system. I ... A: Lori, This is my opinion only,The 17 SEER has a variable fan blower speed as the room temperature ... | |
| Thermalzone mini split | 8/3/2007 |
| Q: i am working on a thermal zone mini split heat pump system and need to have it up and running ... A: Eddie, By the time you receive an answer to this question I'm sure the supply house will be open. ... | |
| Blower motor turns off | 8/2/2007 |
| Q: When i turn on my air condition has been on for a while the blower motor turns off but the unit is ... A: Joe, Old unit I take it,replace motor and capacitor probably will solve your problem, get the ... | |
| a/c | 7/31/2007 |
| Q: Joe. I have a Bryant split system It is not cooling the house outside 105 degree up stair runs all ... A: Phil, 105 degree OD temp. add 30 degree to that temp/pressure chart says Aprox. 310 psi head. ... | |
| SEER rating of older central airconditioners. | 7/27/2007 |
| Q: I have a Seas Kenmore central Air conditioner which I had installed in the late 1970's. How would I ... A: Brian, Suffice to say at best your unit is a 10 SEER ,quite possible a 8 Seer. I don't know what ... | |
| A/C Leak | 7/26/2007 |
| Q: Is there a way to find a leak in my unit? Or this task pretty much for a technician? I have a ... A: Cesar, Yes anyone can pretty much check for leaks , you can use spray 409 or soap suds. First ... | |
| electrical specifications for a compressor | 7/25/2007 |
| Q: I have a 3 1/2 ton American Standard air-conditioner. I would like to know the amount of amperage ... A: Art, 35 LRA ( lock rotor amps. ) I don't know exactly what it is suppose to be but that sounds ... | |
| air conditioner residential | 7/23/2007 |
| Q: the drain pan is overflowing can i still run the a/c the overflowing is going to the pan and then ... A: Mara, Yes you can run your unit until you clear up the drain trap . It's not unusual for a unit to ... | |
| comfortmaker ac | 7/22/2007 |
| Q: We have a 1998 comfortmaker central air unit. upon start up it is very loud. quiets down after it ... A: Dave, I have heard compressors make noise on start up, usually refrigerant migrates to the ... | |
| Electric requirements | 7/21/2007 |
| Q: My brother is buying a new mobile home, but his park says that they cannot upgrade his 50 amp ... A: Pat, If you want to get an accurate tonnage sizing for your brothers residence go to ... | |
| Condo central air | 7/20/2007 |
| Q: I have been keeping the a/c vent and door closed in my spare bedroom which is never used. My ... A: Fred, I 've seen people block vents for same reason without problems as long as you don't' go ... | |
| pros & cons of relocating inside AC unit to attic | 7/19/2007 |
| Q: Our inside AC unit (fan) is currently located in a hallway closet next to our water heater. We have ... A: Tammy, I don't know what part of the country you live in but $400.00 -$500.00 would be a bargain ... | |
| SST | 7/17/2007 |
| Q: I CHARGED A HEATPUMP..LOW 85 HIGH 250...SUPERHEAT 15 SUBCOOLING 17....DELTA T 9...AMBIENCE WAS ... A: Angel, Having proper equipment , reclaim or remove total charge. Make sure piston does not have ... | |
| air condition | 7/13/2007 |
| Q: my air conditioner was fine. when i got home it was 88 degrees. I don't know why it stopped ... A: Ida Very little information here that you are giving me.A/C not working ,check circuit breaker to ... | |
| Trane A/C Unit Coils | 7/12/2007 |
| Q: Do I have to remove the top (that holds the fan)& the sides, just to clean the coils? Not sure what ... A: Susan, I just spray water from the outside in at a angle, you can get it wet then spray 409 or ... | |
| thanks | 7/11/2007 |
| Q: Joe first off i would like to thank you for your answer to my motor blower. It was the motor by the ... A: Roc, Indoor coil use wire brush or some type of brush with bristles then wash out with garden ... | |
| A/C | 7/10/2007 |
| Q: When I came home this afternoon the a/c was making a loud squeeking noise. It was still blowing ... A: Roc, Is the unit old? if so chances are the indoor motor lacks oil to the bearing and is squeaking ... | |
| Coleman mobile home central air compressor wont start | 7/9/2007 |
| Q: I have a Coleman central air system for my manufactured home. It is ~2 1/2 ton. When I turn on the ... A: Craig, You didn't mention the age of your unit, if its' old and the outdoor fan does not run ... | |
| A/C slow to start up | 7/8/2007 |
| Q: I have a Tempstar heat pump, model ch9525vka1, with a Honeywell ct70a1001 thermostat. We bought the ... A: John, I looked at the pdf file page 20 of page 124 for t-stat says for a Y594g1476 to remove the ... | |
| central air system - running current low | 7/7/2007 |
| Q: 30,000 btu central air put in last fall - just started using this summer - inadequae cooling - runs ... A: Dave, If you were strictly checking the outdoor unit ( split system A/C ) .And the compressor was ... | |
| AC Fan Not Turning | 7/6/2007 |
| Q: Today the fan on my outside AC unit stopped running and the units case was extremely hot. After a ... A: Carol, If it's an older unit, probably time for a new fan motor and capacitor. They can be changed ... | |
| heat pump problems | 7/4/2007 |
| Q: I bought a Goodman 15SEER split system heat pump with a variable speed air handler online about two ... A: Casey, What keeps blowing ? just the fan section or both the outside and inside unit. If just the ... | |
| Normal time to cool a house down | 7/3/2007 |
| Q: I just had installed a 3-Ton Ruud 14 SEER Achiever and furnace. I live in a basically uninsulated ... A: Rollie, Leave unit running for several hours,it may take several hours to cool initially. Check ... | |
| outside home ac unit | 5/24/2007 |
| Q: My cousin has a small home with central heating/ac. Her outside ac unit is not working. The unit ... A: C.C., yes if you or someone determines that the fan is bad ( bound up motor is a good example ) and ... | |
| Heat pump thermostat | 5/22/2007 |
| Q: We have a rheem heat pump. Lately the thermostatseems to have gone goofy. It is set at 75. House ... A: Dick, You would need to buy a 2 stage heat one stage cooling t-stat. In heat mode the first stage ... | |
| Heating and Air Unit | 5/21/2007 |
| Q: I have a small Janitorial Heating and Air unit for the mother-in-law suite of my house. It is 7 ... A: Saundra, Unit cycles on /off …… several conditions Low refrigerant charge, trips on low pressure ... | |
| Heat Pump Failure/Scam | 3/21/2007 |
| Q: My 17 yr old Ruud 4T Heat Pump/Compressor just bit the dust. Until last week it had performed great! ... A: Les, If you were told that the compressor capacitor was bad and caused the unit to fail,did they ... | |
| Heat pump | 3/14/2007 |
| Q: It wont come on and the compressor ??? or condensor covered with ice?as well as the line coming into ... A: Your question is vague, Outdoor unit won't come on? breakers not tripped ?. Outdoor unit covered ... | |
| heatpump | 3/8/2007 |
| Q: My problem is this: During the hot summer months (Florida) I turn on our AC in the morning and it ... A: Gene, When you refer to the breakers for the compressor are closed ( and good and clean ) are you ... | |
| heater | 3/6/2007 |
| Q: We have just purchaced a brand new home. 2 story. Heat is electric. We have 2 bedrooms over the ... A: You don't mention if you have balancing dampers on each supply take off ( branch line ) to help ... | |
| a/c overflow dish filling | 3/2/2007 |
| Q: My A/C unit in my house (2800 sq ft) overflow dish (the thing with the overflow sensor in it) is ... A: Francine, You didn't mention that you also replaced the indoor unit ,so I’m going to say you have ... | |
| AIR FLOW WITH HEAT PUMP | 2/28/2007 |
| Q: WE JUST INSTALLED A BRYANT EVOLUTION FURNACE WITH A VARIABLE SPEED FAN AND A 4 TON PREFERRED BRYANT ... A: Jill, I checked Carrier/Bryant web site on your particular type of system,Carrier calls them ... | |
| Armstrong Furnace Problem | 2/23/2007 |
| Q: I have an Armstrong Ultra V Tech 80 gas furnace that is 5 years old. It will not stay running. I ... A: Scott, I looked at the Armstrong/Air Ease website for your model.They have parts warranted for 5 ... | |
| heat pump air handler | 2/22/2007 |
| Q: Our Carrier heat pump is 4 yrs old. We change filters each month. The last one was dirtier than any ... A: Barbara, Not to sure what your asking . Changing your air filter regularly is great. Hopefully you ... | |
| size of central unit needed | 2/21/2007 |
| Q: What ton unit do I need to heat and cool a 1950 sq ft home A: Bryan, You can try this website www.heat-loss.com/main they have a residential package for ... | |
| Home central a/c w/significant ice in flex tubing | 2/20/2007 |
| Q: Joe, I have a newly installed central A/C system installed in the attic of my well insulatated ranch ... A: Ray, Here is a question I answered for someone in December, basically the same question , also I ... | |
| Refrigerant leak in A/C unit | 2/15/2007 |
| Q: My house was built in 2002 and I have a tempstar unit in my house and last time I had it check, the ... A: Millie, Why do you think your getting sick from the Air Conditioning unit and not some other things ... | |
| Is it the heat pump or installers? | 2/14/2007 |
| Q: Trouble with new units. Briefly... we had new heat/air unit installed in our 2story home in ... A: Kelly, Not to sure what type of system you have besides two split system Heat Pumps, You describe ... | |
| Warm Air Furnace | 2/13/2007 |
| Q: Our furnace runs on heating oil. It went out the other day. I beleive we ran out of oil. So, we ... A: Jennfier, No, warm air oil heat does not have a pilot like gas units, If you indeed ran out of ... | |
| Trane XE 900 Capacitors | 2/9/2007 |
| Q: I just had some repairs on the inside air conditioner. The capacitor to the blower was dead and ... A: James, Shut the power off to the outside unit and remove the electrical access panel. Somewhere in ... | |
| transformer burn | 2/8/2007 |
| Q: i have setting the cold&chiller room, the are together with same compressor. my problem is, ... A: Alamin, Hard to understand exactly what your saying , but if you have one transformer only,and it ... | |
| rheem furnace | 2/7/2007 |
| Q: "The Furnace will ignite the gas and start the intake motor and heat up inlet chamber then the ... A: Doug, Here's how they pretty much work on a call for heat your inducer motor ( what you may be ... | |
| RE: AC fans run without unit on | 2/2/2007 |
| Q: I am having such a time with my ac fans. They are running and the unit it not on. The thermostat ... A: Rachael, What fan are you referring to, in one sentence you say fans, meaning indoor and outdoor ... | |
| Heat | 2/1/2007 |
| Q: I am experiencing a problem with my heat. The blower is continuously blowing cool air throughout ... A: Ben, The blower continuously running tells me it works on time and not temperature to start, so I ... | |
| electric heater blowing cold air | 1/26/2007 |
| Q: I have an electric heating system. When used, it only blows cool or lukewarm air. I can not get ... A: Sara, What is the history of your house/apartment has it ever gotten above 66 degrees??? The ... | |
| HUMIDIFIERS | 1/25/2007 |
| Q: . We built a new home in MN & put in a geo-thermal system with heat pumps. Our problem is that ... A: Jami, Go to WWW.Trane.com/Residential/Products/Humidifier | |