You are here:
| Subject | Date Asked |
| Cooling is different with new thermostat | 8/9/2011 |
| Q: Recently replaced thermostat due to it suddenly not wanting to turn on and at random times it ... A: Liza, Your thermostat is basically just a heat sensitive switch . All it does is turn the ... | |
| 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, Try to find a company that services wall units . Wall units have a pan that ... | |
| nordyne a/c | 7/26/2011 |
| Q: I have a brand new 13+ seer 4 ton nordyne spit a/c, furnice. It's only 3 years old and I've had to ... A: Donna, The run capacitor is the most common repair we do . It is the weak link in the ... | |
| Ac drain pan overflow in heat pump system | 7/17/2011 |
| Q: what would cause the AC drain pan in the air handler to overflow?/ We have a split system heat ... A: Susan, If the unit is cooling ok , it could simply be a restricted drain line . The line that ... | |
| central a/c st pete | 6/9/2011 |
| Q: When I set the interior switch on the a/c to " Fan on" it blows air through my registers. However, ... A: It sounds like the dual run capacitor is defective or the compressor itself my be locked up . The ... | |
| refrigeration lines st pete | 6/8/2011 |
| Q: A homeowner in our complex was told that her outside condenser unit for her central A/C has to be ... A: Sandy, Its probably R 410 that the system is being changed to . Its actually the oil in the ... | |
| Compressor repair st pete | 3/29/2011 |
| Q: My ac is about 7 years old . My compressor needs to replaced . I was told that I should consider ... A: You may want to consider replacing the entire unit at this point . The compressor is the most ... | |
| Exterior a/c fan motor replacement st pete | 11/13/2010 |
| Q: My motor went bad on the Bryant unit outside. It's GE motor and I don't a run cap anywhere for it ... A: Sean, If you follow the wiring from the existing motor - it does come back to a run capacitor ... | |
| Ice machine repair clearwater | 11/10/2010 |
| Q: I have a Hoshizaki ice machine at my restaurant , it was working great yesterday but today it ... A: I apologize for my delay in answering your question . Hoshizaki makes a nice machine . The beeping ... | |
| old equipment - clearwater | 11/9/2010 |
| Q: .i have a york diamond 80 furance here, and an ac compressor of course. now this is 22 years old. ... A: James, The higher the seer rating - the more efficient the system is . To qualify for the $ ... | |
| old equipment - clearwater | 11/8/2010 |
| Q: .i have a york diamond 80 furance here, and an ac compressor of course. now this is 22 years old. ... A: James, $ 1800 does not sound excessive . Your equipment is defiantly at the end of its life ... | |
| intertherm e1eh-015ha | 11/6/2010 |
| Q: when fan switch is in auto will not run but will run in on position. have replaced ... A: Donald, If the fan runs when switched on - that means the circuit is ok . Your thermostat is ... | |
| central ac | 11/3/2010 |
| Q: My r22 coil has gone out on my ac and I have to get it replaced or get a whole new system. I am ... A: Danny, Payne is an ok brand - the equipment itself is cheap to purchase for the contractor . ... | |
| Buying HVAC Clearwater | 11/1/2010 |
| Q: I'm trying to compare Maytag IQ - 21 SEERs (3 ton and 5[or 4.18]ton to Trane 20i - 20 SEERs(3 tone ... A: Jerry, The Maytag IQ is a nice system - the contractor needs to be qualified to install . ... | |
| Carrier Air Hander w/electric Heat | 10/31/2010 |
| Q: Last spring we had a lighting strike that fried the thermostat. Replaced thermostate and all was ... A: Mark, Its not your transformer , and I wouldn't oversize the fuse - you run the risk of taking ... | |
| A/C unit to Heat Pump | 8/5/2010 |
| Q: The in-law apartment attached to our house has central air with a Carrier outside unit. The air ... A: Robert, You get pretty cold up there . A heat pump starts losing efficiency below 40 degrees ... | |
| getting warm air from a/c - a/c repair st pete,clearwater,largo | 8/5/2010 |
| Q: I have an older heat pump that started blowing warm air. I discovered that a wire had melted at its ... A: Paul, Yes this is used is used when the compressor starts to give it a boost at start up . If ... | |
| difference between stage motors for air conditioners | 8/4/2010 |
| Q: My home is 2300 sq. ft. I am replacing a 3 ton unit that does not cool my entire home have hot and ... A: Doris, A staged 4 ton unit still has less capacity than a 5 ton unit . Staged equipment - ... | |
| ICP Ac Unit - A/c repair st pete | 8/3/2010 |
| Q: EBP3000B2 Model # I am not getting 24 V to the thermostat I Checked the Transformer and the control ... A: JB, It is probably wired to your safety overflow switch . Depending on how your air handler is ... | |
| Acid Wash - st pete -largo-clearwater uv light | 8/3/2010 |
| Q: Twice a year I have my air conditioning unit cleaned and inspected in an attempt to keep it running ... A: George, The evaporator coil is usually cleaned in place , again it has to be accessed from ... | |
| AC only turns on at night | 8/2/2010 |
| Q: We have a heat pump system and recently installed a new thermostat. Everything was working fine ... A: Quynh, If your certain you dont have a programmable thermostat , I'm guessing a poor contact ... | |
| a/c problem clearwater | 8/1/2010 |
| Q: i have a simply comfort commercial a/c unit.... the problem im having is the a/c compressor ... A: Art, Yes , it sounds like the condensing unit contactor could be sticking . If so you need to ... | |
| Loud noise when unit shuts off. | 8/1/2010 |
| Q: I bought a new Tempstar (ICP) commercial grade AC unit (model # pymc42g6) with heat pump about 6 ... A: Chris, I think it probably you condenser fan blade or may be even your blower wheel . Stand ... | |
| Acid Wash - st pete -largo-clearwater uv light | 7/31/2010 |
| Q: Twice a year I have my air conditioning unit cleaned and inspected in an attempt to keep it running ... A: George, You are correct in the residue is natural accumulation . The biggest benefit you get ... | |
| Duct work repair st pete | 7/29/2010 |
| Q: Is there any advantage to "top down" cooling? (unit in the attic with compressor outside) My ... A: Cliff, Yes , top down with 2 floors works nice . Your unit generates about 1400 cfm total . ... | |
| air handler st pete | 7/28/2010 |
| Q: I have a Carrier heat pump (FX4BNF036). I have had a regular check done on it by a local technician. ... A: Steven, No don't replace the motor . A motor if pulling over the rated amount of amps ... | |
| outside unit won't run largo | 7/27/2010 |
| Q: My A/C unit outside just quit turning on. The inside fan is blowing but the outside is just making a ... A: Chase, It sounds like the dual capacitor is defective . The capacitor helps both the compressor ... | |
| Inside Air Handler making funny noise clearwater | 7/27/2010 |
| Q: At the beginning of July I had my A/C unit maintenance. Vents, ducts and coils were cleaned and ... A: Deshea, I live in Florida too . I would guess that your drain line is restricted . The ... | |
| Trane XE80 blower is making chattering noise st pete | 7/27/2010 |
| Q: My Trane XE80 has been making some noise from the blower. It was somewhat intermittent at first and ... A: Reggie, It could also be a relay . The chatter is usually cause from the voltage being low ... | |
| ac repair st pete | 7/26/2010 |
| Q: do you have to replace the air handler etc when the outside unit is replaced ac/heat pump unit ... A: Marjorie, No , but production on R -22 refrigerant equipment was discontinued at the first ... | |
| humidity problem with ac | 7/26/2010 |
| Q: I have an older version unit that is attached to an electrical heating unit. It cools very well but ... A: Vanessa, The only way to remove humidity from the air is to condense it . A fan modulator ... | |
| Tapping noise when cooling in heat pump system | 7/26/2010 |
| Q: I live in a 2 story townhome with a Tappan heat pump system. The outside unit is right under my ... A: Allison, I think it may be your refrigerant lines( the refrigerant in the lines) causing ... | |
| heat pump (ac part) cutting on and off | 7/25/2010 |
| Q: cooling but cutting on and off every 15 seconds. armstrong 12 seer about 15 years old. it is in the ... A: Autumn, It sounds like it may be shutting off on a safety switch . A safety shuts off the ... | |
| Ice machine repair st pete | 7/24/2010 |
| Q: My ice machine isn't producing as much ice as it use to . Is there any thing I can check that could ... A: Wally, Yes , usually on a commercial machine there is usually a pressure gauge on the water ... | |
| wiring for condenser motor (replacement) | 7/23/2010 |
| Q: My condenser motor died and i purchased a replacement. the old motor was a 1/3 hp AO Smith with 3 ... A: Raymond, Wire the black and white to L1 and L2 the brown and the brown with the stripe go ... | |
| is 3.5 tons ok to cool 2 floors ? | 7/23/2010 |
| Q: I live in an older stone split level home (70-80 yrs.old) I want to put in central A/C (no ducts, I ... A: Cliff, An approximate of 600 sq ft per ton of cooling . If your house is 70 to 80 years old I ... | |
| Reurn Air Ducts | 7/22/2010 |
| Q: I'm building a new 2story home. In the master bedroom the return air duct is 2 feet from the supply ... A: Tom, There is no standard but it logical that supply air is not immediately being sucked into ... | |
| AC | 7/22/2010 |
| Q: We have a 1955 ranch home with a HVAC for probably the 70's it is using around 3000 kilowatts per ... A: William, There is alot of variables but today's best air conditioners use 30%–50% less ... | |
| Air Handler Barely Blowing | 7/22/2010 |
| Q: My Air Handler is also barely blowing. I saw your answer to Carry's question so believe my coil may ... A: Brad , To access the evaporator coil you need to check where to return air flow enters the air ... | |
| AC | 7/22/2010 |
| Q: I just purchased a used A/C unit. I was told it was a 2 and 1/2 ton, but believe it is only a 2 ... A: Melissa, There are alot of variables involved in sizing a unit , correctly charging a system ... | |
| central air | 7/20/2010 |
| Q: my carrier weather maker 9200 is freezing up outside. it seems like it stops blowing inside and then ... A: Carrie, The unit is likely low on refrigerant or the evaporator coil is restricted (dirty) . ... | |
| Choice of ductless AC system | 7/18/2010 |
| Q: I will be replacing my AC thru-the-wall units with a ductless Mitsubishi system. I have a cottage ... A: Marcelo, I would install 2 separate units . We did a similar type of set up recently . The ... | |
| GOODMAN 410 RESIDENTIAL SPLIT SYSTEM | 7/17/2010 |
| Q: Installed a Goodman R410 system 2 yrs ago, all worked great. This year we had a cracked condensation ... A: Tim , Remember when you charge a system you have to compensate for the existing heat load . If ... | |
| Cooling | 7/15/2010 |
| Q: I need you to settle an argument I have been having with my wife. She believes that if she wants the ... A: The thermostat is basically just a heat sensitive switch . When the ac is running it operates at ... | |
| duct retrofit | 7/7/2010 |
| Q: We currently have a 3.5 ton AC unit that needs to be replaced. All contractors said we only need a ... A: Karen , True , The duct work system is designed to maintain a certain static pressure to ... | |
| replacing residential HVAC | 5/2/2010 |
| Q: I'm going to replace my 16 yr old HVAC system. 40 yr old home, about 3000sf; one zone for 2 floors ... A: Tom , If you plan on choosing a high efficiency unit make sure your house is able to support ... | |
| size of central air conditioner | 5/2/2010 |
| Q: Replacing my 25 year old, 2 1/2 ton a.c. Since they no longer make 2 1/2 ton A/Cs, one contractor ... A: Bill, 2 1/2 ton ac's are still available depending on the brand and efficiency level of the ... | |
| Trane XR-11 heatpump | 5/2/2010 |
| Q: We just recently had our compressor replaced and our heat pump serviced. It has worked fine until ... A: Mike, It is probably unrelated . It is a separate circuit entirely . If the heat pump is " ... | |
| Condenser Fan Stops after 10 minutes | 5/1/2010 |
| Q: i have a 9 year old Rheem heat pump. I noticed that the condenser fan was not running. I shut it ... A: Jorge, As long as the capacitor and voltage are correct it likely the bearings on the motor ... | |
| Thru the wall unit | 4/26/2010 |
| Q: Sorry but this one may be beneath you. I just moved into a condo that used to have thru the wall Air ... A: Dan, Yes you could place a unit in the shell - you must make sure the condenser on the back ... | |
| Heat Pump | 4/26/2010 |
| Q: I'm an A/C and refrigeration service tech and I've just replaced a 3 phase scroll compressor in a 4 ... A: Nick, I would just manually shift the valve at the unit ( de-energizing the valve at the ... | |
| what size heating and air conditioning | 4/26/2010 |
| Q: I am having a home built in Nashville TN. IT is a 4010 sq. ft. home. It is all brick with an ... A: Dan, You will need multiple systems . A ball park figure is 600sq ft per ton of cooling( about 7 ... | |
| Air Handling Unit | 4/25/2010 |
| Q: My AHU has a drip pan which is filled with water and it shut off my a/c last night (it has a float ... A: KS, Depending how your set up - clear the line or the pan the float switch is in to start your ... | |
| Window AC -- coils freezing | 4/24/2010 |
| Q: I have a recent model Samsung 8,000 BUT AC. I bought this brand because my neighbour has a Samsung ... A: Sorry for the delay - The condensate pan sits inside the metal shell of the unit . Because the unit ... | |
| Window AC -- coils freezing | 4/23/2010 |
| Q: I have a recent model Samsung 8,000 BUT AC. I bought this brand because my neighbour has a Samsung ... A: Marie, I think the design your unit has does make it more efficient but this can actually ... | |
| freon gas container | 4/21/2010 |
| Q: Our company in Mongolia is a mining company. There are many heavy duty equipment and we do ... A: Ariunaa, You need to check local ordinances . We break the stem off and if you notice ... | |
| Replacing Thermostat | 4/20/2010 |
| Q: I am trying to replace a thermostat (no name brand on the unit); I plan on installing the Lux TX ... A: Iris, It is likely either a poor connection or your safety overflow switch may be breaking ... | |
| a/c | 4/19/2010 |
| Q: I have a 5 year-old Carrier,10 seer,2-ton central air unit with 6 vents.The registers sweat and have ... A: Leslie, The dirty evaporator coil can cause the air flow to be restricted which can actually ... | |
| no condensation from central air unit | 4/16/2010 |
| Q: We have an electric central air/heat pump in our two story town home. It is on it's final leg and ... A: Kelly, The filter is not your problem ( although a dirty filter can cause the evaporator to ... | |
| Replacing Thermostat | 4/12/2010 |
| Q: I am trying to replace a thermostat (no name brand on the unit); I plan on installing the Lux TX ... A: Iris, The red wire can be wired to either the RC (red cool) or RH (red heat) as long as the ... | |
| HVAC evap coil leak | 4/12/2010 |
| Q: I own a Trane TWE060C15FCO unit. The condenser was replaced about 5 years ago. the evap coil has ... A: John , Usually the leak is on the U - bends of the evaporator coil . It can be fixed but it ... | |
| Ac repair clearwater | 4/11/2010 |
| Q: Is it really beneficial to have my system tuned up every year ? A: Susan, Yes , Most companies charge a reasonable fee to come out and inspect your system . The ... | |
| How do you amp out a compressor | 3/31/2010 |
| Q: When a compressor overamps do you add up your start, run, and common (S: 5 R: 9 C: 10 = 24) amps or ... A: Josh , You can check the resistance between terminals on a single phase compressor and they ... | |
| Heat Pump install | 3/27/2010 |
| Q: I'm planning on installing a heat pump in my home, i'm switching from baseboard heat. It's a 2000 sf ... A: Ted, You really need to have a heat load calculation in you home to determine the proper sized ... | |
| Where to place an air filter in an Intertherm Furnace | 3/26/2010 |
| Q: I own a modular home and when I moved in there was no air filter in the furnace thing...(sorry I ... A: April, The pics you sent - is actually insulation on the interior of the equipment - not ... | |
| Heat Pump only using Aux Heat | 3/24/2010 |
| Q: I recently had a contractor come in to remodel my washroom (where my Heat Pump is located) and ended ... A: Anthony, Your condensate pump should have a safety overflow safety switch on it . What this ... | |
| Resealing old fiberglass ductwork | 3/23/2010 |
| Q: I hope you can help me out with some advice. I live in Texas, in an old condo. The ductwork is ... A: Michael, Yes there are products that can be applied to the interior of duct work to seal ... | |
| compressor installed in basement | 3/22/2010 |
| Q: I am part of a coop in montauk ny a seasonal resort opened from april 1 to nov 1 and the board is ... A: Mitchell, 13 seer is fine it is an efficient unit . The condensing unit is designed to be ... | |
| Having problems with Thermostat Installation | 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: Nathan , You look like you have the wiring correct . The thermostat you have can be used on ... | |
| Pistons & TXVs | 3/19/2010 |
| Q: I have a leak in my 2 yr old Lennox 13 Seer unit A/C / Heat pump system. All the refrigerant is ... A: Curtis, You are right - a txv does make the system more efficient because it modulates ... | |
| Ac repair st pete | 3/19/2010 |
| Q: Marcus, I have a question about ac repair in st pete. I want to upgrade my system . Should I ... A: Sammy, Its usually a good idea to change the refrigerant line set when you install a new ... | |
| Motor and belts | 3/17/2010 |
| Q: I have motor rated @ 16 amps. when I put a clamp meter on it it reads 7.5 to 8.2 without the belt, ... A: Will, The motor should be checked when you have the greatest load on it - which is with the ... | |
| Air conditioning | 3/17/2010 |
| Q: I want to move the main compressor unit and tubing to the other side of the house. The new location ... A: Joe, Yes , but its a little more involved than that . If you are totally unfamiliar with the ... | |
| Change copper A/C lines? | 3/14/2010 |
| Q: I am about to replace 2 of my home central heat pump units that use R22. One is a complete change ... A: Bruce, R-410 systems uses a different oil than the R-22 systems . The residual oil is what ... | |
| Relocating a split AC/HTG unit | 3/13/2010 |
| Q: This is one of those newer one room (Quiet Side) 9000BTU cooling and heating units that I want to ... A: Jim, Yes , just as you described . Pump the system down and isolate into the condensing unit . ... | |
| Which central ac units should I go with | 3/13/2010 |
| Q: Ok, so I am on a budget and looking at 15 seer units (although) trying to see if I can afford higher ... A: Deven, Unless your bungalow is thoroughly insulated , has modern windows ect. . I would not ... | |
| A/C compressor replacement | 3/12/2010 |
| Q: We have a 7 year old Lennox (Merit series w/ 5 year warranty) that died on us last month. 4 months ... A: Jo, I hate to see people pressured into sales like this . Send me the model and serial number of ... | |
| air cond | 3/11/2010 |
| Q: I'm working on a coleman split unit. the problem is when you apply power to the compressor unit ... A: Bob, I think you are correct in suspecting the dual capacitor . You should be able to buy one at ... | |
| lennox heat pump | 2/27/2010 |
| Q: my heat pump keeps blowing circuit breaker in fuse panel after unit kicks on after about 5 minutes ... A: Scott, When your air handler alone runs ( blower motor only ) it only pull a couple of amps . ... | |
| Using existing refrigerange lines with new air handler | 2/26/2010 |
| Q: I just replaced a 24 year old air handler an compressor, but the existing refrigerant lines were not ... A: Maggie, If your equipment was that old its likely with the newer high efficiency unit it ... | |
| St. Pete Ac Repair | 2/23/2010 |
| Q: I am having a hard time finding a filter that will fit my ac unit .Do you know where I could buy a ... A: Bobby, Make sure you have an accurate measurement , most common sizes are available at the ... | |
| suction line ice | 2/21/2010 |
| Q: i installed a 2 ton split.cond. was a rheem and and a/h was a gibson. on start up my suction line ... A: Anthony, You have a missed matched system are you sure the air handler is compatible with R ... | |
| Blower always on | 2/19/2010 |
| Q: I have a Heil electric heat pump unit (Model # NFCP6000D2) with the electric heater accessory ... A: Robert, If that's the case then again the relay board/heat relay my be bad (again)or the ... | |
| Programmable thermostat wiring issues | 2/19/2010 |
| Q: I replaced my old thermostat and humidistat with a White Rodgers 1F95-1291 Programmable Thermostat ... A: Brad , So you put both wires that were on the old humidistat terminals to "hm" and "c" on the ... | |
| Programmable thermostat wiring issues | 2/19/2010 |
| Q: I replaced my old thermostat and humidistat with a White Rodgers 1F95-1291 Programmable Thermostat ... A: Brad, Your humidistat simply breaks the voltage ( 24 v ) to the solenoid coil , the common ... | |
| intertherm heat pump | 2/11/2010 |
| Q: I have an intertherm heat pump in my doublewide and it has a red wire and white wire that runs to ... A: Frank, If the unit comes on in cool we know the compressor contactor is ok . For what ever ... | |
| Thermostat fuse blowing | 2/10/2010 |
| Q: I HAVE A CARRIER MODEL# FB4ANF024 ELECTRIC FURNACE PRODUCT# FB4ANF02400AEAA S/N 3996A22709 THE ... A: Tim , The fan limit , thermal overload , are not considered an electrical load because they ... | |
| Oldsmar Heat Pump | 2/10/2010 |
| Q: Marcus , It has been pretty cold down here in Florida . I have a Heat pump system . I noticed ... A: Goerge, If it is cold enough outside - the heat pump automatically will cycle into defrost . ... | |
| Thermostat fuse blowing | 2/9/2010 |
| Q: I HAVE A CARRIER MODEL# FB4ANF024 ELECTRIC FURNACE PRODUCT# FB4ANF02400AEAA S/N 3996A22709 THE ... A: Tim, The fuse that blows is on the low voltage side - 24 volts - . If you have a standard 40 va ... | |
| Water and Ice Dispenser | 2/9/2010 |
| Q: I purchased a refrigerator with a water and ice dispenser. I would like to know will I need ... A: Fred , Usually the water is picked up off the nearest water source ( under the kitchen sink , ... | |
| attic unit | 2/6/2010 |
| Q: the blower on the attic unit quit, the squirl cage spins easily and my husband tried to replace the ... A: Goldie, The capacitor is a common problem with electric motors . Make sure the capacitor ... | |
| return air filter location | 2/4/2010 |
| Q: I have just rented a home that has been installed with a new electric Payne heat/cool pump unit. I ... A: Mary, When you air handler is running do you feel air pulling in through the vented closet ... | |
| baseboard hot water heat system | 2/4/2010 |
| Q: Will regular foam pipe insulation work to insulate the supply pipes for my baseboard hot water ... A: Gene , The best type of insulation for your pipes is a closed cell insulation . The insulation ... | |
| Heating | 1/18/2010 |
| Q: We have a Trane XE 1000 Model TRW060D100A1, the indoor unit is mode TWE060D150B0. We have a ... A: Anita, The air handler(inside unit) usually will stay on for a short period of time after the ... | |
| St Pete Ac Repair | 1/13/2010 |
| Q: We have had rally cold weather recently . Our heat pump seems to ice up on the outside and doesn't ... A: Angela, I live in Florida too , its been unusually cold for the past couple of weeks . A heat ... | |
| Heat pump size | 1/11/2010 |
| Q: I'm building a house and my contractor is having an Anderson 3 ton heat pump installed with an air ... A: Mike, Have your contractor perform a heat load calculation on your house . It is the most ... | |
| Janitrol Heat Pump | 1/11/2010 |
| Q: In Aug 2008 I moved into a brand new 1288 sq ft 1 1/2 story cape cod with an unfinished upstairs ... A: Greg, I think your electric bills are so high because your system has been low on charge . If ... | |
| heat pump or strip heat | 1/9/2010 |
| Q: I have an outrageous light bill more than double than last months and i talked to 2 different ... A: Bobby, A heat pump generally is more cost efficient to run electricity wise . But I can tell ... | |
| TRANE A/C | 1/8/2010 |
| Q: MY TRANE A/C NEVER HAD THE HEATING CONNECTION MADE. THERE ARE 2 WIRES NOT CONNECTED (A RED ONE %26 A ... A: Rafael, I assuming the red and black are line voltage . Make sure the power is shut off . Its ... | |
| dust blowing out of ac ducts | 1/7/2010 |
| Q: I have a tenant saying there is a lot of purple dust coming out of the ac ducts. It builds up on the ... A: Anne, Did this problem just start ? Is it purpurlish black ? It may be mold . Other than that ... | |
| Replace AC - deal or no deal | 1/7/2010 |
| Q: Current unit 39 years old 1.5 tons, blower went out over the holidays (old unit couldn't cool ... A: PJ, I would make sure who ever does the install does pull a permit - Its really for your own ... | |
| No heat | 1/6/2010 |
| Q: What should I check if only cold air blows out when the heater is turned on? I have a carrier fa4 ... A: Josh, I think you actually have a heat pump. The auxiliary and emergency heat ( same thing ) is ... | |
| help | 1/4/2010 |
| Q: We just moved from Indiana to central Florida in October. The realtor advised upon move in that ... A: Darrell, I know , I live a little south of you in the Tampa area - its been cold. You have a ... | |
| AC HEAT | 1/3/2010 |
| Q: my compressor turns on for AC but not for heat, I do not know what to do, Please help A: If you have a heat pump , it should turn on . Every year we have a bunch of call where the home ... | |
| Central Air & Heat Units | 12/10/2009 |
| Q: I am in the market to be a new residential central air&heat unit. I currently have a York all ... A: Misty, Most brands are decent if properly installed by your contractor. Make sure they size ... | |
| Heater not kicking on | 12/6/2009 |
| Q: Our heater isn't working. According to our home paperwork we have a Goodman model #PHK030-1, 2 1/2 ... A: Amy, Double check your wiring, you should have an orange wire at your thermostat , maybe it got ... | |
| Mismatched SEER components | 12/6/2009 |
| Q: I had to replace the air handler 2 yrs ago and it was replaced with a 13 SEER unit. The emergency ... A: Jen, I see mismatched systems all the time , it isn't ideal - but for the most part function ... | |
| air con | 12/4/2009 |
| Q: i have a panasonic air con unit model cs-pk9-ekt 9000 btu about 1 month ago it was removed from ... A: Chatchai, In all air conditioning systems a small amount of oil circulates with the ... | |
| condensing unit outside frosting at 32 degrees | 12/3/2009 |
| Q: we have a rudd ac/heat pump (central) live in east central ms,the 1 1/2 ton unit was manufactured in ... A: Sam, With a heat pump it is normal to see the condenser coil heavily frosted. The unit has a ... | |
| Euro Fridge in US | 12/2/2009 |
| Q: The model number of the fridge siemens 01805-2223. A: Felipe, No , the motors are designed for that voltage. If you operated it on lower voltage it ... | |
| cavalier 64 coke machine | 12/2/2009 |
| Q: The compressor on this coke machine kicks on and off, compressor only runs for about 30 seconds ... A: Paul, It sounds like its possibly cycling on an overload . There really isn't anything else to ... | |
| Crawlspace furnace | 11/17/2009 |
| Q: I have a furnace in the crawl space. I had a technician look at it and he said the heat exchanger ... A: John, Duct work can be run on the exterior to attic space ( it depends on the design of your ... | |
| Fan ON Mode | 11/17/2009 |
| Q: I have been getting mixed recommendations on using the FAN ON mode. I have always preferred to keep ... A: Mike, You can run the fan continuously , it doesn't stress the unit - make sure you keep up on ... | |
| Fan ON Mode | 11/17/2009 |
| Q: I have been getting mixed recommendations on using the FAN ON mode. I have always preferred to keep ... A: Michael, The fan on alone will not remove any additional humidity . The humidity can only be ... | |
| Crawlspace furnace | 11/17/2009 |
| Q: I have a furnace in the crawl space. I had a technician look at it and he said the heat exchanger ... A: John, No its not that hard to change the heat exchanger normally. It really does depend on how ... | |
| eubank package unit mod #EA15 | 11/14/2009 |
| Q: Heat stips grounded out, & had bad blower mtr & cap. Replaced mtr, cap & heat kit. Blower will not ... A: Scott, Probably the fan relay is cooked as well.If you wire through the relay , the fan will ... | |
| 2nd AC Zone in Bedroom | 11/11/2009 |
| Q: I am renovating a house in Florida and replacing the entire HVAC system. The upstairs is about ... A: Bryan, Let me clarify , your second floor only has one system to cool the entire floor . To ... | |
| freezer not freezing | 11/11/2009 |
| Q: Please my freezer comes on but only half of the freezers freezes, the upper part deos not it is only ... A: Jay, That sounds like either the evaporator coil may iced and restricting air flow - you can ... | |
| lennox blows too strong | 11/11/2009 |
| Q: We're finding that our Lennox G60UHX blows so strongly it can be hard to be in small rooms while ... A: Mike, If you have a standard blower motor , most have 3 speeds depending on how you wire it. If ... | |
| 2nd AC Zone in Bedroom | 11/10/2009 |
| Q: I am renovating a house in Florida and replacing the entire HVAC system. The upstairs is about ... A: Bryan, You cant really zone 1 room to provide extra cooling . Remember you entire system would ... | |
| 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, It really isn't wasting money to fix it , its just a matter of time before it ... | |
| exhaust fan and cold air return | 11/9/2009 |
| Q: I have a furnace in my attic. House was built in 1921 and retrofitted with this. The cold air ... A: Tim, I think you could probably technically do it. Probably not practical.The air handler would ... | |
| Kenmore 106.57262791 water filter | 11/9/2009 |
| Q: My husband has torn this thing apart, and we are unable to find where the water filter is so that we ... A: Leaha, The filter is in newer refrigerators is either built into the unit and is on the ... | |
| compressor terminals | 11/8/2009 |
| Q: Hey, recently I tried to run a compressor, but I found that some wires were burned, and the ... A: Argelio, Make sure that you do have the correct voltage at the compressor . You really ... | |
| splicing a 220 line | 11/4/2009 |
| Q: hey hows it going,,, i have a live 220 line coming to my kitchen.. i put it in a junction box and ... A: Derick, No no no - It would be very hazardous . Both appliances require a separate circuit , ... | |
| air conditioner , duct, mold furnase | 11/2/2009 |
| Q: ..which I am told it on it last leg....and an aircondition with ducts running through the ... A: Yes mold is a serious problem and will definitively make you sick . There are alot of ways to treat ... | |
| R22 HVAC | 11/1/2009 |
| Q: We have a 20 year old 2 ton R22 HVAC. The outside unit needs to be replaced but the inside unit is ... A: Pamala, Yes you can replace just the outside unit ( condensing unit ). Your contractor may be ... | |
| covering unit | 11/1/2009 |
| Q: I see people covering their swamp coolers in the winter time with a wrap or cloth type material. Do ... A: Jeffery, The units are designed to be outside and unless you have a huge amount of debris( ... | |
| New furnace options | 10/29/2009 |
| Q: I am replacing my old 80% efficient standing pilot furnace of 30 years , after a lifetime of problem ... A: Adolphus, GE was a good unit - You can still buy that brand , Trane bought GE years ago. It ... | |
| a/c freeze up | 10/28/2009 |
| Q: I have a out door A/C compressor. in the winter time it came on by itself and froze over. what would ... A: Bobby , Is your unit a heat pump ? If so the condensing unit does run( in the winter ) to ... | |
| GE SXS fridge/freezer not cold in top half | 10/27/2009 |
| Q: Good morning! I have a GE SXS Fridge/Freezer (Model # GSS20IEMD WW Serial MD258184) where the top ... A: Holly, I think you may need to call for service on this one. If your handy , you could check ... | |
| Ac repair in Clearwater | 10/27/2009 |
| Q: I have a simple question . I was told that I needed to replace my drier on my ac unit . What is a ... A: A drier is usually placed in the liquid line(the small copper refrigerant line) of an ac system ( ... | |
| how to disconnect outside a/c unit | 10/22/2009 |
| Q: hello i need to ask you a question iam moving my mobile home and i need to know how do i disconnect ... A: Billy, It actually very easy. I'm assuming that because it is a mobile home that your ac is a ... | |
| heat exchanger in return air | 10/21/2009 |
| Q: I helped a friend hook up a wood fired boiler first to heat his swimming pool and now he want to ... A: John, You may want to ask another expert on this one but here are my thoughts . I do think it ... | |
| hvac ductwork | 10/20/2009 |
| Q: Is it possible to use ordinary pvc pipe as HVAC ductwork. The application will be that the ductwork ... A: Jeff, You could use pvc pipe only if it were exposed to the ambient temperature of the ... | |
| crackling sound of Air con cover | 10/19/2009 |
| Q: We have a split unit Toshiba air-con. the cover crackles quite a lot - thru expansion and ... A: I don't think it would help . The air isn't being restricted by the cover , its venting through its ... | |
| My fridge is leaking | 10/19/2009 |
| Q: I have amana fridge, model # BP22A2W, it is been leaking from the bottom for 5-6 days now (we moved ... A: It likely is the water line you disconnected ( I have done this myself ). Depending on the type of ... | |
| Duct sizes & supply locations? | 10/18/2009 |
| Q: I own an old house. The furnace/blower was located in the hall w/ the return air directly underneath ... A: Paul, The actual return grill size is not important , it is important that the boot size is the ... | |
| coleman hvac unit | 10/18/2009 |
| Q: I had a Coleman hvac unit partially installed in a house i was building. It's model # is ... A: If you look at the outside unit ( the condensing unit ) there should be a nomenclature plate that ... | |
| a/c temperature | 10/17/2009 |
| Q: If my a/c is sitting on 78 and I want to check the air temperature from the ceiling ducts by holding ... A: Kenneth, It would be most accurate to check it with in a couple of feet directly out of the ... | |
| Carrier air handler in attic for heat and air conditioner | 10/17/2009 |
| Q: We have air handler for second floor colonial home in the attic which supplies heat and air ... A: It is not necessary to insulate the line any further than where the line penetrates the equipment ... | |
| TRANE vs American Standard | 10/17/2009 |
| Q: Can anyone advise on a choice between TRANE and American Standard Systems ? Both are 3 ton units ... A: American standard and Trane are the same - just make sure the specifications of what you want to ... | |
| Duct sizes & supply locations? | 10/17/2009 |
| Q: I own an old house. The furnace/blower was located in the hall w/ the return air directly underneath ... A: With a 5 ton unit it requires approximately 400cfm of return air across the coil.You ducted 3 - 12" ... | |
| Honeywell 3000 thermostat | 10/16/2009 |
| Q: I installed a new honeywell 3000 thermostat recently. All worked fine with ac this summer but on ... A: All thermostats have a deadband setting. The dead band is used so your equipment doesn't short cycle ... | |
Answers by Expert:
Top Expert on this page
I have an extensive background in commercial refrigeration ( small portable units up to 120 ton supermarket rack systems) and commercial/residential air conditioning. I am a licensed contractor and currently own a HVAC company.
I have 16 years working and managing in the HVAC field
Organizations
Better business bureau - Air conditioning contractors of america - NATE
Education/Credentials
State License,2 year trade school training,hundreds of hours of continuing educations class covering everything from ice machine , commercial environmental panels , computer controlled supermarket racks , to simple residential units and everything in between.

©2012 About.com, a part of The New York Times Company. All rights reserved.