Heating, Air Conditioning, Fridge, HVAC - Home Appliances - Home/Garden

	AllExperts > Heating, Air Conditioning, Fridge, HVAC
	Search

Ask a question about Heating, Air Conditioning, Fridge, HVAC
Volunteer
Experts of the Month
Expert Login

Awards

About Us
Tell friends
Link to Us
Disclaimer

About Jim Barnhart
(Top Expert on this page)

Expertise
Fifty + years in Heating, Ventilating, Air Conditioning, Sheet Metal Manufacturing. Semi retired since 1995,

Experience
Answer questions about , residential and commercial. Answer questions about sheet metal fabrication. Fifty years plus experience. No answers for oil equipment, No answers for kitchen appliances, No answers for laundry appliances.

Education/Credentials
Hands on since 1950

You are here: Experts > Home/Garden > Home Appliances > Heating, Air Conditioning, Fridge, HVAC

Questions Answered By Expert Jim Barnhart
In Category Heating, Air Conditioning, Fridge, HVAC

Subject	Date Asked

A/C wall units, average run times	11/20/2009
Q: I can't ask Eric to fill in his questions below because he is booked up. Temps outside: 75-100, ... A: Steve, I don't know "Eric Campion" from Adams all Fox. How long an air conditioner runs depends on ...
hvac heating issues	11/20/2009
Q: (im an 'expert' in the saltwater aquarium section)... I have a rooftop hvac unit that is old. (20 ... A: Bill, It sounds like a high limit switch? I'm not sure which kind you have on your unit? A twenty ...
heating	11/20/2009
Q: I HAVE A 1993 RHEEM AC AND HEATING UNIT I REPLACED THE FAN LIMIT switch BUT THE UNIT TURNS ON AND ... A: Carlos, I don't understand your description? When the thermostat calls for heat the induced draft ...
Furnace blowback	11/19/2009
Q: I have a gas furnace with an electronic regulator. The system seems to work correctly when you just ... A: Cristhian, Make sure the pilot flame burns onto the burner where the gas comes out. Make sure all ...
Condensate pump is making a loud noise	11/19/2009
Q: I recently had a HVAC tech come out to perform a routine maintenance on our home furnace before ... A: Robert, It sounds like your condensate pump has a bad bearing causing the pump to run off balance ...
Taco cirulator	11/19/2009
Q: Greetings, The ciruclator (1985) on my parents furnace (1961) was making a noise. The plumber they ... A: Mike, The pump that they used for a replacement I think has a built in transformer used for an ...
fan doesn't run on heat	11/18/2009
Q: The fan does not run on heat, not on auto or when I just turn it to on. But the fan does run on a/c ... A: Debbie, You can check the thermostat by taking the R and W post wires off of the back of the ...
gas wall furnace	11/18/2009
Q: i have a gas wall furnace in a home i am just now buying, my husband and i are wanting to know what ... A: Katie, Is the furnace installed in between a 2x4 stud wall? What is the vent size opening on top of ...
gas wall furnace	11/18/2009
Q: i have a gas wall furnace in a home i am just now buying, my husband and i are wanting to know what ... A: Katie, Your question is confusing, I don't know what you have exactly? Is it a truly a "wall ...
fan doesn't run on heat	11/18/2009
Q: The fan does not run on heat, not on auto or when I just turn it to on. But the fan does run on a/c ... A: Debbie, The fan is controlled by a blower control/fan center, circuit board? I'm not sure what your ...
Central Heating and Air	11/18/2009
Q: Our ac unit is an outdoor model and the heat or air comes through the floor vents. Our is when we ... A: Sherry, There are lot's of different heating and air conditioning units that could fall under the ...
replacing pilot light/thermocouple	11/15/2009
Q: I have a Kenmore unit made by Inter-city NCC5100BHB1 The repairman said the pilot ... A: Steve, There are hundreds of different spark igniters maybe thousands over the years. I don't have ...
burners dont light	11/15/2009
Q: I have a york furnace model number P2URD16N07501A..vent motor comes on, ignitor comes on,glows ... A: Derek, Ah! What a difference it makes when you get all of the information. Now that I know that the ...
Replacing H&AC system	11/14/2009
Q: We are living in a 12 yr. old manufactured home for the past 5 yrs. We had the furnace ignitor ... A: Sharon, SEER rating is based on the amount of electric power used by the outside condensing unit. ...
furnace	11/14/2009
Q: I am thinking of purchasing a carrier infinity 96 furnace what should i be looking for to add ... A: Glen, You need a compatible thermostat that can operate the equipment that you end up with. I think ...
american standard freedom 70 propane furnace	11/14/2009
Q: our furnace is 9 years old. It is american standard freedom 70 propane with one zone. Recently, ... A: Sherry, The way it works or should work, When the thermostat calls for heat the first thing that has ...
Fridge not cooling	11/14/2009
Q: It's about 2 years old and has always worked fine. Just recently the fridge hasn't been cooling ... A: Bryan, Refrigerators are not my area of expertise, I was just trying to pass along some of my own ...
burners dont light	11/13/2009
Q: I have a york furnace model number P2URD16N07501A..vent motor comes on, ignitor comes on,glows ... A: Derek, When you hear the gas valve click or the igniter glows have a flame from one of those "BIC" ...
Coleman Evcon heater	11/13/2009
Q: In the summer my a/c worked great and as it started to cool off and I turned the heat on my heat ... A: Daniel, There is a blower relay inside your unit, the blower relay,fan control center turns the ...
Millivolt gas valve and millivolt pilot assembly kit	11/13/2009
Q: Have a 50 yr. old Coleman Gravity Floor Furnace. Pilot light won't stay on. Was told I need a ... A: Brenda, There are a few different ways that your floor furnace control system might be setup? Most ...
Fridge not cooling	11/12/2009
Q: It's about 2 years old and has always worked fine. Just recently the fridge hasn't been cooling ... A: Bryan, Pull your fridge out away from the wall, take the back panel off that covers the condenser ...
American Standard Brillant Fire Space Heater	11/12/2009
Q: Model V600 141 stopped working on it's own, I now need to tap the gas control with a soft hammer, to ... A: Keith, If there is nothing on the gas valve itself then I think your out of luck and need to call ...
Janitrol gravity furnace	11/12/2009
Q: Good morning Jim, I have an older Janitrol gravity feed gas furnace, the high limit switch is ... A: Brent, I don't think you can do any good over the phone, Johnstone deals pretty much with catalog ...
natural gas hot water furnace won't shut off!	11/12/2009
Q: I have a National U.S./ Crane hot water furnace that will run constantly! I have replaced the ... A: Dave, It's a "Hot water boiler". There are several different way's a boiler might be controlled ...
Janitrol gravity furnace	11/12/2009
Q: Good morning Jim, I have an older Janitrol gravity feed gas furnace, the high limit switch is ... A: Brent, Janitrol sold it's name back in the early 80's, basically it's Goodman now but that won't ...
Goodman Furnace Operation	11/11/2009
Q: I have a Goodman Heater, Dependable 92, Model No. GUN 075-3, Serial # 911003463. When I turn on the ... A: Lynn, I think the GUN 075-3 is a gas fired furnace, Furnace companies change models ever year or ...
Sunbeam wine cooler	11/11/2009
Q: Two years ago when my daughter was married she received a wine cooler. Jenny, didn't need or want so ... A: Keith, I'm a retired heating and air conditioning contractor, you probably know more about wine ...
HVAC	11/10/2009
Q: My furnace needs to be replaced. We are considering whether to get a central air + heat system or ... A: Sunder, You might consider fixing your existing furnace, there is nothing outside of a cracked ...
Follow up to Goodman AC ?	11/9/2009
Q: Jim Thanks very much you were very helpful. This tag also says it uses R22, Is that still in use ... A: Mike, R-22 is still in use or a substitute is available. If the unit has been contaminated to the ...
Wall furnace install	11/9/2009
Q: I read your response to the wall furnace in that bedroom. I live in a one bedroom where the bedroom ... A: Matt, I don't know what the conditions are? how much space are you trying to heat, how many rooms? ...
Central AC Unit	11/9/2009
Q: I have a Goodman Manuf. Central AC unit model # CK36-1A Seriel # 9304161326. I would like to know ... A: Mike, It's a three ton condensing unit. One ton of cooling equals 12,000 BTU's of cooling. Your unit ...
Central AC Unit	11/8/2009
Q: I have a Goodman Manuf. Central AC unit model # CK36-1A Seriel # 9304161326. I would like to know ... A: Mike, Goodman can change a model number every year, maybe even two or three times a year, I'd have a ...
Trane vs Rheem	11/5/2009
Q: Good Morning, We are needing to replace our 9 year old Bryant furnace due to a cracked heat ... A: Sue, There are a hundred or so different brands of furnaces, each brand has about fifty or more ...
heating unit	11/5/2009
Q: we have frazer johnston high effiency heating unit. gas does not blow up first and second time of ... A: John, I'm not sure what you mean by "gas blow up"? To me "blow up" means "explode" which can't be a ...
coleman evcon furnace	11/5/2009
Q: I have a coleman evacon furnace/ac unit. The a/c worked fine this summer the main fan turns on and ... A: Justin, You didn't say that the blower worked when the thermostat was set to fan on. With the new ...
coleman evcon furnace	11/5/2009
Q: I have a coleman evacon furnace/ac unit. The a/c worked fine this summer the main fan turns on and ... A: Justin, I'm not sure what your calling "the low speed fan"? Could it be the induced vent draft ...
Blower relay on airhandler	11/4/2009
Q: I have a 2004 grand air split system heat pump and the blower is not workin. I changed the ... A: Mike, If the the blower won't come on it could be the blower motor, the motor capacitor, the blower ...
Blower relay on airhandler	11/4/2009
Q: I have a 2004 grand air split system heat pump and the blower is not workin. I changed the ... A: Mike, The condensing unit doesn't have anything to do with the blower in the air handler. The 24 ...
igniter issue	11/4/2009
Q: We have a 1988 vintage Carrier Plus 90 condensing furnace. There has been on ongoing problem with ... A: Bob, The pilot dose need to engulf the electrode element with a steady non wavering flame. Make sure ...
car exhaust smell	11/3/2009
Q: we purchased a home that is 40 yrs old. Recently, I have been noticing a smell in the rooms over ... A: Julie, If you have a carbon monoxide detector in the room and your not getting anything you might ...
furniture covering wall vents	11/3/2009
Q: Jim, I am moving into a home that was built in 1973. The vents are placed in the walls about 6 ... A: Janice, You can just keep the love seat out away from the register about 1-1/2", you don't need a ...
gas smell from furnace vent	11/2/2009
Q: I smelled gas coming out of the furnace vent on the outside of my home. There was no smell in the ... A: Linda, Gas fumes smell like raw gas to a lot of people, If your gas meter is nearby you can get a ...
heater	11/2/2009
Q: I have a Trane XR80, natural gas,forced air furnace, about 7 years old. Right now it has an ... A: Rick, A "Temperature Limit Switch", there are several "Temperature Limit Switches" that open when ...
heater	11/1/2009
Q: I have a Trane XR80, natural gas,forced air furnace, about 7 years old. Right now it has an ... A: Rick, Everything you say that is happening is the normal way it should for a furnace that the burner ...
Furnace	11/1/2009
Q: The 24 volt transformer on my system burned out and smelled very bad. I replaced it with another one ... A: John, I think there is a "short" some place along the 24 volt circuit? You need to trace the 24 volt ...
dampness in roof	11/1/2009
Q: My 12 unit heating room is hot. The room is in the middle of the building below the ground floor ... A: Teresa, I don't know what the construction of your building is like? I'm assuming that the building ...
Taco cirulator	10/31/2009
Q: Greetings, The ciruclator (1985) on my parents furnace (1961) was making a noise. The plumber they ... A: Mike, First: If your mother has a service contract and it doesn't cover the controls, parts or ...
Furnace Vent	10/31/2009
Q: I have a 5 yera old gas furnace that has 2 white plastic pipes going out of the house - I believe ... A: Maria, Your furnace has a vent exhaust blower, the blower has a pressure switch that is activated by ...
Central Air Heater	10/30/2009
Q: I am in a second floor unit. The central heating unit is over 30 years old. It is housed in a ... A: Theresa, If your attic will accommodate a forced air furnace and adhere to the local building codes ...
Taco cirulator	10/29/2009
Q: Greetings, The ciruclator (1985) on my parents furnace (1961) was making a noise. The plumber they ... A: Mike, The pump shouldn't make any noise, it's not normal, I don't know what the wire business is? ...
B-vent	10/29/2009
Q: Can I B-vent an 80% furnace out the side if I put a power vent on it ANSWER: Jason, You probably ... A: Jason, You can do the same with a furnace, maybe I should say it can be done with a furnace. I ...
AmerStand Freedom 80 Furnace	10/28/2009
Q: My single-stage Freedom 80 Furnace is blowing continuously put producing no heat. Red light is ... A: Jeff, A high limit device is a control/switch that opens when the furnace over heats or doesn't vent ...
fan limit- high limit o/l	10/27/2009
Q: my fan limit switch is going out on high limit, I removed the furnace filter, checked the A coil and ... A: Bill, I think I must be missing something? Your saying that your eighteen year old furnace suddenly ...
Air ventilation	10/26/2009
Q: My girlfriend and her roommates new house has been built without a furnace or any air vents in the ... A: Adam, Lots of homes and commercial bldgs have hot water heat that flows through pipes and heats the ...
Gas Heating systems cycles on and off	10/26/2009
Q: I've signed a contract on an 18 yr. old house and my home inspection suggested immediate action for ... A: Karen, "short-cycling" could mean a lot of different thing's, there has got to be something else ...
A/C loud inside house	10/25/2009
Q: I Live in Florida, our house is 11 yrs old and I have barely ever even heard the unit inside before ... A: Shari, I don't know what the tonnage of the previous outside condensing unit was but I'm assuming ...
HVAC registers	10/24/2009
Q: how do i measure my openings to make sure i get the right size registers ? the house i bought has no ... A: Dominic, Register have dampers, Grills are just a face cover with no damper. Yes measure the opening ...
rheem gas furnace	10/24/2009
Q: I have a rheem gas furnace with induced draft as draft motor comes on but does not produce enough ... A: Chuck, I don't know what your furnace is as far as venting and combustion air supply? If it's a 90+ ...
need to find thermostat for very old floor furnace	10/24/2009
Q: I have a very old Sears model floor furnace. I've been having problems with it working sometimes ... A: Karen, There is only one thermostat that turns the floor furnace on and off. You either need a ...
Heat Exchanger Repair	10/23/2009
Q: I have a Lennox AirFlow furnace I am certain is the original furnace installed when the house was ... A: Ross, I don't recall the answer? I started out in the heating/furnace trade in 1951 and it's always ...
Using new Boiler for two zones and Domestic HW	10/22/2009
Q: I am currently running a 1959 American Standard Gas Boiler that I estimate to be approx. 500,000 Btu ... A: Howie, You can get a hot water heat boiler with domestic hot water supply ready to go, just connect ...
carrier 58MCA 120-20	10/21/2009
Q: 1993 install.furnace LED shows a rapid blinking light. label says 24V polarity reversed but furnace ... A: Warren, Did you try reversing the 24V polarity? You can check the 24 volt circuit by following the ...
retro fit historic Mouselium	10/21/2009
Q: I am looking to heat a Mouselium. The Boiler has been shut down. it is not insulated. I would like ... A: Doug, I can't really grasp your idea of useing PVC pipe for "distribution of heat" with a forced air ...
faint natural gas smell by air returns	10/20/2009
Q: We had a Bryant +95i high efficiency furnace installed 2 weeks ago. The furnace is in our basement. ... A: Dianna, Again it's not unusual for your water heater draft diverter to spill when the chimney is ...
faint natural gas smell by air returns	10/20/2009
Q: We had a Bryant +95i high efficiency furnace installed 2 weeks ago. The furnace is in our basement. ... A: Dianna, Your +95 furnace that vent's out through the wall also needs a like vent that brings air in ...
faint natural gas smell by air returns	10/20/2009
Q: We had a Bryant +95i high efficiency furnace installed 2 weeks ago. The furnace is in our basement. ... A: Dianna, I don't know exactly how your furnace, return air duct's and hallway all come together? I ...
Banging in ducts	10/20/2009
Q: Good morning. Our small bungalow was built in 1921, and our gas furnace is 57 years old with the ... A: Erin, Heating ducts 57 years ago or longer were tailor made to accommodate each individual ...
crossover duct	10/20/2009
Q: I live in a double wide manufactured home and our vents are located in the floor. A while back we ... A: Michelle, I don't know exactly what the duct is made of or what size it is? If it's a sheet metal ...
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, The "Inverter"/Air conditioner will heat the air somewhat but it's not going to most likely ...
oil in humidifier upon seasonal start up	10/19/2009
Q: Jim, I have drum/plate style humidifier on a natural gas, forced air furnace with A/C. The ... A: Larry, I have no Idea what the oily substance could be from? I don't know exactly how or where on ...
Bryant gas Furnace troubleshooting	10/19/2009
Q: I just turned on our gas heat system for the first time this year. It made an unusually loud ... A: Barry, The "rollout switch fault" means that your unit is overheating so it shuts off the burner. ...
Rheem Criterion / Blower making noise	10/18/2009
Q: My Rheem Criterion Furnace/AC unit does not turn on. The other day the fan/blower (in the furnace) ... A: Ryan, You can spin the squirrel cage by hand and see if it's free? You can try getting some oil down ...
Bryant gas Furnace troubleshooting	10/18/2009
Q: I just turned on our gas heat system for the first time this year. It made an unusually loud ... A: Barry, I can't see your furnace, I don't know what it is, where it is, what it dose do if anything? ...
Odor coming through return ducts	10/18/2009
Q: Jim, I have had this mysterious odor coming through my home for about 2 months now and NO ONE can ... A: Deserie, If your house is on a slab and the return air ducts run under the floor it's possible that ...
A/C	10/17/2009
Q: Jim..thank you. The A/C Handler, electric heater that is in the closet is right next to my bedroom ... A: Susan, What I said was "A new line set would cost the contractor about $200". The contractor would ...
re: Floor Furnace - millivolt - White-Rodgers	10/17/2009
Q: I have a floor furnace with a White-Rodgers universal replacement gas control (36C03U). I replaced ... A: Wes, Make sure all the wire splices and connections are scraped clean and tight. You can wire ...
duct cleaning	10/17/2009
Q: .the house i am in is twenty something years old. i have been here for about 12 years, and in that ... A: James, Listen to your "guy at work". I think furnace cleaning is a rip off unless you have some ...
Upgrade from 92-95% and adding variable valve/speed-Worth it?	10/16/2009
Q: I currently have TWO 80% 20 year old Tempstar 150K BTU furnaces, one for each floor in my 4600 sq ft ... A: Kris, Right now with the two 150K 80% furnaces your heating your home with 240,000 BTU's. With two ...
My unit	10/16/2009
Q: Our A/c unit stopped within 1.5 years so the company who installed it said the coil was bad so we ... A: Brian, You probably can't do anything except maybe take the company to small claims court, even if ...
New HVAC	10/16/2009
Q: A/C Techs say compressor went bad. Need new unit. I have Trane A/C 24 years old. NO A/C for over a ... A: Susan, I'm not sure what all you have or what all your looking to replace? You didn't say what the ...
Heater not working	10/15/2009
Q: It finally got cold enough to turn the heater on again and what do you know, it won't come on. ... A: Daniel the pressure switch is part of the venting system, when the thermostat first calls for heat ...
LEAKING WATER	10/15/2009
Q: One of the pipes from my air conditioner is leaking. The pipe that seems to be leaking is the one ... A: Carlos, It's a considerable few feet from the outside unit to the unit in the attic. You're not ...
AC Compressor	10/15/2009
Q: I just moved into a new rental house and I have noticed that the AC inside blower and the outside ... A: Sean, Your right in that the inside circulating blower, out side condenser fan, and compressor ...
home-furnace ducting	10/14/2009
Q: the metal grill on an intake air duct howls when the furnace fan operates. It is quiet when I remove ... A: Ed, At last count there were about 873 different types of "metal grill's on intake air duct's" give ...
Dryer Vent	10/14/2009
Q: I need to replace the outside cover of my dryer vent as the flap stay open. However, when i remove ... A: Avi, I have no way of telling how your dryer vent was installed? It's not a universal thing like ...
Dryer Vent	10/14/2009
Q: I need to replace the outside cover of my dryer vent as the flap stay open. However, when i remove ... A: Avi, Dryer vent's are comprised of the hood, damper and pipe (about 10-12 inches long) all in one ...
Furnace fan clicks on/off/on/off...	10/13/2009
Q: I just switched my Payne furnace to heat after only running my AC over the summer. It starts up and ... A: Scott, The blower relay has three functions, one in heating mode, one in cooling mode, one in fan on ...
diagnosing emminent compressor/fan motor failure	10/13/2009
Q: We are 1st time home owners and have a 96 Ruud split system heat pump. The unit will work for a ... A: Kirsten, The outside condensing unit which is pretty much the compressor and the condenser fan both ...
furnace	10/12/2009
Q: I have a Totaline thermostat 274-0100. Everything displays properly, but the heat will not stay on. ... A: Taran, It sounds like your furnace is over heating due to not getting enough air flow passing ...
Pellet Stove installation (Home)	10/12/2009
Q: I have a few questions if you can help answer, or direct this to someone who can, Please? I am at ... A: Jerry, I don't know where you live in Wisconsin? a city, town, unincorporated county? Anyway most ...
furnace	10/11/2009
Q: I have a Totaline thermostat 274-0100. Everything displays properly, but the heat will not stay on. ... A: Taran, The problem is not the thermostat, I need a description of the furnace and what it dose from ...
my gas furnace wont start??	10/10/2009
Q: I have a 2 year old gas furnace in the basement of our home, this would be the third winter used. It ... A: Krissi, You need to set the thermostat to heat, turn the thermostat up all the way 90. Go to the ...
Perfection-Schwank Wall Heater Intermittent Lighting	10/10/2009
Q: we have a standard Perfection-Schwank wall furnace,the millivolt type, which has worked for 15 years ... A: Cindy, The Wires, screws, connection points involving copper and millivolts will build up a ...
Rudd Central AC	10/10/2009
Q: Air handler works fine - voltage to exterior condenser confirmed but unit - the compressor and the ... A: Rich, There is just one contactor that is activated by 24 volt low voltage wiring that comes from ...
Rudd Central AC	10/10/2009
Q: Air handler works fine - voltage to exterior condenser confirmed but unit - the compressor and the ... A: Rich, What confirms voltage to exterior condenser? The voltage that goes to the exterior condenser ...
Testing of Rollout /Vent Safety Switch	10/9/2009
Q: Could you provide info on how to test the rollout and vent safety switch to see if they are any ... A: John, What is it on? How is it used? A Rollout is activated by heat, a rollout switch is normally ...
Rheem Furnace	10/9/2009
Q: I have a two year old Rheem furnace - I noticed last year that approximately 1 in 10 cycles that the ... A: Robin, You need to be at the furnace observing the burner compartment to see exactly what it's doing ...
Direct vent LP gas furnace	10/8/2009
Q: My oil tank split and my oil forced hot air furnace is over 40 years old, so I decided to switch to ... A: Pat, Ruud and Rheem are the same furnace the only difference is the name and maybe the paint color? ...
furnace blowing cold air	10/8/2009
Q: i turned my furance the other day to get chill off the house..it worked fine.. i did it again ... A: Betty, There is a down flow and there is a horizontal but not both at the same time. I think there ...
Rheem Furnace	10/8/2009
Q: I have a two year old Rheem furnace - I noticed last year that approximately 1 in 10 cycles that the ... A: Robin, The main furnace blower has a timed switch that starts the blower running a short time after ...
Carrier Furnance Model 58PAV090-14	10/8/2009
Q: Furnace will not ignite. Blower comes on, Draft inducer starts, igniter glows orange, but no flame. ... A: Chris, If the igniter glowes but the gas dosen't light the ignighter may not be positioned close ...
AC AND FURNACE COMPATIBILITY	10/7/2009
Q: I JUST BOUGHT A NEW THREE AND A HALF TON CENTRAL AIR UNIT LAST YEAR. NOW I NEED A NEW FURNACE. WILL ... A: Terry, I'm not saying "they are not compatible" I'm saying what need's to be. As far as air ...
Lennox Furnace watchguard mode	10/7/2009
Q: Since starting up my furnace last week, it has gone into "watchguard" mode (indicated by the LED ... A: Andi, When the LED flashes it flashes a code, there should be a legend stuck onto the furnace nearby ...
purpose of venting system	10/7/2009
Q: I would like to know what is the purpose of a venting system. I've been living on a house that we ... A: Elsa, If you have a friend or relative that can take a look at your furnace vent pipe, someone with ...
Replacing a downflow gas furnace	10/7/2009
Q: I am replacing a 80% AFUE downflow 75,00 btu 2 ton Hiel natural gas furnace. the furnace is located ... A: Chris, There are attics and there are attics, If the attic will accommodate a furnace and the access ...
Humidifiers	10/7/2009
Q: i have a few questions regarding my furnace and installing a humidifier on it. What kind of ... A: Paul, I hate furnace humidifies. In my fifty plus years of dealing with peoples heating systems I ...
Lennox Furnace - G43UF Series	10/6/2009
Q: Jim - attempting to start furnace for first time this season - it seems the process gets to the ... A: Josh, When the thermostat call for heat the first thing that happens is the induced draft vent ...
lp furnace	10/6/2009
Q: I'll start from the beginning. I bought my house last August it's in town and I have little lp ... A: Ben, I guess my question to you would be if the furnace is set up for LP gas, orifices and pressure ...
HVAC replacement cost	10/5/2009
Q: How much does HVAC cost? Our home is 2800 s.f. We've got two separate units...3 tons each, 3 ... A: Rebecca, There is no rule of thumb as far a price, the rule of thumb is how much the materials cost ...
Central Air/Heat System	10/5/2009
Q: I am looking for a 13 seer or greater central air & heat system for new construction home of ... A: Ann, In my opinion all residential units are equal in quality if you compare apples to apples. Seer ...
Old furnace	10/4/2009
Q: I have an old Henry Furnace. The identifying plate says that it is a Henry Furnace CO. Medina O. ... A: Ivan, How old is your Henry (approx)? I understand it has a standing pilot, what is the gas valve? ...
1969 a/c unit replacement	10/3/2009
Q: Jim, I'm asking about replacement of a 1969 Payne a/c unit for my condo. it is a 1.5 ton unit and ... A: Sue, A 1.5 or 2 ton air conditioner requires 3/8" and 3/4" lines. I don't know of a Payne unit ...
woodburner	10/3/2009
Q: Jim: Thanks for your service. My question is about proper vent of a wood burner. My plan is to ... A: Rich, There are three types of vents. A single wall metal vent is a "C" vent A double wall metal ...
faulty zone valve	10/2/2009
Q: I have one zone of 3 which is not getting hot water. I switched the thermostat to verify that is not ... A: Ian, Your dealing with a "Hot Water Boiler". I suspect that when the zone in question call's for ...
Slant Fin GG-150 pilot light won't stay lit.	10/2/2009
Q: A few months ago, the pilot went out on this boiler, but it was the beginning of summer so we didn't ... A: Rod, Take a look inside the burner compartment of your boiler at the pilot light assembly. The ...
american standard freedom 80 flame sensor	10/1/2009
Q: . it works great but while the furnace is running and heating it will all of a sudden start to click ... A: Amber, What dose that mean, "My husband took it off and cleaned it but we cannot find the part ...
RHEEM 80 Imperial	10/1/2009
Q: I have just purchased a house and the HVAC unit is a RHEEM 80 Imperial. It has worked well all ... A: George, When the thermostat calls for heat first the induced draft vent blower comes on, next the ...
Slant Fin GG-150 pilot light won't stay lit.	9/30/2009
Q: A few months ago, the pilot went out on this boiler, but it was the beginning of summer so we didn't ... A: Rod, The boiler needs a new thermocouple. Thermocouple is the element that the pilot flame burns ...
furnace won't fire	9/30/2009
Q: Bryant Model Plus 80 High Efficiency funace with NO pilot light. When i turn on the blower goes but ... A: Al, Count the flashes from the red light, it's sending a message, there should be a legend stuck ...
gas heat tries to come on with A/C	9/29/2009
Q: I have a Tempstar unit. I know nothing about Heating and A/C.. But I noticed the other day that my ... A: John, Your saying, "With the R %26 W connected the heat runs fine". "With the R %26 Y connected the ...
gas heat tries to come on with A/C	9/29/2009
Q: I have a Tempstar unit. I know nothing about Heating and A/C.. But I noticed the other day that my ... A: John, Are you saying that your unit is not a heat pump? This is the way it works. Thermostat, the ...
AC motor	9/28/2009
Q: We installed a new 5-ton A/C unit about six years ago. Over the weekend the capacitor blew and it ... A: David, My answer in regards to buying a motor was that you could DIY, having a company install it ...
Trouble with new A/C	9/28/2009
Q: I got a new airconditioner about a month ago. Since then, it doesn't work the way my previous (22 ... A: Tim, It sounds like your repair man's been drinking his bath water? I don't know exactly what type ...
AC motor	9/28/2009
Q: We installed a new 5-ton A/C unit about six years ago. Over the weekend the capacitor blew and it ... A: David, If you are talking about your condenser fan motor outside, it might not run fresh out of the ...
zone valve on boiler system	9/28/2009
Q: I have an old American Standard gas fired hot water boiler. It's model G25DP, series 6BJ5. I'm in a ... A: Jamie, I don't know what all your boiler has in the way of 24 volt controls? You need a transformer ...
Thumping noise from evaporator coil	9/28/2009
Q: I just found this site; thanks for what you do. Last night our ac started making a thumping noise, ... A: Matt, There are are hundreds of Carrier units which means hundreds of model numbers, every year or ...
heat pump tries to come on with A/C	9/27/2009
Q: I have a Tempstar unit. I know nothing about Heating and A/C.. But I noticed the other day that my ... A: John, What has always puzzled me is why anybody would have a heat pump and gas heat? A heat pump is ...
zone valve on boiler system	9/26/2009
Q: I have an old American Standard gas fired hot water boiler. It's model G25DP, series 6BJ5. I'm in a ... A: Jamie, Get two 3/4" Honeywell Zone Valve and Thermostat Builder Packs. Install the valves at the ...
"Clicking" in the water supply line on a Trane XR80	9/26/2009
Q: We recently moved into a new house and the XR80 unit is in the attic. Periodically we can hear a ... A: Brian, An "XR80" is a gas fired forced air furnace for the purpose of heating, if a person want's ...
furnace venting	9/25/2009
Q: We are going to be replacing a natural gas furnace that is nearly 30 yrs old and have been getting ... A: Blaine, Your not telling what size the existing furnace, the proposed furnace and the water heater ...
A/C System Replacement	9/24/2009
Q: My Rheem 3 ton A/C was installed in 1990 when I had my home built. The unit appears to be running ... A: George, Your ac unit shouldn't be needing to be re-charged with refrigerant every year. Seer rating ...
Air condition vent in hallway above baseboard	9/24/2009
Q: I bought a new 16x25 metal ac vent to replace old one in wall. However to fit, had to turn it ... A: Karen, I'm not sure what you have going there in the hallway? People use the word "vent" for ...
Compressor; outside unit; fan comes one;compressor does not	9/23/2009
Q: Goodman Manufacturing outdoor compressor: Model CKL42-1A; 6 years old. In June of 2008 the ... A: Andy, If your getting power to the compressor it would run unless it were faulty. When the contactor ...
short cycle problem	9/23/2009
Q: I have two questions I hope you can help me with. 1.How would you remedy a furnace burner short ... A: Ron, When a furnace burner is supposed to light automatically after receiving a command from some ...
2-stage cooling variable fan operation	9/22/2009
Q: After complaints about HVAC overall noise contractor suggested to install 2-stage system. He said it ... A: Vlad, I don't know your Trane XV95, I don't know how it's installed, there is mechanical noise and ...
Lennox AC Model 10ACB30-9P	9/21/2009
Q: My AC just stopped working-with the thermostat set to run, the outdoor condenser unit clicks and ... A: Chris, The outside unit is on a separate circuit from the inside unit. The outside unit condenser ...
noisy fan	9/21/2009
Q: Hey Jim, you answered a question I had a week or so ago about a noise in my central air unit fan. ... A: Gene, Motors have a thermal overload protection device built in. If your motor is running under ...
Lennox airhandler turn-on noise	9/16/2009
Q: I have a 4 year old Lennox a/c system. It has been thoroughly checked by two repair companies ... A: Andrea, I don't know what is causing the noise? When your systems thermostat calls for cooling the ...
heat pump odor	9/16/2009
Q: We have a 25-30 year old heat pump. Our air handler is in the attic. About 2 months ago we had to ... A: Sheila, Check or have the condensate drain line checked that runs from the condensate drip pan of ...
Left Over Duct or Necessary Vent?	9/16/2009
Q: I have a house that was built in 1969. The HVAC unit is natural gas and is installed in a closet ... A: Josh, If the closet door has a lot of air seepage around it, side's, top and bottom the furnace has ...
HVAC -FAN	9/15/2009
Q: HVAC Question. The thermostat is turned to off and the fan is set to auto. The fan will not shut ... A: Duane, Your unit, which ever type you own has a fan control. The fan control determines how and when ...
Left Over Duct or Necessary Vent?	9/15/2009
Q: I have a house that was built in 1969. The HVAC unit is natural gas and is installed in a closet ... A: Josh, How dose the air get from the 7" duct into the living area if the door is shut? The 7" duct is ...
Left Over Duct or Necessary Vent?	9/15/2009
Q: I have a house that was built in 1969. The HVAC unit is natural gas and is installed in a closet ... A: Josh, If there is a solid door on the closet, solid meaning no grills or louvers you need the 7" ...
Hanging heat pump air handler in attic?	9/15/2009
Q: I recently had a water damage problem from the air handler unit of my heat pump in my attic. The ... A: Mike, Every Heating and Air Conditioning Contractor is going to try to save a couple of dollars by ...
Heat supplies and cold air returns in basement	9/14/2009
Q: I am in the process of finishing my basement and had a general question about the HVAC ... A: Ray, I have no idea where or how you added anything? I have no idea what the bed rooms are? size ...
Closing a floor vent completely	9/14/2009
Q: Our house is on a slab and all the floor vents are in front of the windows in every room. The only ... A: Dana, You can cover the heat supply register ("vent")with just about anything. You didn't say what ...
Condensation drip	9/13/2009
Q: The condensation drip pan in my attic was filling up and shutting down the unit due to the float in ... A: Jon, OK you solved the problem with the condensate drain in the attic, no problem, no need to ...
moving a combo heat & air unit	9/13/2009
Q: I have a Gas Heat/Electric Cooling packaged unit,(1997) that sits beside my front door. It is quite ... A: Mary, If the back porch is open so that the condenser fan can blow/exhaust freely un obstructing the ...
running ac and light	9/12/2009
Q: i have a 12 year old bryant ac unit #383kav060111 the red light flashes continually the chart says ... A: Rich, "Line polarity" If your talking electricity is the hot line and the natural line. The electric ...
Upgrade	9/12/2009
Q: I currently have a 10 seer 3.5 ton ac unit. I live in a 1600 sq ft house in a warm climate. The only ... A: Kevin, If your sticking with the 3.5 ton's of cooling you can use the same line set. Sounds like the ...
ventilation	9/11/2009
Q: We are buying a house in a short sale (house less than one year old, but builder is bankrupt). ... A: Shauna, There is an international building code for the United States, The code is adopted by the ...
Foul smell when furnace or air is running	9/10/2009
Q: We just bought a manufactured home that has a foul odor (kind of musty and garbagey) coming from the ... A: Jane, You need to find where the condensate water from the cooling coil drip pan goes? It should ...
condensation at registers	9/10/2009
Q: HVAC contractor installed three separate split units in new construction. Condensation is forming ... A: Len, Any time you have cold air flowing through the metal ducts if any part of the outside is ...
AC change to Heat Pump	9/9/2009
Q: We had a new 4000sf house built (9 mo old)in the NW (Seattle ares) so cooling is really not an ... A: John, You need to check with your utility company? Where I live It would cost twice as much to heat ...
AC drip line blowing air	9/9/2009
Q: My evaporator coil was recently replaced (one of two separate systems in the attic). Now when the AC ... A: Sean, Dose your condensate drain have a "P" trap? Yes your condensate drain needs a "p" trap all ...
furnace choices	9/9/2009
Q: Do you have any guidance on choosing between Carrier, Lennox, and (much cheaper) Goodman for a ... A: Ted, I think residential gas furnace are equal in quality, it's the distributors and installers that ...
a/c unit noise	9/8/2009
Q: I have a Goodman central air unit that's making kind of a squeaking or high pitch, rattling sound ... A: Gene, The motor is supposedly permanently lubricated from the factory, there are no oiler places, ...
Possible A/C odor	9/7/2009
Q: For the last two summers, there is a foul smell that goes through my entire house only when the A/C ... A: Heather, Furnaces and air conditioners are not installed in homes in the same manner throughout the ...
Home AC Drain	9/7/2009
Q: Hey Jim, I cannot stop the excess condensate from coming out of the overflow pipe and landing into ... A: Mark, What you wrote: "When I take the main drain off at the unit, the overflow stops completely" My ...
Possible A/C odor	9/7/2009
Q: For the last two summers, there is a foul smell that goes through my entire house only when the A/C ... A: Heather, I can't think of anything other then the cooling coil, drip pan, and drain pipe assembly ...
Sudden Burnt smell in house	9/7/2009
Q: Last night, we had a sudden burnt smell in our house appear and its not really going away. It ... A: Darcy, I don't know what it is? I think if it were your air conditioning system you would smell it ...
Possible A/C odor	9/6/2009
Q: For the last two summers, there is a foul smell that goes through my entire house only when the A/C ... A: Heather, Check the condensate drip pan, Condensate drip pan drain line. I don't know what the drain ...
Lennox vs Bryant	9/6/2009
Q: Have been getting quotes on new HVAC systems and have our contractors narrowed down between a Lennox ... A: Scott, Lennox and Bryant are equal in quality if you compare apples to apples. Lennox is a "click" ...
post script on previous question	9/5/2009
Q: I don't know if I was able to post the last part of the question. It was that the house was built ... A: Esther, You probably don't need a lot of heat in Brownsville? You can get a couple of window units ...
A/c fan inside will not come on	9/5/2009
Q: I have an old whirlpool gas heat/ac unit in closet. bout 15 yrs. New digital thermostat replaced ... A: Mike, First let me say that installers may carry a spool of thermostat wire in there truck like a 5 ...
post script on previous question	9/5/2009
Q: I don't know if I was able to post the last part of the question. It was that the house was built ... A: Esther, I don't know anything about your house other then it has 572 sq.ft. that you want to cool, ...
Water in the drain pipes	9/4/2009
Q: I change the filter every month religiously to my home A/C unit that's inside the house, so I ... A: Richard, There is a condensate drip pan underneath the cooling coil. The drip pan is about 1-1/2" ...
Thermostat wiring	9/3/2009
Q: Just installed a new thermostat which can be powered by the 24 v common. My builder was nice enough ... A: Ronald, I don't have a manual on your "Hunter Model 44860" I don't know what the "C" 24 volt common ...
Fan (Blower?) not working	9/3/2009
Q: We have a very old (decades) Fraser-Johnston furnace/air conditioner in our hall closet. Last night ... A: Erick, If your blower motor is faulty, won't start but the out side condenser unit is running the ...
Flame out	9/3/2009
Q: I have a American Standard XE 90" Model UC080C942 six year old propane gas furnace. My problem is ... A: Scott, There is that little channel or tube that runs across the front top of the burners close in ...
Ductwork	9/3/2009
Q: Can you help me with a few questions? I'm going to install a 2 ton Goodman seer 16 AC condenser and ... A: Terry, Is this a new house under construction? I don't know the lay out of your utility room, but if ...
Thermostat wiring	9/2/2009
Q: Just installed a new thermostat which can be powered by the 24 v common. My builder was nice enough ... A: Ronald, A thermostat is just a switch, there are all types of thermostats used for switching all ...
Replace or repair?	9/2/2009
Q: We live in Las Vegas in a 22 years old house. Our house is a 2 story home, about 3,031 sq. feet. The ... A: Oliver, I think you probably have a heat pump? If you don't have gas run to the house or a monthly ...
Chrysler air conditioner	9/2/2009
Q: I have an old Chrysler air conditioner that was installed in a casement window. It has no outside ... A: Fred, I don't do window units but a self contained window unit requires outside overhang. There are ...
Spiral Duct CFM Question	9/2/2009
Q: Does 8" spiral duct have a higher cfm capacity than regular 8" round pipe? A: Arnold, Eight inch round is 8" round. An 8" metal duct has a crimp at a joint which reduces the ...
Ductwork	9/2/2009
Q: Can you help me with a few questions? I'm going to install a 2 ton Goodman seer 16 AC condenser and ... A: Terry, I don't know what your plan is for the two return air ducts? You need at least 200 square ...
Replace or repair?	9/1/2009
Q: We live in Las Vegas in a 22 years old house. Our house is a 2 story home, about 3,031 sq. feet. The ... A: Olivier, 1. I don't know the condition of your furnace or heat pump (you mentioned both) I don't ...
Ductwork	9/1/2009
Q: Can you help me with a few questions? I'm going to install a 2 ton Goodman seer 16 AC condenser and ... A: Terry, A 6" rd. duct carries 28 sq. inches, eight 6" ducts = 226 in. Eight-8x8 registers depending ...
Another question about faulty blower	9/1/2009
Q: it's greatly apreciated. Could either of the faulty blower or the other one u listed be caused by ... A: Josh, You or someone need to get up on the roof and see what's going on? No, too much freon isn't ...
trane heat and air pump	8/31/2009
Q: I have a late 70's mobile home in reasonable shape all windows are shaded out to prevent heat from ... A: Jacquelyn, I can't follow your discription of those two 10" flex return ducts or what type of 18x14 ...
Amana HVAC Failed, Installer Out of Business	8/31/2009
Q: In 2000 I had an Amana 13-SEER split HVAC system installed in a rental house. I received on my ... A: Char, The compressor if it had any warranty left would be from the Amana people, you need to contact ...
Train XL 80 A/C blower stops after a while	8/30/2009
Q: I have a pair of Trane XL 80 A/Cs with 50A51-405 controllers in the attic with outside Rheem classic ... A: Joe, When the thermostat calls for cooling the thermostat R wire which is the power wire to the ...
Train XL 80 A/C blower stops after a while	8/30/2009
Q: I have a pair of Trane XL 80 A/Cs with 50A51-405 controllers in the attic with outside Rheem classic ... A: Joe, I don't have the literature nor the time for researching makes and models, it's so much essayer ...
Boiler asbestos	8/30/2009
Q: I work for an HVAC company in western Massachusetts and recently had to remove an old (at least ... A: Sam, A sixty year old boiler I'd say very likely. A 100% sure your boss wouldn't know that it ...
Jim, I'm back ....no luck with igniter	8/30/2009
Q: It's Jim in Michigan. Remember, I said on 8/21 that my Tempstar natural gas furnace was doing ... A: Jim, It takes 24 volts to open the gas valve, with no power it won't open just like a light bulb no ...
air conditioning	8/29/2009
Q: We just saw a house for sale, but we would like to know why the air conditioning vent in the living ... A: Esther, OK "the unit is in the hallway closet" your not describing the unit as anything but an air ...
Jim, I'm back ....no luck with igniter	8/29/2009
Q: It's Jim in Michigan. Remember, I said on 8/21 that my Tempstar natural gas furnace was doing ... A: Jim, I don't know what to tell you? 24 volts goes to the thermostat to begin with, The thermostat is ...
Humidifiers	8/29/2009
Q: It works well. The installer wanted to install a dehumidifier with it, but I hesitated because in ... A: Kevin, I have never in my fifty plus years of HVAC related equipment found a furnace installed ...
adding another ac vent	8/29/2009
Q: I have an ac/heating vent that is in the bathroom toilet stall room, above the doorway, and would ... A: Bonnie, I'm not sure what you have for a wall space thickness or what type of register box is in the ...
Furnace Fan keeps running	8/28/2009
Q: Model GNI100A016BIN Comfortmaker RPJ II gas furnace cool air is blown continuous until I turn off ... A: Mike, If you disconnected the wires from the thermostat (all the wires that come out of the wall) ...
Heating pipes in attic	8/28/2009
Q: My house was built in the 1940s when energy efficiency was of no concern. As a result, the heating ... A: Win, I don't know what the rules and regulations are heating systems in Canada? I don't know what ...
Jim, I'm back ....no luck with igniter	8/28/2009
Q: It's Jim in Michigan. Remember, I said on 8/21 that my Tempstar natural gas furnace was doing ... A: Jim, I think your furnace is working up to the point where it won't open the gas valve either ...
Heat Pump Tonnage	8/28/2009
Q: We are looking for some information about the two heat pumps which are installed at our house. One ... A: Jeff, Both units should have the btu's on the Label/Rating plate. The Goodman model number CPLE(30) ...
Moisture dripping in vent tube from water heater	8/27/2009
Q: I just moved in a house which was built in 2005. Whenever we use hot water for a longer time (say ... A: Ben, I don't know how your vent is ran other then from the garage up through the roof. The ideal ...
Central air not working properly	8/27/2009
Q: My friend has central air in his house. I don't know any details about the unit, but he keeps it set ... A: Kathy, You answered all my questions just by saying "the unit is in the attic". There is an outside ...
Air Conditioner lines are condensing onto my ceiling	8/27/2009
Q: I have an 18 year old, split, HVAC system. I have a single unit servicing a 2 story house. I live ... A: Todd, I'm so sorry, I got your question mixed up with a similar question, erase my last answer and ...
Moisture dripping in vent tube from water heater	8/27/2009
Q: I just moved in a house which was built in 2005. Whenever we use hot water for a longer time (say ... A: Ben, Have you seen any moisture or are you just hearing what sounds like dripping? Are you getting ...
Comfortmaker T874 Replavement	8/27/2009
Q: I am trying to replace a Comfortmaker T874 thermostat. It had White (W) Blue(C) Green (G) Red (R) ... A: Mike, There are too many different types of thermostats and too many different things they might ...
HVAC	8/26/2009
Q: I'm in a maintenance department and the facility were i work has an ongoing problem that i simply ... A: Bill, I think your talking about 24 inch T-bar ceiling diffusers? You need to lift out a couple of ...
AC Question	8/26/2009
Q: We bought our home just over a year ago brand new. It is a two story, about 2400 sq feet. We live in ... A: Tammy, Are you saying that you have two separate air conditioning systems, one for upstairs and ...
New A/C not as cool	8/25/2009
Q: I just replaced a 20 year old Trane A/C with a new XR-15 Trane. The installers also replaced the ... A: Roger, A stem thermometer has a round dial face with a stem probe about 1/8" X 4-5 inches with a ...
New A/C not as cool	8/25/2009
Q: I just replaced a 20 year old Trane A/C with a new XR-15 Trane. The installers also replaced the ... A: Roger, There is nothing that you can adjust, the system may be low on refrigerant? You don't have ...
Residential Central Air	8/25/2009
Q: Jim, and thank you in advance for considering my question. We have a entry level, residential ... A: Aaron, It's either the fan motor or the compressor one of which is under stress? You can try ...
New A/C not as cool	8/25/2009
Q: I just replaced a 20 year old Trane A/C with a new XR-15 Trane. The installers also replaced the ... A: Roger, If your thermostat is set at 81 and the air conditioner shuts off then it must be 81 degrees ...
Blown Compressor Motor	8/24/2009
Q: I have two different A/C repair people telling me different things. My compressor motor is blown One ... A: Mary, I'm not sure what Type of unit you have or exactly what is "blown"? Do you have a self ...
utilizing furnace to recycle air in house	8/24/2009
Q: I have a newer Conquest 80 Propane furnace. I recently purchased a pellet stove and placed it in our ... A: Chris, I don't have a manual on a "Conquest 80 Propane furnace". If you have a heating only furnace ...
Humidifier	8/24/2009
Q: I live in Sedona, Arizona (high desert, very dry) and moved from the East Coast. I'm still not used ... A: Mark, If you have a refrigerated air conditioning system in your house you can't run the air ...
replacement HVAC system	8/23/2009
Q: Jim, Thanks for your time. We are replacing our 15 year old split A/C and furnace as the E coil is ... A: Bob, In regards to the two existing return air grills at the floor level. Are the grills in the ...
AC - Heat Pump Vent	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, Somebody just drilled a hole and stuck the condensate drain in, there's nothing down there for ...
air conditioning	8/22/2009
Q: Ok...during the day today me and the wife noticed it getting hot. I thought the air was turned up so ... A: Ronald, When the thermostat calls for cooling it clicks on a contactor switch in the outside unit, ...
replacement HVAC system	8/22/2009
Q: Jim, Thanks for your time. We are replacing our 15 year old split A/C and furnace as the E coil is ... A: Bob, You have a big advantage over me because you have access to everything concerning heating and ...
air conditioning	8/22/2009
Q: Ok...during the day today me and the wife noticed it getting hot. I thought the air was turned up so ... A: Ronald, I don't know what type of equipment you have? You lost me with the description "i punched ...
replacement HVAC system	8/22/2009
Q: Jim, Thanks for your time. We are replacing our 15 year old split A/C and furnace as the E coil is ... A: Bob, There are "manual J" calculations and there are "manual J" calculations. It would have been ...
No burner ignition ...	8/21/2009
Q: Jim, I installed a Tempstar (Intl Comfort Products) natural gas furnace myself in our house just ... A: Jim, When the thermostat calls for heat the "induction motor" starts and proves itself by way of the ...
air conditioning problem	8/21/2009
Q: would a 5 ton unit freeze up if it was one pound low on freon? i had a service tech come to my house ... A: Mark, I don't think a system being short one pound would cause a freeze up by itself. I have a hard ...
air conditioning problem	8/21/2009
Q: would a 5 ton unit freeze up if it was one pound low on freon? i had a service tech come to my house ... A: Mark, What type of unit? inside, outside, attic, basement? If you weren't home how could he inspect ...
macthing compressor to handler	8/19/2009
Q: i have a air handler FEM2X3600AI in the attic , my compressor is over 10 years old , which is a ... A: Albert, If the air handler is compatable it dosen't matter what the make is, being compatable with ...
control transformer primary winding burning up	8/19/2009
Q: I have a basement furnace (trane) 1988. Last week the control transformer primary winding burned up, ... A: Dan, The 110 electric service to your furnace feeds a branch to the blower/blower controls and a ...
Central AC unit Trane XR11	8/18/2009
Q: Our unit does not respond when the thermostat calls for cooling, the home blower kicks in but ... A: Den, The inside unit is on a separate circuit breaker in the house breaker box most likely a 110-120 ...
GE HVAC smell - rating	8/17/2009
Q: I have a GE HVAC unit in my rental apartment. Every time I try to run it it smells awfully - it ... A: Zhanna, I didn't want your address! what I should have said is instead of "I don't know where you ...
Duct sizing for a 2.5 ton a/c system	8/17/2009
Q: I have a customer of mine who has a 2.5 ton hvac system. We just replaced his ductwork. He had (5) ... A: Adam, You never did give a size and location or description of the supply's other then 6" box ...
Duct sizing for a 2.5 ton a/c system	8/16/2009
Q: I have a customer of mine who has a 2.5 ton hvac system. We just replaced his ductwork. He had (5) ... A: Adam, I think I could give you some helpful tip's and a couple of helpful inexpensive ways you ...
venting dryer and HVAC, concerned	8/16/2009
Q: We live in a condo that requires that we have ventless dryers. Our upstairs neighbor is trying to ... A: Emily, Yes, my advice is, tell them that it's against the law and if they do anything as stupid as ...
Central Air unit won't turn on	8/15/2009
Q: I have a carrier central air unit. Last night there was a power outage due to a storm. When the ... A: Harold, The outside unit is on a double 220/240 circuit breaker. The inside unit is on a 110/120 ...
Duct sizing for a 2.5 ton a/c system	8/15/2009
Q: I have a customer of mine who has a 2.5 ton hvac system. We just replaced his ductwork. He had (5) ... A: Adam, So what is the complaint exactly? "He is complaining that now his system is not doing what it ...
Drain line problem	8/15/2009
Q: I tried to do a mantenace on my air conidioner every 6 months, and I got alot of dirt out of my ... A: Sue, You didn't furnish any information on what your air conditioner consists of? You didn't mention ...
ac	8/14/2009
Q: I have a 1900sq ft ranch in NJ with a confortmaster 3 ton compressor which is about 10 years old and ... A: Albert, Very interesting! How do you know your Condensing unit is "ONLY PUTTING OUT 32800 BTU"? I ...
CENTRAL AIR ISSUES	8/13/2009
Q: We are currently experiencing no air flow in our home. The outside fan is moving and there is no ice ... A: Larry, Did you read my last answer? I don't have any idea what your AC unit is or where it is ...
CENTRAL AIR ISSUES	8/13/2009
Q: We are currently experiencing no air flow in our home. The outside fan is moving and there is no ice ... A: Larry, Your question is confusing? You start out saying "We are currently experiencing no air flow ...
Refig.	8/13/2009
Q: My frezer works fine but the ref. does not. What could be wrong? Any simple fix that I can do? ... A: Marie, Food refrigerators are not my line but from my own experience you need to pull the ...
Outside coils deterioation	8/13/2009
Q: The coils on my outside unit Tempstar 2200 12 + Seer Heat Pump installed 12/12/02 have deterioated ... A: Mary Jo, I think sometime in those seven years somebody sprayed some type of chemical on your ...
A/C Dead Fan outside not turning	8/12/2009
Q: The fan outside is not turning on the unit. You can hear that the power is on. What could be the ... A: Tina, The name is "Fraser-Johnson" Formerly a dvision of Borg-Warner, York International is now spun ...
HVAC problem fixed	8/12/2009
Q: Hey Jim, The HVAC guys came out and all I needed was some freon. The small lineset was pulsating ... A: Bryan, I'm glad you found the problem. I went back through the correspondence and couldn't find ...
A/C Dead Fan outside not turning	8/12/2009
Q: The fan outside is not turning on the unit. You can hear that the power is on. What could be the ... A: Tina, I doubt if the fan motor is covered by warranty, you need to ask the installing company. You ...
Williams Propane heater lighting problem	8/11/2009
Q: I have a William direct vent wall mount propane heater. These are the specs: Model: 3003621 Serial ... A: Cliff, Yes PG to GV bypassing the thermostat plus all the thermostat wires and a limit control. The ...
Hvac problem	8/11/2009
Q: It wouldn't let me ask another question. Alright back to water dripping from the coil onto the ... A: Bryan, From your sketch is shows that the blower pulls the air up through the coil as opposed to ...
AC not cooling	8/11/2009
Q: I have a goodman cental AC, the unit works outside and the pipe going to the compresser is very ... A: Larry, The inside unit furnishes the 24 volt electric power that turn the outside unit on which ...
Williams Propane heater lighting problem	8/11/2009
Q: I have a William direct vent wall mount propane heater. These are the specs: Model: 3003621 Serial ... A: Cliff, To check if the problem is in wiring/thermostat you can wire directly from the pilot ...
air conditioner fuse	8/11/2009
Q: What amp fuse should I get for an air conditioner (outside unit) model MGH075ABWN05. The ones I ... A: Helen, The outside unit should have a rating plate right where the electric service goes into the ...
6 year old Goodman Furnace w/ac	8/10/2009
Q: With Energystar Thermostat OFF and/or disconnected from wall, the fan motor will turn ON and OFF ... A: Rob, I can't seem to get an answer to a direct question?Dose the blower run/cycle on and off when ...
6 year old Goodman Furnace w/ac	8/10/2009
Q: With Energystar Thermostat OFF and/or disconnected from wall, the fan motor will turn ON and OFF ... A: Rob, Is the furnace blower turning on for no reason? the thermostat is not calling for heating or ...
HVAC problem	8/10/2009
Q: I have a carrier airhandler/heat pump, I cleaned the coil inside about 2 months ago because I was ... A: Bryan, The primary drip pan in the unit has got to be clogged/ stopped up enough to be causing the ...
6 year old Goodman Furnace w/ac	8/10/2009
Q: With Energystar Thermostat OFF and/or disconnected from wall, the fan motor will turn ON and OFF ... A: Rob, I don't understand how with the thermostat disconnected from the wall the unit could be in any ...
HVAC problem	8/10/2009
Q: I have a carrier airhandler/heat pump, I cleaned the coil inside about 2 months ago because I was ... A: Bryan Do you have two units in the attic? "the hvac is down flow in the attic". "the air handler is ...
Leaking a/c	8/10/2009
Q: I have a Trane 8kw a/c. theres an inside and outside unit. Its in a closet and its been leaking ... A: Lia, Your just showing me where the water is coming out, I think up above inside the duct there is a ...
Black Around Air Vent	8/8/2009
Q: There is black around my air vent in the living room. The living room vent is the only one that has ... A: Raney, What I'm trying to say is the "black" may not be coming from the furnace air but from the air ...
new condenser hanging over slab	8/8/2009
Q: The new condenser is longer than the slab it is on. The contractor says since the heavy part of ... A: Greg, I don't know what your condensing unit is? There should be a couple of channel iron supports ...
WATER	8/7/2009
Q: Jim, I live in northwest Louisiana, high humidity. The problem is after running for long perods of ... A: John, I'm assuming that you have some type of heating, cooling, or heating and cooling unit in the ...
help with chewed wires	8/7/2009
Q: Mr. Barnhart- I submitted this question to Mr. Trimborn also but then came along a question you ... A: Candi, When the thermostat calls for cooling the thermostat turns on the blower in the furnace in ...
Black Around Air Vent	8/7/2009
Q: There is black around my air vent in the living room. The living room vent is the only one that has ... A: Raney, Black around supply air diffusers isn't always something coming out of your air unit. There ...
Carrier 3 ton package unit	8/6/2009
Q: Jim; thank you in advance for any advice on this matter. We have a unit that I don't know much ... A: gabriele, Motors on HVAC units don't have oilers/oil holes any more, there supposedly lubricated for ...
Filters	8/6/2009
Q: Can split system heat pumps (that is a system that has an exterior unit and an internal inverter) ... A: Roger, Operating the inside unit (air handler) without a filter (in the heating mode) will suck ...
Condensate Drainage	8/6/2009
Q: My condensate pump was overflowing. Realized it was only pumping when water level was low, not ... A: DJ, I have no Idea what your talking about? Your condensate drain is not a carbon copy of the rest ...
mold in furnace	8/6/2009
Q: We had a routine air duct cleaning today on our furnace. Our house is 14 years old and have probably ... A: Natasha, I can't see your furnace/duct work but my initial feeling is that you already have been ...
Apartment A/C	8/5/2009
Q: i have a question about my apartment and how long it should take to cool the unit when operating. ... A: John, Depending on the outside tempature? Depending on what you want the inside tempature to be? ...
Installation price?	8/5/2009
Q: wanted to know if $5,000.00 is a good price for a 3ton - 100,000 btu rheem packaged rooftop unit ... A: John, How about some information? Is this a new installation or a replacement? Is this an Air ...
1200 TRANE A/C	8/4/2009
Q: I had a service tech come out to the house since the downstairs unit stopped blowing cool air. The ... A: TY, I don't keep reference books for looking up model numbers, I don't know what a "1200 TRANE A/C" ...
Heat Pump	8/4/2009
Q: We have a heat pump. It's an outside unit and the fan isn't turning. I read the answer to one of ... A: Pam, When the thermostat calls for cooling the outside fan and the compressor should both start and ...
GE PROFLE TPG21PRDA SS	8/4/2009
Q: Firstly, Thank you so much for taking time from your own busy lives to answer our questions and ... A: Sarah and Karl, I realize things are different in the UK! I don't do "fridge's" if your talking ...
calculating blower CFM	8/3/2009
Q: I’m building my own home in S. E. Kansas and haven’t been able to find anyone to install the A/C ... A: William, If your not a mechanical engineer? What are you looking for motor size for the squirrel ...
Dripping water Coleman Evcon Furnace	8/3/2009
Q: I have a 1996 Coleman Evcon in my mobile home. In the furnace there was water dripping on the front ... A: Karen, I don't know what your set-up is how your cooling coil is mounted etc. It sounds like an "A" ...
Dripping water Coleman Evcon Furnace	8/3/2009
Q: I have a 1996 Coleman Evcon in my mobile home. In the furnace there was water dripping on the front ... A: Karen, I don't know what the situation is with your drip pan and drain line? What you describe ...
coil leak	8/3/2009
Q: This new R410A Goodman unit installed late Feb. 2009 now has coil leak; lost all refrigerant. The ... A: Barbara, "R410A Goodman unit", doesn't tell me what type of unit it is, I don't know what the ...
water in furnace vent from burst pipe	8/2/2009
Q: Our water line burst in our bathroom and it flooded the the vent. Now the vents in three rooms are ... A: Marsha, I guess I don't know exactly what your duct set up is? Most houses with the duct in a crawl ...
water in furnace vent from burst pipe	8/2/2009
Q: Our water line burst in our bathroom and it flooded the the vent. Now the vents in three rooms are ... A: Marsha, OK, the furnace duct is in the crawl space under the house, I assume the duct under the ...
A/C unit suts off when temp outside is over 90	8/1/2009
Q: For the past 2 weeks, any days that are over 90 cause our unit to shut off. The fan still blows but ... A: Pam, Other then the electric company, when the thermostat calls for cooling the inside blower and ...
A/C unit suts off when temp outside is over 90	8/1/2009
Q: For the past 2 weeks, any days that are over 90 cause our unit to shut off. The fan still blows but ... A: Pam, Your suspicion about the electric company is a good possibility. Many electric companies have ...
water in furnace vent from burst pipe	8/1/2009
Q: Our water line burst in our bathroom and it flooded the the vent. Now the vents in three rooms are ... A: Marsha, I'm not sure what your calling "vents" or Where the ducts are located, in a basement, in a ...
HVAC	7/31/2009
Q: We moved into an older 2 story home with a used AC unit installed a year ago and maybe a late 80's ... A: Landon, I don't know any of the particulars about your heating and air conditioning system? Such as ...
heating	7/31/2009
Q: I have an old house built in the late 40's with an in-floor O'Keefe and Merritt heater. It is ... A: Ross, When your floor furnace came new it came with a wire rod, maybe 30" long, long enough to stick ...
Air Conditioner	7/31/2009
Q: We moved into a townhouse that has central air but unfortunately has not worked. It is a Keeprite ... A: Gloria, Keeprite is just a brand name, it doesn't tell me what type of system you have? If you have ...
heating	7/30/2009
Q: I have an old house built in the late 40's with an in-floor O'Keefe and Merritt heater. It is ... A: Ross, I haven't had anything to do with a floor furnace in maybe 40-45 years but as best as I can ...
Buying a New Air-conditioner	7/30/2009
Q: i wish to Buy a new Air-conditioner for my Office area. Some suggest for an AHU, ceiling mounted. ... A: Rohit, Sizing for air conditioning if your looking for a precise figure requires many different ...
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: James, You didn't specify enough about your system for me to give you an inelegant answer. What is ...
trane fan motor not turning	7/29/2009
Q: I am looking for your suggestions as to what could be wrong with my outside unit. We have an indoor ... A: Eddie, The important thing is what happens at the condensing unit the moment the thermostat calls ...
trane fan motor not turning	7/29/2009
Q: I am looking for your suggestions as to what could be wrong with my outside unit. We have an indoor ... A: Eddie, It could be a start capacitor for the fan motor or it could be a faulty motor that has dried ...
Old central a/c bangs at times	7/29/2009
Q: My central a/c works well, is old (probably well over 30 years), uses water through copper pipes to ... A: Kay, Model numbers don't help me, there are thousands of Amana model numbers and unless you have ...
Leaking Heat Pump in Attic	7/29/2009
Q: We live in DE and have a heat pump in the attic. It has a condensate pump that is installed in the ... A: Amy, The unit in your attic is an air handler, the actual heat pump is the unit out side. The air ...
Old central a/c bangs at times	7/29/2009
Q: My central a/c works well, is old (probably well over 30 years), uses water through copper pipes to ... A: Kay, I have no idea what the thing is that your calling "My central a/c"? that has water running ...
evaporator coil	7/28/2009
Q: i would like to clean my cooling coil from my central a/c.it`s above the heat exchanger in the ... A: Cooro, Assuming you have an "A" coil, I don't know what the configuration of your plenum is like or ...
Window unit cycles in high outside temps before room is cooled	7/28/2009
Q: I have a window unit a/c. It has worked great in the past as long as the filter is clean, etc. ... A: Lynne, The motor may be shutting off on thermal overload until it cools and then it starts again. ...
Size of the plenum	7/28/2009
Q: I recently hired a company to conduct a yearly inspection/cleaning on my residential central air ... A: Cathy, Like just about anything that carries or moves something even air the unit your moving it ...
What size AC I need ?	7/28/2009
Q: I got an old AC Carrier (591ANX024000AAAA) I believe it is 2 tons unit. The house is about 1500 sq ... A: Pak, Imagine your 1500 square foot house is just a big box with four sides a top and a bottom. ...
Miller 3 ton self contained	7/27/2009
Q: We have a miller 3 ton self contained all in one air conditioner. It is about five years old. The ... A: Dan, when the thermostat calls for cooling the circulation blower that blows air into the house, The ...
Miller 3 ton self contained	7/27/2009
Q: We have a miller 3 ton self contained all in one air conditioner. It is about five years old. The ... A: Dan, Let me try it this way. When the thermostat calls for cooling but the outside "FAN" doesn't ...
boiler furnace	7/27/2009
Q: I am wanting to replace my boiler furnace with either a high or medium efficiency furnace. Because ... A: John, You might already have a medium efficiency hot water boiler? check the rating plate for input ...
air conditioning argument	7/26/2009
Q: My father (88) and I (62) have a running disagreement about how to run the air conditioner in our ... A: Brigid, We don't have a humidity problem where I live so I really can't give you any expert advice ...
Rudd ac unit	7/26/2009
Q: Honeywell FocusPro 5000 set at 70deg. and inside temp. got up to 84deg. yesterday. Fan outside just ... A: William, So what do you do? run it with the slow fan? what about the compressor in the condensing ...
HVAC Follow up	7/26/2009
Q: Jim, I could not post any more follow up questions but in response to your last question, when ... A: Jeff, I don't know what heating and air conditioning companies are charging in your area? I have no ...
air conditioning	7/25/2009
Q: My central air conditioning unit is taking a long time to get to set temperature. I just changed the ... A: Rick, If it's 79 outside and it taking a long time for the tempature to reach 75 inside, a long time ...
removimg a gas furnace	7/25/2009
Q: I need to remove a furnace and cap off a gas line in order to have a heat pump/air conditioning unit ... A: Larry, Do yourself a favor and call your gas and electric utility company and ask them which is the ...
Miller 3 ton self contained	7/25/2009
Q: We have a miller 3 ton self contained all in one air conditioner. It is about five years old. The ... A: Dan, The "relay"/capacitor may be bad and not making contact on it's own. When the unit calls for ...
Central AC Size	7/24/2009
Q: Jim, I bought a brand new house in 2006. IT is 2100 sf and the ac unit is 13 SEER at 3.5 tons. ... A: Jeff, I don't know what the terms of your contract were when you bought your house. Or what the ...
Central AC Size	7/24/2009
Q: Jim, I bought a brand new house in 2006. IT is 2100 sf and the ac unit is 13 SEER at 3.5 tons. ... A: Jeff, What I meant was I don't have the necessary information to fill in the blanks of a heat gain ...
keeprite a/c maintenance	7/24/2009
Q: Have an older green model of Keeprite A/C from about 1994. I've been told to just turn on the hose ... A: Majda, Keeprite is a brand name, a/c could apply to many different types of equipment. If your ...
Central AC Size	7/24/2009
Q: Jim, I bought a brand new house in 2006. IT is 2100 sf and the ac unit is 13 SEER at 3.5 tons. ... A: Jeff, The rule of thumb that I like is, one ton of cooling for every 400 square feet of floor space ...
A/C UNIT	7/24/2009
Q: I am hoping you can help me. I purchased a Air Conditioning unit it's a gas electric RRNA series ... A: Susan, With a 2.5 ton cooling coil in your inside unit (gas furnace) the furnace blower needs to be ...
Whole house fan	7/24/2009
Q: I had a whole house fan that died and needed to be replaced. I bought a Flow Master from Home Depot. ... A: Chris, I don't know the fan or exactly what all the installation configuration is? moving air is ...
removimg a gas furnace	7/23/2009
Q: I need to remove a furnace and cap off a gas line in order to have a heat pump/air conditioning unit ... A: Larry, My question to you is why would you want to change from gas heat to electric heat? I don't ...
Condensate Drainage Backing Up in Bathroom Sink	7/23/2009
Q: "The HVAC unit is installed in the attic and the contractor ran the units condensation line down to ... A: Charles, I think you implied originally that the condensation water was backing up in the sink? if ...
Rheem vs Carrier vs Trane	7/23/2009
Q: I live in Florida and need to replace my air/heating system. My hose is 14yrs old, 2 story, 2100sq. ... A: Sara, I don't think any brand is better then the other. If you compare any brand with another brand ...
Condensate Drainage Backing Up in Bathroom Sink	7/23/2009
Q: "The HVAC unit is installed in the attic and the contractor ran the units condensation line down to ... A: Charles, Once the condensate water reaches the sink drain it becomes a plumbing problem. I don't ...
HVAC	7/23/2009
Q: I am looking to buy an older home, the house is 1750 sqft two story it has a Lennox 3.5 ton unit ... A: Anthony, A Lennox what? AC only unit, gas furnace, heat pump, split system, self contained? If your ...
central ac unit	7/22/2009
Q: I have a new central air unit. The compressor and fan outside was replaced about a month ago and the ... A: Tiffany, When your thermostat calls for cooling the inside unit blows and the outside unit runs ...
air handler blower	7/22/2009
Q: Have a airhandler that the blower will come on 80 percent of the time when called on. Changed the ... A: James, I don't know what your calling a "sequencer time delay blower relay" ? You might have a ...
HVAC	7/21/2009
Q: Noticed heavy icing on the outside pipes of AC. Unit on outside was running continuously but inside ... A: cassandra, Your saying that your inside and outside units are working all right and meeting the ...
Outside A/C Unit	7/21/2009
Q: We just had our outside A/C unit recharged with freon and the AC technician told us it was ... A: Veda, I would never tell anyone that it's OK to clean a condensing unit with a garden hose while ...
Contactor not working right	7/21/2009
Q: My question is about the contactor on my old Goodman outdoor AC unit. I have 25V across the ... A: Mike, If you can close the contactor with a screwdriver but the 24 volts can't pull it in I would ...
Contactor not working right	7/20/2009
Q: My question is about the contactor on my old Goodman outdoor AC unit. I have 25V across the ... A: Mike, The 24 volts comes from a 110/120 circuit breaker, the 220/240 to the condensing unit comes ...
AC unit not working after storm	7/20/2009
Q: Jim, I was not in my house last Saturday but neighbors said that there was a huge storm in the ... A: Saul, Again I don't know what your setup is/what is it your calling your "AC unit"? The unit in your ...
AC unit not working after storm	7/20/2009
Q: Jim, I was not in my house last Saturday but neighbors said that there was a huge storm in the ... A: Saul, I'm not sure what your setup is or what all isn't working? If you have a split system then ...
venting central air	7/20/2009
Q: In the current venting of our central air conditioner, there are two white PVC pipes that lead from ... A: Sydra, I think your talking about a "gas burning forced air Furnace" With a cooling coil mounted in ...
3 ton Split air unit	7/15/2009
Q: My compressor is grounded so a/c is out. I have a friend that has a spare 3&1/2 ton unit (split) ... A: Diana, No way to test without it being operable and operating. Plus the $300 your neighbor want's be ...
duct sizing	7/15/2009
Q: ANSWER: Keith, If your "3ton system" equals "1250cfm" it will always equal "1250cfm". What blows out ... A: Keith, Common sense tell's me if I have 1250 CFM pushing out of one duct and I add a second duct of ...
AC dripping	7/15/2009
Q: My AC unit has recently began dripping constantly. The drain line is directly over my front porch. ... A: Margery, Your question wasn't filled with a wealth of information but I'll try to fill in. I assume ...
Payne central heat & air blower chirping	7/15/2009
Q: I have a Payne central heat & air updraft unit approx. 15 years old. The blower on the bottom ... A: Herb, If you look the blower assembly over real good you'll probably find a couple of bolts/screws ...
hvac	7/14/2009
Q: i have a 1900 sqft cape cod home. about 12 yrs ago i put in a 3 ton ac with gas heat. the drip pan ... A: Keith, If your cooling the whole 1900 square feet then 3 ton is a bit small, You need to deduct the ...
Heatpump stops cooling	7/14/2009
Q: Equip: Heatpump outdoor unit and attic mounted airhandler Location: Texas, been >100deg for a few ... A: Dennis, Most everybody who sizes an air conditioner uses a design tempature differential of twenty ...
Window A/C not working...	7/14/2009
Q: I have a old Samsung window unit,the fan comes on but the compressor doesn't.I have made sure the ... A: Irene, Me either! I don't do window units, window units are like TV sets nobody messes with them any ...
Return Air Duct Location	7/14/2009
Q: My house currently has 8 (13.75" x 7.75") return air ducts, 4 each on the first and second floor. My ... A: Kim, Your "8 (13.75" x 7.75") return air ducts" are really 12x6 return air grills, each grill has a ...
Temstar heating and air conditioner unit	7/13/2009
Q: Unable to locate the model # but the unit is about 10 years old, some 4 feet in length, 2 1/2 feet ... A: Hayden, I have absolutely no knowledge of what your dealing with? Tempstar is a brand name that used ...
Rheem Air Handler	7/13/2009
Q: 2 Year old Rheem Classic Plus air handler sweats to the point of dripping. Installer said it was ... A: Lee, It's called condensation, that's what happens when the cold meet's the warm. It's normal for ...
A/C	7/13/2009
Q: I have some heat registers in my basement, but no return air registerb whivh I could cut into the ... A: Bill, I don't know what all you have in your basement, If you install return air/airs in the ...
Home AC	7/13/2009
Q: We have lived in this new construction home for about 14 months. We have central air and heat. We ... A: Kirsten, I don't know what type of "central air and heat" You have? There are gas furnaces, electric ...
Temstar heating and air conditioner unit	7/13/2009
Q: Unable to locate the model # but the unit is about 10 years old, some 4 feet in length, 2 1/2 feet ... A: Hayden, The cooling coil has a drip pan directly under the coil itself, it may be built onto the ...
AC fan stay son after AC is off	7/12/2009
Q: Replaced an old t-stat recently with a new programmable t-stat (ritetemp model 6025). Initially had ... A: Kevin, First of all it doesn't make any difference in how something operates because of the color of ...
air conditioner	7/12/2009
Q: I just updated my air conditioner which was servicing the first floor and the basement from a 1.5 to ... A: Elizabeth, I'm not sure what the problem is? Is the "pump" a unit that is maybe sitting on the floor ...
condensate dripping	7/12/2009
Q: The coil in my residential heat pump is at an angle, and instead of the water running down the coil ... A: Steve, I don't have a service manual on your air handler, I don't know the type either, even if I ...
air conditioner	7/11/2009
Q: I just updated my air conditioner which was servicing the first floor and the basement from a 1.5 to ... A: Elizabeth, When you install a refrigerated AC unit (I assume it's in your basement?)It doesn't come ...
home air conditioner	7/10/2009
Q: Goodman unit, 4 years old. Stopped cooling upstairs, however I feel air going into the intake. The ... A: Bob, If you have a split system your not specifying inside unit or outside unit? You talk about ...
central air conditioning	7/10/2009
Q: Our 10-year-old air conditioning condenser just blew, and it looks like we have to replace the whole ... A: Andrea, Noise from a condensing unit is largely from the way it's installed and the installers know ...
central air conditioning	7/10/2009
Q: Our 10-year-old air conditioning condenser just blew, and it looks like we have to replace the whole ... A: Andrea, Carrier is no better or no worse then Luxaire and vice versa. Carrier is the same as Bryent ...
Switching from heat to cool?	7/10/2009
Q: I recently moved into a new house with Bryant Central Air. I switched the control panel from heat to ... A: Clyton, I don't know what all the switching is? Other then setting the thermostat to cool, I don't ...
attic fan	7/9/2009
Q: I am planning installing an attic fan in my 2-story house. My attic size is approximately 1200 ... A: Alex, When the fan is off the the roof vent's will function as they do now. The heat from the attic ...
attic fan	7/9/2009
Q: I am planning installing an attic fan in my 2-story house. My attic size is approximately 1200 ... A: Alex, The four existing 8" low profile vents on your roof are vent's. The purpose of these vent's ...
HVAC Register Boxes	7/9/2009
Q: Is there a rule of thumb for sizing the register boxes for an new HVAC system install? Is it based ... A: Mike, You want the amount of CFM needed to heat or cool a room, the size of the duct feeding the ...
Air Conditioning condenser won't turn off	7/9/2009
Q: My thermostat for my central air reaches my desired temperature and turns off the fan but not the ... A: John, There is a fan in the condenser, there is a blower in the inside house unit, when you say the ...
kenmore 75085 air conditioner sleeve	7/9/2009
Q: How should the Kenmore 75085 air conditioner sleeve be anchored to the studs? There are no pre ... A: Randy, I don't do through the wall air conditioners except very rarely. When I do have an occasion I ...
attic fan	7/9/2009
Q: I am planning installing an attic fan in my 2-story house. My attic size is approximately 1200 ... A: Alex, I don't have a lot of faith in soffit panels, they are seldom obstruction free and get covered ...
HVAC blower motor problem	7/8/2009
Q: The problem I encountered is with a home A/C blower motor. The unit had been operating correctly ... A: Steve, Could be the capacitor or it could be the motor? Sometimes a motor can develop a dead spot, ...
HVAC	7/8/2009
Q: would a bad dual capacitor cause the circuit breaker to trip when the t-stat calls for cooling? What ... A: Glenn, The 220 is always on to the contactor inside the condensing unit. The contactor is a ...
Air conditioner contracts	7/7/2009
Q: Trying to help out my elderly father down in Fla. He is asking me about getting a service contract ... A: Matt, Sorry, I misunderstood what you were looking at. What you need is a home warranty service. You ...
indoor blower motor size	7/7/2009
Q: What size indoor blower motor (horsepower and rpm)should I use with a system that has a 2 1/2 ton 13 ... A: Chris, A blower motor needs to be compatible with the unit it's mounted on. If you have a gas ...
Air conditioner contracts	7/7/2009
Q: Trying to help out my elderly father down in Fla. He is asking me about getting a service contract ... A: Matt, A service contract for an air conditioner is just like medical insurance for a person. There ...
plugged up a/c drain	7/6/2009
Q: here's one, I'll bet you never heard!! we live in florida, our air handler is located in the garage. ... A: Louis, Can you see the drain pipe all the way from where it connects onto the drip pan to the place ...
York A/C unit	7/6/2009
Q: York condenser unit located outside (model #TCGD48S21S1A), with evap coil and air handler in the ... A: Kyle, There are other problems that can ice a coil, If your system is less then a year old you ...
plugged up a/c drain	7/6/2009
Q: here's one, I'll bet you never heard!! we live in florida, our air handler is located in the garage. ... A: Louis, All I know is that water runs down hill no problem unless something gets in it's way, There ...
cost of repair	7/6/2009
Q: i had a a/c repairman come out that was refered to me, but he couldnt make it so he sent one of his ... A: Doug, I went to the dentist a few weeks ago because of a tooth with a cavity, it didn't hurt but it ...
Save heating	7/5/2009
Q: Jim, I am only using the lower level of a 4,000 sq.ft. house. i would like to shut off heating ducts ... A: Ed, Shut off the heating ducts to the three bedrooms, even cover them with some aluminum foil or ...
excessive condensation	7/5/2009
Q: I live in Tucson, Az. in a single wide MH. I have a nordyne e2eb-015ha 4 ton downflow unit and I'm ... A: Kevin, I assume your "A" coil is on top of the unit as opposed to the bottom of the unit? The ...
Condensor fan overheats	7/4/2009
Q: Jim, here's the scenario. I have a 32 year old central air unit. Last year the bearings in the fan ... A: Ned, The more air a fan motor pushes the warmer it will run and the more amps it will draw. If you ...
Return Air Drop extension for new RA vent	7/4/2009
Q: I am extending the return air drop under my furnace so I can add a second return air vent. I see ... A: Gary, There is an International Building Code, IBC that covers the United States of America ...
heat pump cool not cold air	7/4/2009
Q: I have a 2 year old unit 3 ton, that all of a sudden with in the last day has stopped blowing cold ... A: Mike, You can buy R22 for about $6 a pound, 410A for about $8 a pound. Is this something you think ...
Return Air Drop extension for new RA vent	7/4/2009
Q: I am extending the return air drop under my furnace so I can add a second return air vent. I see ... A: Gary, You can cover the top with 1/2" plywood. My main concern is that the box/platform is sealed ...
heat pump cool not cold air	7/3/2009
Q: I have a 2 year old unit 3 ton, that all of a sudden with in the last day has stopped blowing cold ... A: Mike, I don't know your unit?, what they'll do for warranty?, Regardless It really doesn't matter ...
Return Air Drop extension for new RA vent	7/2/2009
Q: I am extending the return air drop under my furnace so I can add a second return air vent. I see ... A: Gary, I don't know what your set-up is? Why is your "furnace" sitting up on a constructed "box" The ...
Ruud A/C Blower Problem	7/2/2009
Q: Mr. Barnhart, I have a Ruud A/C Heat pump with gas backup installed in the attic of my home in ... A: Terry, Your blower is controlled by a blower relay in your air handler/furnace, the thermostat ...
stumped	7/2/2009
Q: i recently just replaced my outside condenser unit on my home with a ducane 2 ton unit the unit had ... A: Jason, I don't know anything about your system except "ducane 2 ton unit"? Sounds to me like you ...
Outside component of HVAC does not turn off	7/2/2009
Q: We have 3 systems in our house. One of the outside units (the condenser?) runs even when the ... A: Carol, The outside unit has 220/240 volts of electricity going to its contactor all the time, (the ...
Return vents	7/2/2009
Q: I have a reverse split level about 2100 square feet. Just put in a new ac and furnace. If I put ... A: Cory, I looked into my "crystal ball" but I couldn't find anything that show's how your furnace and ...
Goodman HVAC OUtdoor Compressor	7/1/2009
Q: Why does my outdoor 5 ton Goodman HVAC compressor not come on until I hose down the condensate coils ... A: Bradley, The fan running cools the condensing coil, or at least that's it's purpose, Your condenser ...
question about an external HVAC air handler	7/1/2009
Q: We have a neighbor who has an external HVAC air handler which is loud enough to keep us awake at ... A: Steve, I think your talking a condensing unit? Fifty foot is pretty much the limit with what the ...
inside coil freezing over	7/1/2009
Q: it vibrates, misses my condensate pan and leaks on the basement floor. How do I seal the metal ... A: Michael, I think all of your problems are caused from the inside coil freezing over. The water ...
Bryant Air handler	7/1/2009
Q: My air conditioner stopped blowing cold air. I had a technician out and he said because the air ... A: C, Coils don't rust, a coil is a copper pipe coil with aluminum fins. Cooling coils condensate, when ...
AC condenser	7/1/2009
Q: Air conditioner is not producing cold air, fan has stopped altogether in the unit outside. Had a ... A: Toby, If you lived where I do I could tell you where to get a replacement capacitor, I don't know ...
Trane Air Conditioner	6/30/2009
Q: The electricity in my neighborhood went out on Saturday. We had to leave for several hours. When ... A: jewelene, I don't know what all with your "Trane heatpump air conditioner" is not working", If it's ...
Air handling unit	6/30/2009
Q: Sir, I have a trane air handling unit in my basement. I came home from a weekend away on Sunday ... A: David, The drain line connection at the unit should be a 3/4" female threaded pipe connection, from ...
Air handling unit	6/30/2009
Q: Sir, I have a trane air handling unit in my basement. I came home from a weekend away on Sunday ... A: David, Your description of your unit is a bit un-clear? I don't now how it's installed? Most all air ...
outside condensar freezes on me	6/30/2009
Q: it vibrates, misses my condensate pan and leaks on the basement floor. How do I seal the metal ... A: Michael, Again, I have no idea what your doing or what type of system you have? The things your ...
SWAMPED PACKAGE UNIT	6/29/2009
Q: I probably have a wild question, but I'm looking at 2 International Comfort Package units: ... A: Marcos, If the units have been under water You most likely would need to replace any and all ...
A/C add-on	6/29/2009
Q: I just received a central air unit but my furnace, a Keep-Rite DC90 ultra high eff. downflow, does ... A: Bill, If you want to add AC to the heating system you need an inside cooling coil, an outside ...
heil furnace leak	6/28/2009
Q: I have just noticed that their is a small amount of water leaking where the copper pipes enter the ... A: Tom There are different types of cooling coils, I'm not sure exactly what you have, there was no ...
furnace emits dust	6/27/2009
Q: I have a 2-stage gas furnace, with the gas tank in the ground. We had a dust problem from the time ... A: JANE, If you have an AprilAire HEPA filter installed at the basement floor between the return air ...
can I upgrade my furnace motor	6/27/2009
Q: and thankyou ahead of time for any helpful info. I currently have a Rheem Classic 90 Plus ... A: Mike, First let me say I don't have reference literature, and service manuals for researching ...
condensate off condensar coil	6/27/2009
Q: it vibrates, misses my condensate pan and leaks on the basement floor. How do I seal the metal ... A: Michael, I'm not sure what you've got going there but if what you say is actual I would suggest you ...
furnace emits dust	6/26/2009
Q: I have a 2-stage gas furnace, with the gas tank in the ground. We had a dust problem from the time ... A: Jane, Give me a description of where your ducts run, where your furnace is installed in the house, ...
Apartment Chill water air conditioning	6/26/2009
Q: I live in a condo and we have central forced air/heat uses hot or Chilled water. One of my unit is ... A: Mike, I think your unit has a valve that is faulty, maybe just a loose wire connection. There are ...
RUUD A/C problem	6/26/2009
Q: We lost power and couple of times tonight due to a lightning storm. Now the AC unit will not come ... A: Tim, You didn't share a whole lot of information about what it is your calling "AC unit". There are ...
low voltage	6/26/2009
Q: okay let me start by saying i am a residential/commercial service tech. my question is one, more for ... A: Eric, The contactor closes when it gets 24 volt's from the thermostat. That's all there is, one 24v ...
HVAC	6/26/2009
Q: We have a Carrier Weathermaker 9200 gas furnace and a 2 1/2 ton airconditioner that were installed ... A: Fran, A furnace is a furnace, "furnace" implies, gas furnace. All furnaces in the last twenty or so ...
furnace emits dust	6/26/2009
Q: I have a 2-stage gas furnace, with the gas tank in the ground. We had a dust problem from the time ... A: Jane, A furnace "with the gas tank in the ground", that's a new one on me!, I don't know what that ...
Evaporator Coil/Furnace	6/25/2009
Q: I had and two ton condenser installed last year. When I turned the air on this year, the thermostat ... A: Katie, your neighbor can get you a coil and a furnace. You can hire any HVAC contractor to install ...
HVAC OR EVAPORATIVE COOLER	6/25/2009
Q: I have a hvac/heating unit that is probably from the 1970's. When the cooling unit is turned on it ... A: Chris, I don't know what your environment is like? If your house is in a high humid climate then you ...
Furnace Fan In THe Summer	6/25/2009
Q: I live in the Midwest, where it's been extremely hot lately. Is it best to keep my furnace fan ... A: Jon, Leaving the blower run non-stop won't cool anything, it'll just stir the the air, you could get ...
Evaporator Coil/Furnace	6/25/2009
Q: I had and two ton condenser installed last year. When I turned the air on this year, the thermostat ... A: Katie, 1. You can use any make two ton coil as long as it's compatible with your condensing unit ...
air conditioner	6/24/2009
Q: My air conditioner will not cool below 75 degrees during the hottest part of the day. Please advise ... A: Nodea, The designe tempature diffrential between outside and inside max is indeed twenty degrese. If ...
Need new airconditioner	6/24/2009
Q: My central air conditioner just died and I don't even know a good question to ask when trying to get ... A: Sharon, If you know so little about "air conditioning" how do you know your air conditioner is dead? ...
hvac	6/23/2009
Q: We installed a new frigidaire hvac unit in 2004. We have had nothing but trouble w/ the temperature ... A: James, If there is a drip pan under the cooling coil and it is at least larg enough to cover the ...
could new thermostat be problem?	6/23/2009
Q: In Dec we had furnace problems. we called a guy who owns his own business. It took him 3 visits to ... A: Carol, If the existing thermostat ever operated the air conditioner then it's a proper thermostat. ...
hvac	6/23/2009
Q: We installed a new frigidaire hvac unit in 2004. We have had nothing but trouble w/ the temperature ... A: James, I'm not sure what your inside unit is? a gas furnace, a heat pump or something else? "our ...
A/C	6/23/2009
Q: Last year we had our furnace replaced with a great Rheem furnace. At the time our A/C was still ... A: Heidi, The furnace/heating system is pretty much separate from the Air Conditioner/cooling system ...
Missmached Components	6/23/2009
Q: i have a 3Ton Trane XE1000 with a Goodman 2.5 Evaporator. The system wants to run constantly and ... A: Joseph, You need a 3 ton "Evaporator" or it will never work right, I don't think it's cooling anyway ...
A/C	6/22/2009
Q: My question is my home a/c central unit outside went out. When the fan is on it makes a loud noise ... A: Ozzy, I think your on the right track? Sounds like the motor is over heating and shutting off on a ...
Lennox 80MGF3 series	6/21/2009
Q: Turned on my airconditioning for the first time this year today. It ran fine for an hour or so then ... A: David, The oil needs to be on the motor shaft not the motor and it's not certain that it will ...
Water in Furnace Floor Duct	6/21/2009
Q: Our basement level has heat ducts in the floor. It is a newer home - 2 1/2 yrs old. We have pumped ... A: Ken, I don't think the water is coming from your furnace which is my line. What I do think is that ...
Lennox 80MGF3 series	6/21/2009
Q: Turned on my airconditioning for the first time this year today. It ran fine for an hour or so then ... A: David, The problem is the blower motor. I don't know if water got into the motor bearings or some ...
Air filters, location and size	6/21/2009
Q: I have an Intertherm central heat and air unit, unit is working real good, question is, where are ... A: Sheila, All indoor units have a place for an air filter in the unit's blower compartment. You have ...
Lennox 80MGF3 series	6/21/2009
Q: Turned on my airconditioning for the first time this year today. It ran fine for an hour or so then ... A: David, Fast answer on the unit,"The basement unit is a gas furnace." I don't have reference material ...
No heat, No AC...blower works JUST fine!	6/20/2009
Q: ..I have an Intertherm furnace (not sure what year) in the basement that is killing me slowly. I ... A: Sara, What I was trying to imply is that Your furnace and your air conditioner are two separate ...
No heat, No AC...blower works JUST fine!	6/20/2009
Q: ..I have an Intertherm furnace (not sure what year) in the basement that is killing me slowly. I ... A: Sara, If you want air conditioning the thermostat needs to be set to cool, the setting needs to be ...
Central Air question	6/20/2009
Q: Long story short - recently my dad did some drywall replacement and sanding of said drywall We have ... A: Kara, I don't know what type cooling coil you have or where your furnace is installed in the house. ...
air conditioner central heat and air	6/20/2009
Q: the unit is set to 78 and it ran all day and it only got to 80 then it started getting hotter it got ... A: Tammy, If Your system is a split system and the inside air handler is blowing air but it's not cold ...
air conditioner not working!	6/19/2009
Q: We installed a new furnace this winter and now that it is summer we need to have the air. The older ... A: Heather, I don't know your furnaces type? There should be a wiring diagram on the inside of the ...
ac unit outside: fan wont turn but it hums	6/19/2009
Q: I have an old ac unit, not sure what year. Last year the same thing happened, the unit outside hums ... A: Lauren, Sounds like a faulty fan motor, if you give the fan blade a push with a stick when it hums ...
frozen ac	6/19/2009
Q: My Central AC unit is frozen. We just had it serviced 2 weeks ago, the freon was fine and we also ... A: Rachel, Cooling coils usually freeze over from not having enough air flow through them. The number ...
air conditioner not working!	6/19/2009
Q: We installed a new furnace this winter and now that it is summer we need to have the air. The older ... A: Heather, First check the 220 double electric breaker that goes to the outside unit, the outside unit ...
Snyder General Comfort Systems Air Handler	6/18/2009
Q: I have an 18 year old Snyder General gas furnace/air handler. Last month while running the AC the ... A: Bill, I don't know "Snyder General Comfort Systems Air Handler" there not in my part of the country ...
pressure relief valve	6/18/2009
Q: We are working on a Ray Pak boiler. Currently, there is a 2 mil 70 thous pressure relief valve, and ... A: Dawn, Again, I don't know what "2 mil 70 thous" and "2.1 million", means? I don't understand the ...
pressure relief valve	6/18/2009
Q: We are working on a Ray Pak boiler. Currently, there is a 2 mil 70 thous pressure relief valve, and ... A: Dawn, I don't know where your at or what your options are as far as buying a PRV. You can order one ...
Rheem AC Air Handler	6/18/2009
Q: I just bought an old office with a 20 year old Rheem AC unit. The office is in south Florida, so it ... A: Dan, Thermostats are not very accurate, What the thermostat thermometer reads and the thermostat ...
HVAC water leaking	6/17/2009
Q: I have a Magic Chef HVAC unit in a hall "closet" that is dripping water by the gallons. It has not ... A: James, If water is dripping off of the cooling coil into the drip pan and the drip pan has a drain ...
HVAC	6/17/2009
Q: i am having problems hooking up my central air unit to work with my wood furnace. currently i have a ... A: Branden, The thermostat is 24 volts it sends out 24 volts to different components depending on which ...
Blower motor not working properly	6/17/2009
Q: I have a Lennox Pulse 21 installed in 1993. I made the mistake of not cleaning the filter properly ... A: Stephen, Your question heading say's your from the United States but I got to tell you I don't know ...
Interior walls sweating	6/17/2009
Q: We added a sunroom last fall and now have sweating walls in living rm. While duct work was exposed ... A: Karen, I think the ducts are making the drywall space cold enough for the cool to penetrate to the ...
RV Air conditioner	6/16/2009
Q: My 1992 Wilderness 5th wheel RV air doesn't work. It just blows hot air. Can it be repaired? Is it ... A: Jack, I don't really do RV air conditioners but to answer your question you can get anything fixed. ...
HVAC	6/16/2009
Q: I just had a technician tell me I needed a new Heat Pump, AC unit and furnace. Our Trane double ... A: Sally, The so called "technician" that you let into your home should have not disconnected anything. ...
Copper pipe burst	6/16/2009
Q: I just moved in to a house that has been vacant for a long time and discoverd that the copper pipe ... A: Jaime, I don't like water lines in an attic because of the danger of them freezing and splitting ...
Central Air conditioning	6/16/2009
Q: Our upstairs is a lot hotter and more humid than our main floor. Someone told me that this can be ... A: Pam, Everybody in the country docent have the same heating or cooling system in there home. If your ...
Heat Pump	6/15/2009
Q: I have an International Comfort fan coil unit in the attic model NFCX2400C1 - Style # FCX2400C - ... A: Joanne, All units come from the factory with an air filter inside the bower compartment of the unit, ...
Chrysler AC	6/15/2009
Q: We have an old Chrysler Airtemp wall mount A/C. The blower won't start. I peeked through the ... A: Orhan, I can't help with the motor mounts, I'm not sure exactly what they are? try Ace hardware. I ...
Cracks in heat exchanger	6/15/2009
Q: We have the original furnace, in the basement, and it's about 10 years old. We're trying to sell ... A: Ali, I don't know what type of furnace you have? some types are more prone to developing a crack ...
Central Air Unit	6/15/2009
Q: I purchased a new furnace & central air unit a couple of years ago. This will be the 3rd summer. ... A: Debbie, It's not unusual for a thermostat to be off a degree or two, you just need to allow for the ...
Is the condenser coil the real problem?	6/14/2009
Q: I have a 1900 sq ft single story house in south central Texas. After an air handler change-out the ... A: Forrest, There could be any number of reasons for the problem? I doubt if it's the condenser coil ...
HVAC air flow issues	6/14/2009
Q: I have RUUD system (heat pump # RPKA-031JAZ and air handler # RBHA-17J11NFDAI). My house was built ... A: David, I know you gave the make and model number of your air handler but I have no easy way of ...
A/C - Outside compressor runs intermittently	6/13/2009
Q: We have a 5-ton Trane A/C system in our house in Texas. Summer's coming up, and it's pretty hot here ... A: Matt, This is the way it should work. When the thermostat calls for cooling the inside air handlers ...
HVAC air flow issues	6/13/2009
Q: I have RUUD system (heat pump # RPKA-031JAZ and air handler # RBHA-17J11NFDAI). My house was built ... A: David, Where in the house is your air handler installed? Where dose the 12"X12"X18'duct run, roof ...
A/C - Outside compressor runs intermittently	6/13/2009
Q: We have a 5-ton Trane A/C system in our house in Texas. Summer's coming up, and it's pretty hot here ... A: Matt, The outside unit is a condensing unit, inside the condensing unit is a compressor and a ...
heat pump vs condenser	6/12/2009
Q: condenser finally bit the dust & furnace also in need of replacement (exiting carrier equip include ... A: RayRay, I don't know what your needs are in Virginia as far as heating and cooling? I don't know ...
standing pilot	6/12/2009
Q: For years I always heard that you should not turn off a standing pilot due to risks of damaging ... A: Jerry, If you leave your pilot burning for a few months when you don't need it to light the burner ...
Interior walls sweating	6/11/2009
Q: We added a sunroom last fall and now have sweating walls in living rm. While duct work was exposed ... A: Karen, I think I have a picture of your duct in the wall kind of? The three ducts are installed in ...
Covering return air vents	6/11/2009
Q: My husband insists that return air vents should be covered so that the cold air in the basement will ... A: Natalie, You furnished no information what it is your dealing with? Do you have something in your ...
Split AC Not Cooling	6/11/2009
Q: I have a 1 ton videocon split air conditioner at my home. Most of the time it does not cool i.e. the ... A: harish, Your AC should cool regardless of the outside temp. You need to find another service person. ...
furnace type and thermostat	6/11/2009
Q: Could you tell me if a Gaffers & Stattler model U80-2 is a heat pump or furnace? And what is the ... A: Robert, A Gaffers & Stattler model U80-2 is a gas forced air furnace. A furnace heats with gas. A ...
AC Ventilation	6/10/2009
Q: We just moved into a new house, and are having a problem with the ventilation in the master bedroom. ... A: Keith, Every little bit of information helps in trying to decide the best way to solve a problem ...
AC Ventilation	6/10/2009
Q: We just moved into a new house, and are having a problem with the ventilation in the master bedroom. ... A: Keith, Descriptions like "larger duct" and "smaller ducts" don't really give a description of what ...
hvac lightning strike?	6/10/2009
Q: How can I tell if my outside heat pump was damaged to a lightning strike? The repairman said it is ... A: Gene, A lightning strike or a shorted 240 volt wire could cause the same damage, there is no DNA ...
copper pipes	6/10/2009
Q: I have been getting estimates on a new 3 ton 15 seer heat pump AC unit. Some companies say the ... A: Debra, The existing lines/pipes can be used as long as the insides are cleaned and decontaminated to ...
moving an air conditioner unit	6/9/2009
Q: We have central air. The compressor unit is located behind the house where we'd like to build a ... A: Dan, You can move the unit to where it's within 50' of line. To move the unit the system has to be ...
When to replace compressor	6/9/2009
Q: I have a Rheem A/C. Mod RPKA-043JAZ, BUILT IN 2000. THE COMP R.L.A. ON THE LABEL SHOW 21.2/21.2. ... A: Stu, You can check the amp. draw on the compressor itself rating plate that should be attached to ...
AC squeal, no cool air	6/9/2009
Q: I have a Bryant Plus 80 gas furnace(basement unit, approx 13 years old) and I just tried to turn the ... A: John, If the "squeal" is coming from the outside unit and you have a gas furnace then the outside ...
swamp cooler	6/8/2009
Q: We have a new portable swamp cooler. Works well. Want to add something to the water for the smell ... A: Harry, "Gee Whiz" They never taught us anything about chemical additives for coolers in swamper ...
Split HVAC heat pump question	6/8/2009
Q: I have a split system heat pump. The compressor sits outside and the air handler is in the attic ... A: Lon, Maybe there are a couple of problems? I have no Idea what the grinding sound is that quits when ...
No Power to Thermostats and Central A/C Unit	6/7/2009
Q: This is the second time I have no power to all the thermostats in the house and to the Central ... A: Edwin, Air conditioning is mostly thought of as cooling the air only but air conditioning is exactly ...
fan motor wire colors	6/7/2009
Q: I am attempting to install a new Protech fan motor. The old one just had 3 wires one red , one blue, ... A: AJ, Color means absolutely nothing except for the purpose of identifying what the wire is used for. ...
A/C condenser-compressor	6/6/2009
Q: I have discovered the metal cage on outside of my a/c condenser/compressor located on concrete slab ... A: Andrea, When your condensing unit was shipped it most likely had some sort of compressor tie down ...
Coils corroded	6/5/2009
Q: An HVAC technician just left after inspecting my upstairs unit, Carrier 38YCC, which is a little ... A: Nate, So what did the coil look like to you? What type of problems are you having with the unit that ...
unused upstairs	6/5/2009
Q: We have three bedrooms upstairs -open stairway leads up to them. I have been turning off a/c and ... A: S, How warm/hot is "extreme heat"? I don't think 90 degrees will "harm furniture, carpeting" I ...
No Power to Thermostats and Central A/C Unit	6/5/2009
Q: This is the second time I have no power to all the thermostats in the house and to the Central ... A: Edwin, I really need a better description of what your dealing with? How many thermostats dose "all ...
Cracked Central AC Coil	6/5/2009
Q: Can a power surge cause a crack in a Central Air coil? Our home get's alot of power surges and it ... A: Kathy, Depending on what type of "Central Air coil" your talking about? There is an evaporator ...
Air Conditioning	6/4/2009
Q: I have central air in my home but only the heat setting works. The people who bought the home new ... A: Meridee, I don't know what you have in your home? What are you calling "central air"? Heating and ...
Air Handler Location	6/4/2009
Q: We are in the process of building a home on pilings near the coast. We have heard pros and cons on ... A: Robert, I don't know anything about your home, what the layout, floor plan is? I don't know what ...
wall thermostat	6/4/2009
Q: home was built in 1980 and wall thermostat is rectangular with a round clock on the right and round ... A: Deborah, I don't know what type of unit you have, what the thermostat is controlling? If you don't ...
constant fan NO heat or A/C	6/3/2009
Q: I have an older forced air system by evcon (now owned by coleman). The fan runs constantly, but ... A: Jessica, I don't know any thing about not touching a limit switch or it won't work? I've touched a ...
zones	6/3/2009
Q: I am considering leasing a 2500 sq ft leasehold space. I would like to have 4 zones with positive ... A: Mark, I don't know what the two 4 ton units are? heating and cooling or just cooling. I don't know ...
elec hum sound ng furn blower compartment	6/2/2009
Q: I have recently noticed a high pitched electrical humming sound coming from inside the blower ... A: Fred, That's quite a discription. The impression I got in the beginning was that you had no idea ...
AC cycling on and off	6/2/2009
Q: I have a 19 year old Trane AC unit in a 1600 SQ foot home. The AC fan motor was replaced last year.. ... A: Teresa, If your Fan/Blower "is cycling on and off every couple of minutes" prematurely before the ...
AC Fan on Continuously - Doesn't cool much	6/2/2009
Q: I've recently moved from Oregon to Kansas with my boyfriend to an apartment. I only state this ... A: Jessica, There are several different methods used for heating and cooling apartment buildings, I'm ...
New central air unit causes health problem, freon related?	6/1/2009
Q: I live in a 50 year old 2-story home. It had one furnace and no central air. Last October, a new ... A: Sam, The whole thing sounds screwy to me? The air conditioner uses refringent but it is in a sealed ...
AC FAN MOTOR	6/1/2009
Q: OUR FAN WILL NOT TURN.. THE UNIT MAKES ALL THE SOUNDS OF STARTING UP BUT THE FAN WON'T TURN... MY ... A: Debbie, If your talking the condenser fan motor on an outside condensing unit? First you can try ...
Interior walls sweating	6/1/2009
Q: We added a sunroom last fall and now have sweating walls in living rm. While duct work was exposed ... A: Karen, It sounds like your ducts are condensating? If you have a duct/ducts that are being used for ...
furnace size for Mn	5/31/2009
Q: I am replacing my 30 yr old forced air gas furnace and air conditioner unit.The existing furnace ... A: Roy, I don't know the particulars of your house and I never been in MN. Your best barometer is your ...
HeatPump / AC not working	5/30/2009
Q: Sir, I have 2 Lennox 12HPB Heat Pumps installed outside for my residence. One of the, the unit for ... A: Todd, Your question is a bit confusing, I'm not sure if your in a heating mode or a cooling mode? ...
lennox outside home air conditioner	5/30/2009
Q: My lennox air conditioner starts up fine and in about 30 min the fan on top of unit shuts off but I ... A: Pat, I think your fan motor is shutting off on a thermal overload switch that is built into the ...
Lennox condenser unit	5/29/2009
Q: I noticed the system wasn't cooling, and after checking a few things, noticed the top-mounted fan ... A: Weskeys, I don't think there is breaker inside the unit, maybe a reset on the compressor ? The 240V ...
New Room Additions	5/29/2009
Q: I have four children and three have reached the teenage level and no longer want to share rooms (not ... A: Tommy, The same thing applies to the attic as it dose to a cloaed room, after the air goes to the ...
New Room Additions	5/29/2009
Q: I have four children and three have reached the teenage level and no longer want to share rooms (not ... A: Tommy, A 10x8x8"Y" may be a little over kill for a 10X12 room. I would think an 8X6X6 would be ...
elec hum sound ng furn blower compartment	5/28/2009
Q: I have recently noticed a high pitched electrical humming sound coming from inside the blower ... A: Fred, Exactly: The Blower moves air, air can make a hich pitched sound if it gets to moving through ...
heat control	5/28/2009
Q: We no longer use swamp cooler thus no use for upducts in ceiling for swamp cooler and I notice alot ... A: James, You need to insulate from the attic down, Go up in the attic and cover the up-ducts with some ...
Condensor not coming on	5/27/2009
Q: I have a Tempstar Comfort 2000 unit. It worked fine last summer. When I went to turn on the AC ... A: Phil, If you have 230 to the contactor and the contactor closes but the power doesn't continue on to ...
heat pump noise	5/27/2009
Q: I have a Lennox Heta pump system, 2 ton, that is about 2yrs. old. Recently when it kicks on, it ... A: Leslie, I don't know what you've got for a heat pump? It could be a self contained packaged unit ...
AC Recommendation	5/27/2009
Q: I just moved into an older home(1972) with an outside electrical AC unit capacity of 4 tons, and a ... A: John, Not knowing what kind of shape the house and air conditioner is in I can't suggest any ...
air conditioner problem	5/27/2009
Q: I have a Coleman split unit air conditioner. The model number is partially scratched off but the ... A: Travis, I don't have reference material for looking up model numbers anyway. It sounds like your ...
Finding leaks	5/26/2009
Q: How do we find a leak in our A/C system? We've had to add R22 twice, and both techs have said we ... A: Betty, Heating and air conditioning people are a different breed throughout the USA, nobody dose ...
Rheem AC	5/26/2009
Q: I have a Rheem RGRA-07EYBGS furnace and Rheem A/C, Forced air. They are three years old. I turned on ... A: Toby, All that jargon doesn't mean anything to me, you need an electrician or an electrical engineer ...
Finding leaks	5/26/2009
Q: How do we find a leak in our A/C system? We've had to add R22 twice, and both techs have said we ... A: Betty, A leak can be anywhere in the system, there are several different methods of finding a leak, ...
Leaking Coil replace coil or whole unit?	5/26/2009
Q: I have a Carrier unit built in 1992. Has not been giving me any problems but it appears to have a ... A: Mark, SEER rating is just how much electricity it takes to run the outside condensing unit. With a ...
Leaking Coil replace coil or whole unit?	5/25/2009
Q: I have a Carrier unit built in 1992. Has not been giving me any problems but it appears to have a ... A: Mark, I was just trying to determine what was going on with your unit? The things that come to mind ...
new system intermittently stops cooling	5/25/2009
Q: new 14 seer 4 ton amana system installed. blower and compressor. installer has re-blown out the ... A: Jeff, If the larger of the two lines that run from the outside unit to the inside unit in not ice ...
YORK DIAMOND 90 Leaks water on A/C	5/25/2009
Q: I have a York Diamond 90 Central Heating/AIr Conditioning system, which we recently started using ... A: Keith, The drip pan inside the unit is plugged up or the drain line from the drip pan to the pump is ...
Changing Filter on Furnace	5/25/2009
Q: It would seem simple enough...but I'm trying to change the filter on a Carrier 58SSC Upflow furnace ... A: Shahid, There are hundreds of ways to install an air filter to the return air side of a unit. If you ...
Outside A/C unit continues to run	5/25/2009
Q: My outside condensing unit runs continuously no matter what the thermostat is set at or if I switch ... A: Tim, The color on wires are just for identification purposes. The control power goes to the ...
Leaking Coil replace coil or whole unit?	5/25/2009
Q: I have a Carrier unit built in 1992. Has not been giving me any problems but it appears to have a ... A: Mark, I don't know anything about "American Home Shield" I don't know anything about what led up to ...
HVAC	5/25/2009
Q: Me and my wife are building a new home this year. We have spoken with two builders to get ... A: David, There is no benefit if they are both the same BTU heating and cooling and the same efficiency ...
low airflow	5/24/2009
Q: I have a moncrief furnace in the basement of a 1250 sq. ft. home. A gibson 2ton a/c unit has been ... A: Mike, Filters are not a big deal when your heating except for keeping the dust down and circulating ...
fridge being left on	5/24/2009
Q: We have a fridge in a cabin in a very tropical climate. Since we only will be there one or two ... A: Laura, I don't do refrigerators. But I have a fridge in a cabin in a remote area of the mountains. ...
Air Conditioner	5/23/2009
Q: I have a new house (2,500 sq ft), looking to purchase a 2.5 unit 14 SEER, I am confused, should I ... A: coolboy78, If your cooling the whole 2,500 square feet which shouldn't include a basement, closets, ...
HVAC	5/23/2009
Q: Me and my wife are building a new home this year. We have spoken with two builders to get ... A: David, A split system is with the air handler inside (you didn't say what type of heat, gas, ...
Plenum requirement	5/22/2009
Q: My 20 year old heat pump has finally bit the dust. This is a split system with the air handler ... A: Jay, If the guy is replacing the air handler reconnecting the return air duct should be included in ...
HVAC Low voltage thermostat	5/21/2009
Q: Jim, I just am trying to confirm something about the wires coming from my HVAC system to the ... A: Stuart, If you have a control, a component that takes 24 volts to operate it you need a 24 volt line ...
re: fan switch on Lux500	5/21/2009
Q: My Lux500 has a switch to turn on the fan all the time, but it does not work. The fan switch only ... A: Randy, With a 24 volt heating/cooling thermostat the fan switch when in the ON position sends a ...
NuTone Airconditioners	5/21/2009
Q: We need to have our air conditioner and furnace replaced. We've done our homework and, at this ... A: Reigna, It get's a little complected when you furnish your own equipment. I'm not sure what exactly ...
NuTone Airconditioners	5/21/2009
Q: We need to have our air conditioner and furnace replaced. We've done our homework and, at this ... A: Regina, Newtone is no better or no worse then any other brand of heating or air conditioning ...
furnace blower cycling off and on	5/21/2009
Q: We have an older Coleman gas furnace in our mobile home. The thermostat has been turned all the way ... A: Lisa, I don't know which old model Coleman furnace your dealing with but it sounds like the fan ...
Comparable Old to New Equipment	5/20/2009
Q: I have a Carrier (gas) heating and (electric) air conditioning system that is old. I purchased my ... A: Warren, Model numbers are ever changing, Every time a batch is run off the assembly line with an ...
high pitch sound when airconditioner turned on	5/20/2009
Q: we have a centralized cooling and heating system and each time the airconditioner is turned on ... A: Sergio, Most likely an air noise from the blower in your inside unit? When your thermostat is in the ...
Ticking noises from the A/C	5/20/2009
Q: When the a/c comes on I can hear a ticking/dripping noises coming from only one vent. The a/c is ... A: Carolyn, "little box sitting next to the tubes"? I don't have any idea of what your talking about? ...
Comparable Old to New Equipment	5/19/2009
Q: I have a Carrier (gas) heating and (electric) air conditioning system that is old. I purchased my ... A: Warren, As far as I can tell from your Question is the only problem that your having is that the ...
HVAC Low voltage thermostat	5/19/2009
Q: Jim, I just am trying to confirm something about the wires coming from my HVAC system to the ... A: Stuart, The thermostat and power are 24 volt. The wire that connects to the RC, RH terminal is the ...
Old Gas Furnace...	5/19/2009
Q: My grandmother-in-law has a Monogram gas furnace. It sits in the wall and blows straight out into ... A: Josh, It take's 24 volts to open the gas valve, when the gas valve opens the gas flows out the ...
Heil furnace main burner don't ignite	5/18/2009
Q: I have a 11 (about) year old ultra high efficiency propane Heil home furnace. The exhaust fan, and ... A: Don, I wouldn't suggest that you take the cover off and then try to fire the furnace. If you can see ...
Heil furnace main burner don't ignite	5/18/2009
Q: I have a 11 (about) year old ultra high efficiency propane Heil home furnace. The exhaust fan, and ... A: Don, The way it works is that the igniter glows, the gas valve opens and the igniter lights the gas. ...
central AC model comparison	5/18/2009
Q: Please, Consumer Reports doesn't address this: How do Carrier, Luxaire (York), Trane, Heil, compare ... A: Colleen, I don't know where you live? I don't know what your options are? What are you doing for ...
central AC model comparison	5/17/2009
Q: Please, Consumer Reports doesn't address this: How do Carrier, Luxaire (York), Trane, Heil, compare ... A: Colleen. Residential heating and air conditioning equipment is about as equal as anything in ...
Central A/C not cooling	5/16/2009
Q: the outside system lines froze up on the 12th and I had a tech come out. He added 5 (R-22). I turned ... A: Kara, The compressor could make a humming sound if it were trying to start but couldn't. The ...
Central A/C not cooling	5/16/2009
Q: the outside system lines froze up on the 12th and I had a tech come out. He added 5 (R-22). I turned ... A: Kara What dose your outside coil look like? Is it clean or clogged? Can you hear the compressor ...
CO Level	5/16/2009
Q: What level of CO is acceptable in the airstream heating the living area? A: ANN, 0 to 9 parts per million (ppm) Normal - No Action: Typical from: outdoor sources, fumes from ...
Furnace Air inlet	5/15/2009
Q: the rollout switch on my furnace keeps triggering. I read the manual and it sounds like this is due ... A: Steve, You didn't give any information? Description of your furnace, Nat.gas, LP gas, Oil, Electric ...
Old Gas Furnace...	5/15/2009
Q: My grandmother-in-law has a Monogram gas furnace. It sits in the wall and blows straight out into ... A: Josh, A fifty year old heating only furnace with a standing pilot light needs only a two wire ...
air temp outside vs inside	5/15/2009
Q: Is there a standard for temp differences from outside to inside to determine how well insulated a ... A: James, If the outside tempature was constantly 80 degrees and there was nothing happening inside, ...
Modifying the air return on an existing forced air furnace	5/14/2009
Q: My son just purchased an older home. The furnace is located in the crawl space. The return air ... A: Kirk, It sounds like a plan. You need to maintain at least 200 square inches of free area going down ...
a/c vents	5/13/2009
Q: So I have been trying to adjust a/c vents to direct more air flow to west side bedrooms in our az ... A: James, As the exposure increases the conditioned air needs to increase. It's the same difference as ...
Leak Test	5/13/2009
Q: I have been quoted a leak test by 2 different guys. The cheaper guy uses a electronic device to ... A: Mike, I don't know what your system involves, capacity, access, split, self contained, etc, etc, ...
Compressor Does Not Turn On	5/13/2009
Q: Jim, I have a 10 year old split system with a gas heater. My issue is with the outside unit - ... A: wes, Check with your electric utility company. Where I live this is not a proublem, it's non exist ...
a/c vents	5/13/2009
Q: So I have been trying to adjust a/c vents to direct more air flow to west side bedrooms in our az ... A: James, Thermostats are not 100% accurate, The part that reads the tempature (no display) and turns ...
HVAC troubleshooting	5/12/2009
Q: I am having trouble with my AC unit. I have found some of the pipes in the unit's "closet" to have ... A: Darci, It's all but impossible to give an intelligent answer when you can't see the whole pitcher? ...
Mystery electric usage	5/12/2009
Q: We have been struggling for years with high electric usage. We live in a 8 year old custom built ... A: John, I don't know anything about your house or your neighbors house, I don't know what your using ...
AC/heat	5/11/2009
Q: I just received a quote to get a new split unit AC installed in my house. I was quoted $5400. With ... A: James, SEER ratings are for condenser units efficiency, it's for the amount of electricity that the ...
HVAC /split system	5/11/2009
Q: I have a split system that services my upstairs area that will not come on. I've checked the ... A: Randy, An "evaporator" is just a cooling coil that is installed in or added onto any number of ...
HVAC /split system	5/11/2009
Q: I have a split system that services my upstairs area that will not come on. I've checked the ... A: Randy, What is your system a Heat Pump? What will not come on, the attic unit, the outside unit, ...
A/C Blower Cuts Off After Operating	5/6/2009
Q: Lennox G40UH(X) Series A/C Blower stops working after a half hr or so. They replaced capacitor and ... A: Ron, Not that it matters or has anything to do with the blower stopping but I have no idea what a ...
Air Conditioner Unit	5/5/2009
Q: I live in AZ in a Manufacture home, 1900 sq ft. We need to replace our A/C unit. I've been told ... A: Lisa, The outside unit is the condensing unit. The inside unit is the air handler. The cooling coil ...
What type or brand central air conditioner for a manufactured home	5/5/2009
Q: Bought a brand new manufactured home with gas force heat but no central air. The house is 1600 sq ... A: Dee Dee, Heating and air conditioning equipment as well as duct work or anything else involved with ...
outside ac unit on old bard heat pump	5/5/2009
Q: had one tech tell me the clock was out on unit .it kicks in and out continuosly after it warms ... A: Terry, I don't know anything about a "clock" in a condensing unit? unless it's a timer that somebody ...
Return Air Size	5/5/2009
Q: I have a 3.5 ton central air it has been freezing up. i have a 14 inch air return. Was wondering if ... A: Joshua, You should have at minimum 200 square inches of free air space for the return air to flow ...
wall furnace for camper, general?	5/5/2009
Q: Ihave a model 15T, LPG duo-therm wall furnace for a camper. i didn't use it for a few years and took ... A: Roy, Copper Is a great material for absorbing and holding heat. Regardless of the heat problem you ...
P-Trap Location Condo Building	5/4/2009
Q: Whenever it is windy outside, there is a horrible garbage smell that comes from the wall around the ... A: Ronnie, Air conditioning unit's that have cooling coils inside the case have a drip pan underneath ...
AC cuts off after a minute	5/3/2009
Q: I have a 20 year old 2 speed lenox central HVAC system. This is the first time this season that I ... A: Reggie, The inside unit supplies the 24 volts needed to activate the contactor in the outside ...
A?C Coil, vent and returns	5/3/2009
Q: I have a 5 year old 4 ton system that continues to freeze up. I am constantly told the Freon is ... A: Corey, First, If the cooling coil has a leak then the system is not going to blow out any colder air ...
2nd Floor Air FLow	5/3/2009
Q: I have a 1 1/2 story home with a Trane 2.5 ton combined gas furnace - AC unit, 14 SEER. The air ... A: Bob, The problem I have in trying to offer some solutions is that I don't know what people have for ...
2nd Floor Air FLow	5/3/2009
Q: I have a 1 1/2 story home with a Trane 2.5 ton combined gas furnace - AC unit, 14 SEER. The air ... A: Bob, Air as it flows through the system from the return grill/grills to and out the supply registers ...
need schematics	5/2/2009
Q: i have a payne heating and cooling unit model number ph1zna030000aaaa serial number 3599g42198 and i ... A: Ronald, I don't know any person, place, that has what your looking for. I suppose you could contact ...
AC unit	5/2/2009
Q: My 10 year old American Standard AC unit is leaking coolant. It was charged up last summer & worked ... A: Diane, All you can do is get several free prices and opinions both ways. I don't know what your AC ...
Air Conditioner Unit	5/1/2009
Q: I live in AZ in a Manufacture home, 1900 sq ft. We need to replace our A/C unit. I've been told ... A: Lisa, Ducane was Purchased by Lennox in 1999 and was added it to a whole bunch of other brands of ...
Air Conditioner Unit	5/1/2009
Q: I live in AZ in a Manufacture home, 1900 sq ft. We need to replace our A/C unit. I've been told ... A: Lisa, Ducane is no better or worse then any other brand. The 4 tons sounds about right, Which ...
Comparisons	5/1/2009
Q: I need to purchase a new heat/air unit. I cannot seem to find a site that will show comparisons ... A: Dolores, All off the heating and cooling brands claim to be the best when in fact they are pretty ...
Sizing BTU for a cottage	5/1/2009
Q: Sorry for the confusion . The 50% and 70% are percentages on the second and first floor square ... A: Andrew, A mini split is like a through the wall unit or through the window unit except it's a split ...
vent covers	4/30/2009
Q: I have had my old air conditioning/heating system replaced with a new one, where all the vents are ... A: uli, There called floor registers if they have a damper, if there is no damper there called floor ...
heat exchanger	4/30/2009
Q: I have a 1985 Bryant gas furnace. I'm told the heat exchanger has failed and that it is more cost ... A: Curt, What type of "Bryant gas furnace"? Up, Down, or Horizontal flow? Maybe a roof top furnace? ...
dripping coil pan	4/30/2009
Q: I have a arcoaire heating and cooling unit, it is over 20 years old. The coil is leaking water. ... A: Patric, I don't no what you have going there but there is no "water" associated with your cooling ...
Central Air Blower	4/29/2009
Q: I have a Janitrol heat pump with central air. The furnace and blower worked fine all winter. We ... A: Brent, When it's working it's working. When it's not working check with an electric tester to see if ...
Flushing out hot air from a second floor house	4/29/2009
Q: I have a central AC unit where the typical thing happens, the first floor is ice cold and the ... A: Benjamin, Air flow's the easiest route. If you tapped into floor return to pull air from the ...
Replace a 14 SEER with a 15 SEER?	4/29/2009
Q: Our 10 year old 14 SEER Trane system has to have the coil replaced. We are wondering if it would ... A: Susan, You have to do the math, I don't know what you have to pay for electricity in your area? I ...
Central Air Blower	4/29/2009
Q: I have a Janitrol heat pump with central air. The furnace and blower worked fine all winter. We ... A: Brent, When your thermostat is in the heating mode it switches the blower relay/fan center to a ...
ck24-18 HVAC unit	4/28/2009
Q: We have a CK24-18 Goodman HVAC unit that is not working and has never since we bought our house last ... A: Natalie, CK on a Goodman condensing unit from about twelve years ago followed by the first two ...
air conditioning filters	4/28/2009
Q: I was told I need to replace/clean my filters every year...the only filter I know about and do ... A: Tracey, Since I don't live in your house or have never been there "the one located on the wall by my ...
Central Air Blower	4/28/2009
Q: I have a Janitrol heat pump with central air. The furnace and blower worked fine all winter. We ... A: Brent, I think your blower motor is faulty or it could be the blower relay control for your unit. ...
fan on rheem a/c outside wont kick on	4/28/2009
Q: ...when i turn the thermostat on inside,,,,,,,,to cool/auto....it kicks on and blows air out ... A: Pat, If the outside fan doesn't run the problem could be. No line voltage power going to the unit, ...
Broken AC Unit	4/27/2009
Q: My compressor is bad and my ac stopped working. I'm gonna have to wait a week or so to fix it. In ... A: Steve, You can remove the cover to the blower compartment and pull the air from the space where the ...
Broken AC Unit	4/27/2009
Q: My compressor is bad and my ac stopped working. I'm gonna have to wait a week or so to fix it. In ... A: Steve, If the outside tempature is cooler then the inside tempature open the windows. Don't open ...
Air Conditioner - No power at the Thermastat	4/27/2009
Q: I have no power to my thermostat, I checked the breaker box and everything seems to be fine. I ... A: Lance, What you have is a split system, Condensing unit outside and an air handler inside in the ...
heat pump	4/27/2009
Q: yeah i have a trane package unit heat pump and have had the guys at trane come at least 8 different ... A: Matthew, It sounds like your "package unit" is not getting enough return air. The cooling ...
hvac	4/26/2009
Q: Summer day, a customer calls in an say that their split system heat pump is heating instead of ... A: Wanda, Thermostat not switching? Shorted low voltage wires? Reversing valve faulty? Take the R and Y ...
swapping AC units	4/26/2009
Q: My old house has a York MC42-10A central AC unit. It is at least 25 years old but still working. My ... A: Peter, There has got to be hundreds maybe thousands of model numbers for air conditioners especially ...
air handler	4/26/2009
Q: How do I clean my indoor coils or why do I get ice on my coils when I run my AC A: Jamal, The unit needs a clean filter, an unobstructed return air flow. How to clean the coil depends ...
HEAT PUMPS	4/25/2009
Q: I'm in the market for a new AC/Htg system. I live in southwest Florida. If you were me, would ... A: Doris, I didn't say you don't "need a heat pump to cut down on the electric bills". A heat pump at ...
A/C Not Cooling	4/25/2009
Q: So I got a call from my wife today saying that the a/c had been running all day but was not cooling ... A: Mark, I'm not sure what your system is exactly? You didn't specify. I'm assuming that it's a "Heat ...
Red-Flagged Furnace	4/25/2009
Q: My fiance and I are purchasing a home and have just had a home inspection. The forced air furnace ... A: Rachel, The term is "Red Tagged". The reason a furnace is "red tagged" is because it's dangerous to ...
isolated (one time I think) popping sound from heater closed when unit off	4/24/2009
Q: We have a York Infinity furnace and air conditioner (split system). The furnace and blower are ... A: Lorna, York has an Affinity, Carrier has an Infinity. The York Affinity model comes in 80% and 90+% ...
HEAT PUMPS	4/24/2009
Q: I'm in the market for a new AC/Htg system. I live in southwest Florida. If you were me, would ... A: Doris, A heat pump is just an air conditioning unit that has a couple of extra controls which allows ...
hvac supply side condensation	4/23/2009
Q: while adding a light fixture in the Attic i discovered that my insulation was filled with water, it ... A: Mike, I can't get a picture in my mind as to where the problem is in relation to the condensation ...
attic furnace options/alternatives	4/23/2009
Q: background: I purchased a slab home with a quality furnace in the attic. problem: I lose a lot of ... A: Peter, Snow melting on the roof above the furnace more then any place else is pretty much normal, ...
attic furnace options/alternatives	4/23/2009
Q: background: I purchased a slab home with a quality furnace in the attic. problem: I lose a lot of ... A: Peter, I don't know what your furnace is? gas furnace, electric furnace, heat pump, heat only, ...
trane hvac unit	4/23/2009
Q: I live in Las Vegas so ac is a must.I recently installed a new T-stat in my home. My system ran fine ... A: James, Information really help's. If you have one unit on the roof only then you have a self ...
Duct work	4/22/2009
Q: I just had to install a new furnace. Modifying the new duct work left a couple of open areas at the ... A: Fred, No idea what the dimensions of the "open areas at the connection points" are? There is duct ...
heil air conditioner	4/22/2009
Q: My Heil a/c unit is not functioning properly. The fan(which is mounted under the top cover) does not ... A: Joshua, The motors don't have any place you can squirt some oil in, the motors are supposed to be ...
AC leak	4/22/2009
Q: I have a leak in my home AC. Is there a product that can stop the leak? If not and it is in an area ... A: Darren, When any part of the system develops a leak even if you can get at the "hole" once the ...
trane hvac unit	4/22/2009
Q: I live in Las Vegas so ac is a must.I recently installed a new T-stat in my home. My system ran fine ... A: James, Assuming that you have a split system, unit in the attic, and a unit outside. When the ...
getting rid of cooler	4/22/2009
Q: Were getting roof redone and want to get rid of swamp cooler. What is the best method? Roofer says ... A: James, The hole in the roof can be patched and roofed over By anyone that knows what there doing. ...
Need to move my a/c control panel	4/21/2009
Q: had to remodel are home due to Katrina. but it seems the a/c control is not reading the proper temp? ... A: Kim, The thermostat on the wall has some low voltage 24 volt wires connected to it, the wires are ...
lennox pulse	4/20/2009
Q: I have a pulse g21 that was installed in 1993. I have had numerous problems with it. 2 gas valves ... A: Greg, If you have spark and you have gas you should have ignition. When the induced draft vent ...
Central Air	4/20/2009
Q: I just recently moved into a new home and noticed shortly after moving in a whistling noise when my ... A: Jen, The way your filter is mounted, the size of the filter, the type of filter, all combined ...
Need to move my a/c control panel	4/19/2009
Q: had to remodel are home due to Katrina. but it seems the a/c control is not reading the proper temp? ... A: Kim, If there is something interfering with the temperature around the thermostat such as a vent ...
Heat/AC systems both run, but no heat/ac?	4/18/2009
Q: Natural Gas Furnace, and I believe electric central air conditioner. A couple of days ago I noticed ... A: Jonathan, It sounds like the blower in your furnace isn't running. It could be a faulty motor, a bad ...
AC pricing in NE Florida	4/18/2009
Q: I am currently building a new house - 2 story in NE florida. Living SF is 4300. My gen contractor ... A: Craig, Yes it seems like a large cost to upgrade. I don't think you need a dehumidifier at all. Yes ...
air in water pipe	4/17/2009
Q: We had the town turn off our outside water to avoid freezing of the outside pipe while we spent 5 ... A: Don, If your hot water boiler is installed properly which I'm sure it is even if there is air in the ...
AC handler	4/17/2009
Q: I need help and this is the problem "Compressor will kick on but the air handler will not" I switch ... A: Nelson, You need to get at the unit too check it out but from your description of having to turn the ...
Zone Valve Issue??	4/17/2009
Q: This morning I woke up to no Hot Water. I have a two zone system on my oil burner. One zone is a ... A: Chris, Disconnect the two wires from the thermostat and twist them together allowing to bypass the ...
Furnace will not light	4/15/2009
Q: I recently bought a house with a dual heater setup. The furnaces are original with the house, and ... A: Thomas, Most all furnaces now days, the main circulation blower is on a delayed timer switch that ...
air circulation	4/15/2009
Q: Jim, I am in the process of building a 28' x 40' gambrel barn style "cabin" in West central ... A: Gary, Heat from the wood burner stove (I assume on the main floor) is going to rise up to the peak. ...
Heil gas furnace fails to ignite	4/15/2009
Q: I own a Heil gas furnace that is less than one year old. Lately, it has been failing to ignite. The ... A: Phil, First the vent exhaust blower runs. When the exhaust blower runs it closes the pressure switch ...
York Heat Pump Blower issue	4/14/2009
Q: I have a York heat pump that the blower won't shut off. I called a contractor who said the blower ... A: Harry, When your thermostat is in the heat mode and the fan switch is set to AUTO, when the ...
ducted heating intake	4/14/2009
Q: I am planning to remodel the interior of our house, which will have to include moving the intake ... A: Allison, What matters is what is the smallest space that the return air passes through to get from ...
Need to replace heat pump	4/14/2009
Q: Our A/AC/heating is out and needs to be replaced. I have a few questions about the correct tonage ... A: Len, There is a lot more to sizing an air conditioner then square footage. If you had a working air ...
Heating & Air	4/14/2009
Q: My thermostat will let you change temps etc, but nothing happens. No cool air, no hot air, no fan. ... A: Karen, There are probably a thousand or so different thermostats hanging on peoples walls. There are ...
major return issue	4/12/2009
Q: We have major issues with our HVAC. I think the previous owners went with the cheapest bid--and now ... A: Mark, If your furnace is blowing air out through the supply registers then it's getting air from ...
Residential Air Conditioning	4/12/2009
Q: Our residential Air Conditioning system (condenser?) is located in our attic. We had tenants in our ... A: Roxane, The outside unit is the condensing unit. The unit in the attic is an air handler or furnace. ...
Floor Heating Vent	4/12/2009
Q: There is a heating/cooling vent on the floor of my bathroom that I do not want because I had a ... A: Holly, For some people heat in the bathroom is a must. One option is to relocate it to a wall vent. ...
A/C odor	4/12/2009
Q: I haven't used the A/C for several months. I just turned it on a couple of times last week and it ... A: Stan, I suppose the odor could be from "stuff" that got through or bypassed the air filter and ...
HVAC smell	4/11/2009
Q: I just moved into a condo that has Seasonmaker fan coil radiators installed throughout to provide ... A: Rene, The drip pan and drain line are for the air conditioning portion of the fan coil unit. When ...
HVAC smell	4/11/2009
Q: I just moved into a condo that has Seasonmaker fan coil radiators installed throughout to provide ... A: Rene, A drain line from a drip pan to the place it drain's to is at the discretion of the ...
heat or cool won't shut off when temperature reached	4/11/2009
Q: I live in a condominium where each apartment has a heat/cool unit connected to some building ... A: Ted, It's kind of unusually to have a constant fan, I guess it's OK if you don't have to pay the ...
General	4/9/2009
Q: I would like to ask the additional question regarding heat pumps as opposed to heat strip systems. ... A: Doris, Cooling coils are both copper tubing with aluminum fins. Every "contractor" has a favorite ...
converting to electric	4/9/2009
Q: My husband and I are thinking of purchasing an older home built in 1914. Previously the house was ... A: Toni, I don't know enough about the house to comment on duct work, like if there is a place to run ...
low voltage problem	4/8/2009
Q: touch yellow t-stat wire to y terminal on outdoor unit and it blows the 24v fuse on the air handler? A: Bob, Assuming that the yellow wire is connected to Y terminal on the inside then you need to check ...
what is better goodman or ruud	4/8/2009
Q: we are currently having a guy install a ruud 3.5 410 gas pack series in our 18 year old home. when I ... A: Ylonda, Ruud is the same as Rheem only the paint might be a different color. Rheem Manufacturing is ...
my water boiler doesnt fill up with water	4/8/2009
Q: i have pretty old Repco gasfired water boiler. recently i have drained all the water out of the ... A: Sean, I don't know what your opening and closing? A manual water valve? The next thing in line after ...
Coil replacement	4/7/2009
Q: can a leaky coil be repaired or does it have to be replaced? Also, at what age do you replace the ... A: Bob, It depends on the leak? If it's visible, accessible, doesn't resemble a blowout or explosion it ...
Furnace	4/6/2009
Q: I have a Lennox 80MGF Series furnace that is 12 years old. Lately, we noticed that when it kicks on, ... A: Dennis, I couldn't begin to hazard a guess how much it might cost if you call a service tech? About ...
Furnace problems	4/6/2009
Q: I have a Goodman furnace (60k GMNT060-3) that will light only the first burner half the time. It ... A: John, at the front of the burners there is a track/tube/channel type thing that touches the three ...
condenser unit	4/6/2009
Q: Someone recently sat on our condenser unit outside. There's no visible damage, but could there ... A: Melissa. If the unit works and there is no visible damage I think it would be impossible for there ...
A/C issue	4/5/2009
Q: I have a Hvac goodman ck42-1c unit and several days ago the A/C in the house stopped working. When ... A: Walter, When you say "no air blows inside" do you mean that the blower in your inside unit isn't ...
Ruud followup	4/5/2009
Q: Jim, I finally got everything back together (after a good cleaning) of my Ruud unit I wtote to you ... A: Chris, I'm not an electrician but there are usually several places in a house that you can connect a ...
Dripping evaporator	4/5/2009
Q: My evaporator drip pan was blocked with rust. I cleaned it out and ran hot water and bleach through ... A: Paul, Since you didn't give a description of what your unit is such as up, down, or horizontal flow? ...
Gas Dryer	4/5/2009
Q: I am an HVAC student with 2 of 7 months of school so far so I have limited training. My parents ... A: Brian, Laundry appliances,kitchen appliances doesn't really fall under the scope of HVAC. I don't ...
electric baseboard heater	4/5/2009
Q: It is an ELECTRIC baseboard heater. My questions are how long should the smell last and is there ... A: Pete, You can be sure that any type of electric baseboard heater that is new, packaged from the ...
RUUD Silhouette Mod. # UGDG 07EAUER Furnace w/ natural gas heat	4/4/2009
Q: HOW do I get to the blower motor to change it out?? This unit is mounted in a closet and there is no ... A: Chris, There are hundreds of different makes,models,types of furnaces in service. I don't have ...
ITT Millivolt Thermostat	4/4/2009
Q: I have a very old under the floor mounted gas heater which is controlled by an ITT millivolt ... A: Bob, Most likely the only thing you can do is replace the thermostat. Take the front cover off of ...
home hot water furnances	4/3/2009
Q: how can i stop the banging noise coming from the hot water pipes ANSWER: Dick, If your talking a ... A: Dick, I don't know how your boiler is piped? I don't know if there are separate zones, shutoff ...
Add variable-speed fan and thermidistat?	4/2/2009
Q: I would like to upgrade to a thermidistat to get the advantages of dehumidification, but it looks ... A: Pete, You need 400 CFM for every ton of cooling, the inside unit is matched to the outside units ...
Add variable-speed fan and thermidistat?	4/2/2009
Q: I would like to upgrade to a thermidistat to get the advantages of dehumidification, but it looks ... A: Pete, You can change or have it changed to just about anything that you want to in the way of a ...
milivolt floor heat system	4/1/2009
Q: My house was built in the 1930's and I have a single floor vent for my gas heat. Today, as always, ... A: Kim, There should be two wires coming out of the wall connecting to the thermostat R and W post ...
BTU's on Furnace	3/31/2009
Q: I received 3 quotes for a new furnace as I have a Moncrief from approximately 1971. I'm confused on ... A: Lisa, Your existing furnace has a rating plate stuck on it some place around the control ...
HEAT PUMPS	3/31/2009
Q: I would like to ask the additional question regarding heat pumps as opposed to heat strip systems. ... A: Doris, If you live in a climate that gets colder then 50 degrees outside occasionally you need ...
evaporator coil	3/30/2009
Q: I have just been told that I have a leak in the evaporator coil...AGAIN. this will be the 3rd coil ... A: Lorri, The cooling coil Has no moving parts, nothing that's going to ware out. It's a little ...
Gas Burner Won't Stay On	3/30/2009
Q: The thermostat turns on the system, fan and igniter starts, then the burner kicks on. A few seconds ... A: Susan, It sounds like the flame sensor to me. The key to the flame sensor being the problem is how ...
evaporator coil	3/30/2009
Q: I have just been told that I have a leak in the evaporator coil...AGAIN. this will be the 3rd coil ... A: Lorri, All "evaporator coil's" are not the same configuration or installed in the same manner. It's ...
Boiler (hot water system) with central air	3/29/2009
Q: My wife and I are looking at purchasing a home that currently has a hot water baseboard heat. The ... A: Erik, I don't know what model baseboard you have but it should be only about 2" deep. Rather then ...
Air Conditioning and Air Distrubution	3/29/2009
Q: Barnhart, I hope you can help with a matter that has been a bone of contention between my housemate ... A: Kathleen, Air conditioning a space or an individual room with the door and window/window's to the ...
Boiler (hot water system) with central air	3/29/2009
Q: My wife and I are looking at purchasing a home that currently has a hot water baseboard heat. The ... A: Erik, You can't add air conditioning to the existing hot water heat system. For Central whole house ...
Metalbestos Chimney	3/28/2009
Q: On remodeling - we want to remove a Metalbestos Chimney, model 7k-30, in our home. The house was ... A: Judy, Forty-fifty years ago a Metalbestos Chimney, model 7k-30 could well have asbestos inside ...
Cold air return sizing	3/28/2009
Q: I have a 4yr old house and I am finishing the basement. There is 1 bedroom (10x12) and the rest is ... A: Anthony, If you want to heat a basement area you need a return at the floor or within 6", if the bed ...
Air Conditioning problem/schroeder valve?	3/25/2009
Q: 2.5 Ton Goodman air conditioner installed June of 2004 by a local contractor($2,800)on the roof of ... A: Barb, I can't vouch for any one of the three. I don't know what "leaking all the way around" or ...
central air vent bringing in smoke from other apt.	3/25/2009
Q: I live on the second floor of an apartment that is less than twenty years old. It has central air ... A: Roberta, I don't know where your apartment is located but pretty much in any building municipality ...
Keeprite 80+ 8MPT troubleshooting problem	3/25/2009
Q: Our 8MPT died in the middle of the night about 10 days ago after 4 1/2 years of operation. We called ... A: Barry, Sounds like a problem with the Induced draft vent blower, either the way it's vented or the ...
House fresh air intake	3/23/2009
Q: I have a 1,700sq.ft house in Wisconsin. I run the fan continuously to filter the air, even when the ... A: Mike, Usually a furnace in the basement has it's filter where the return air drop duct comes down ...
House fresh air intake	3/23/2009
Q: I have a 1,700sq.ft house in Wisconsin. I run the fan continuously to filter the air, even when the ... A: Mike, All the air going into your blower compartment should be filtered. The amount of CFM moved ...
Gas Furnace	3/23/2009
Q: Jim, I've been reading some of the other questions asked of you and I seem to have a fairly frequent ... A: Barry, What you said in your first question " The ignitor will glow and the burner starts to light, ...
Gas Furnace	3/22/2009
Q: Jim, I've been reading some of the other questions asked of you and I seem to have a fairly frequent ... A: Barry, There are hundreds of different type furnaces with ever changing model numbers, serial ...
a/c repair	3/21/2009
Q: Do you think it is pushing the envelope to replace a condensor fan motor on a 30 year old carrier ... A: Howard, My choice for myself would be to replace the motor and capacitor, also the fan blade if need ...
hot water baseboard heating element covers	3/20/2009
Q: I can't seem to find the "wide" size I need; don't actually know what these covers are called so as ... A: fj, Just type in "Baseboard Radiation element and cover", you should get plenty of sites to look at. ...
Cast Iron radiator for toe kick heater	3/19/2009
Q: I am redoing my kitchen, moving wall and cabinet. The good old cast iron radiator is in the way. ... A: Danny, You can install a "toe kick heater" or any other type of hot water heat distribution device ...
Bathroom Exhaust Fan	3/19/2009
Q: At work I have a bathroom exhaust fan power running off the florescent light fixture and it causes ... A: Randall, If the positive line voltage wire coming from the light switch feeds both the fan and the ...
Leak in A/C unit	3/19/2009
Q: Last summer our air conditioner would not stay on it is a 20 year old Carrier 4 tons. The company ... A: Stan, There are different types of air conditioners, self contained, split system, If there is a ...
Duct work	3/19/2009
Q: I have a 20 year old 2 story home in Chicago area and we are replacing the original Furnace/AC/water ... A: Jim, Using the "cavities between the wall studs as the returns" is common practice in residential ...
Central Units	3/18/2009
Q: I have a older central unit it is a split unit. I'm going to replace it this spring. My question ... A: Joe, I don't know what your options are as fare as fuel goes? I can tell you where I live it costs ...
How many zones do I need	3/18/2009
Q: . How many zones of heating do you recomend for about 5,000 SF house. It has 5 bedroom all on ... A: Roman, It's all subject to what your options are as far as space and placement etc. You only need ...
Central AC Thermostat	3/17/2009
Q: I have a Whirlpool package central air unit, possibly 15 to 30 years old. All model #'s are faded ... A: Wayne, If you connect the wire from the R connection and the wire from the Y connection together the ...
Central AC Thermostat	3/17/2009
Q: I have a Whirlpool package central air unit, possibly 15 to 30 years old. All model #'s are faded ... A: Wayne, "Package central air unit" really doesn't tell me what all the thermostat is controlling, if ...
Increasing Efficiency in an Old Home	3/16/2009
Q: I have an older home, build at the end of the 1800s. When I bought the home, it had forced air heat ... A: Dana, I don't have any idea how many square feet of living area your house has? I don't know any of ...
BLOWER ACTING CRAZY	3/16/2009
Q: MY BUDDY HAS A RHEEM FROM 1985 100000 BTU FURNACE WHEN HIS FLAME HEATS AND THE BLOWER KICKS ON IT ... A: Rick, I think the blower motor is over heating and shutting of on a thermal overload, The blower ...
Voltage to gas valve on rheem furnace	3/15/2009
Q: I have a rheem criterion furnace RGDG-10EBJR. It won't ignite burners or will only for a second then ... A: Greg, The flame sensor element senses the heat, the heat generates millivolts which opens the gas ...
my blower makes a noise	3/15/2009
Q: on my outside unit aboutt 2 months ago it stop blowing threw the vents..my uncle how has a bit of ... A: Chris, OK, Forget about your statement, Quote " on my outside unit about 2 months ago it stop ...
airconditioner leaking water onto roof/ evaporative/ ducted-brand is Jarrahdale	3/15/2009
Q: I have a ' Jarrahdale' ducted airconditioner. Main box mounted on roof & 7 ducts throughout house. ... A: c, No wonder you dinged me for "celerity" on the rating! I completely missed the part about it being ...
airconditioner leaking water onto roof/ evaporative/ ducted-brand is Jarrahdale	3/15/2009
Q: I have a ' Jarrahdale' ducted airconditioner. Main box mounted on roof & 7 ducts throughout house. ... A: "c" The cooling coil in the unit has a condensate drip pan under the cooling coil, the drip pan has ...
Voltage to gas valve on rheem furnace	3/14/2009
Q: I have a rheem criterion furnace RGDG-10EBJR. It won't ignite burners or will only for a second then ... A: Greg, I don't keep a library for referencing all the hundreds of funaces makes and models, I can't ...
my blower makes a noise	3/14/2009
Q: on my outside unit aboutt 2 months ago it stop blowing threw the vents..my uncle how has a bit of ... A: Chris, Your question is a bit confusing? The outside unit doesn't ever blow air through the vent's. ...
Gibson electric furnace	3/14/2009
Q: I just moved into my new house in January of 2009. My contractor installed a 5 ton Gibson electric ... A: Chris, If your heating with electricity it really doesn't matter what brand electric unit your ...
central heating unit	3/13/2009
Q: in my house i have a pretty old gas heating unit the problem is there is no heat the pilot light is ... A: Bill, The valve that hooks into the gas line isn't getting any 24 volt power to it, or the valve is ...
HVAC purchase	3/13/2009
Q: y local HVAC company is offering a free Lennox furnace (with $885 for installation0 if I buy a ... A: Barbara, Payne, Bryent, Carrier are the same unit just diffrent names and prices. In my opinion all ...
Range Hood	3/13/2009
Q: We're doing a kitchen remodel (12'x24' space). Am trying to figure out how big the fan in the range ... A: Lora, It's been years since I figured a range hood, about twenty or more. You gave the width of the ...
HVAC purchase	3/12/2009
Q: y local HVAC company is offering a free Lennox furnace (with $885 for installation0 if I buy a ... A: Barbara, I think your not going to get any money savings deal plus you most likely already have an ...
furnace filter wrong placed?	3/12/2009
Q: I had my furnace replaced a few months ago and I went to change the filter for the first time. I ... A: Dani, The arrows should point in the same direction that the air flows. The installers most likely ...
water heater relief valve drain	3/12/2009
Q: Our water heater is in a basement, located in an unfinished space surrounded by finished rooms. The ... A: Richard, The purpose of a "Pressure Relief Valve" is to relive the pressure on some type of unit ...
Expansion Tank	3/11/2009
Q: Water leaking from overpressure valve. No pressure on expansion tank but a few drops of water did ... A: George, If you start out with about 10 psi cold water and the fill valve closes 100% the pressure ...
Rooftop air conditioner	3/11/2009
Q: My entire air conditioner is mounted on my roof (not just the condenser). evaporator, ductwork, etc ... A: Mark, Packaged heating and cooling units are made for outside installation, There are thousands of ...
water heater relief valve drain	3/11/2009
Q: Our water heater is in a basement, located in an unfinished space surrounded by finished rooms. The ... A: Richard, First you wouldn't drain the water heater through the PRV (Pressure Relief Valve), Actually ...
A/C coil repair	3/11/2009
Q: I just had an A/C guy out that told me my coil was leaking and said it was repairable. He did say ... A: Wayne, Of course your coil is repairable. I have no idea how cost effective it would be to repair ...
HEATING	3/10/2009
Q: I bought this model home in April 08. The home itself is about four years old. It has a LUXAIRE ... A: Chris, First, I don't have literature for researching the hundreds of different makes models and ...
replace Trane AC coil	3/10/2009
Q: Service tech found Freon leak, traced to AC coil on Trane horizontal unit in 3rd floor attic, easy ... A: Rick, I doubt if there is any warranty on the cooling coil, even if the manufacture covered the coil ...
furnace fire	3/9/2009
Q: We have a Carrier furnace that I believe was installed in 1998.It is forced air with propane. The ... A: Kelly, I suppose you could call the EPA in your area and ask what the regulations are in your area ...
furnace fire	3/9/2009
Q: We have a Carrier furnace that I believe was installed in 1998.It is forced air with propane. The ... A: Kelly, I say that the furnace repair person did something to the furnace to scare the living ...
Heat exchanger	3/8/2009
Q: I have a Rheem ugph furance and the heat exchanger tubes are loose. The tech tells me this HAS to be ... A: Greg, Since I don't know anything about your furnace such as how old it is? The only clue I got was ...
thermostat hook up	3/8/2009
Q: I have a Payne heat pump (i believe single stage) & A/C and am trying to hook up a new digital ... A: Daniel, It sounds like everything should connect to the new one as it did to the old one with the ...
Carrier Error Code	3/8/2009
Q: I do not know what model Carrier I have, but i came home the other day and the thermostat read low ... A: Robert, Check and make sure that you have 24 volt power going to the thermostat, The wire going to ...
AC condenser pan in attic leaking	3/8/2009
Q: My Trane ac Condenser unit drip pan in the attic is leaking( the pan that is connected to the ... A: Danny, If you have a "split system" which in your case would be two units, one outside which is the ...
Heat exchanger	3/7/2009
Q: I have a Rheem ugph furance and the heat exchanger tubes are loose. The tech tells me this HAS to be ... A: Greg, I don't have liturature on all the furnaces on the market and all the hundreds of models. What ...
seer ratings	3/7/2009
Q: is the seer rating for a/c s a definitve way to judge the operation of the condenser. also, can one ... A: Wally, SEER rating for an AC unit is just like gas mileage for a car, It's how much electricity the ...
furnace clearance question	3/6/2009
Q: Jim, I appreciate your help. I am in the midst of finishing my basement. I have a forced air gas ... A: Rick, The Clearance is 36" on the service side, if you have an up-flow furnace with the burner and ...
Mini split A?C unit kick breaker	3/6/2009
Q: I have a 23 years Innovair mini split unit that had been working ok until last night. When we turn ... A: Gwendolyn, Since I don't know what your capabilitys are I can't make recomendations on how to handel ...
floor vents	3/6/2009
Q: I am considering purchasing an entertainment center. It is wide enough to partially block two a/c ... A: Mike, If the 3-4 inches under the entertainment center is open around the perimeter the same amount ...
lennox funace problem	3/5/2009
Q: loud noise coming from furnace when it kicks on. Went down to see what it is. Seems to be coming ... A: Carla, Your question is a bit confusing? The way it works is when the furnace is idol and the ...
Strips aren't coming on for auxiliary heat	3/5/2009
Q: I'm working on my father-in-law's heat pump. He's got a 2 1/2 ton carrier outdoor unit which was ... A: Josh, If you set the thermostat at say 70 for heat and the thermostat calls for heat the heat pump ...
No power to Stat, no response anywhere	3/4/2009
Q: Jim, Recently I installed a new digital thermostat, to replace an old baystat240. The AC worked fine ... A: Shawn, You asked about a 240 volt transformer in the attic so I assume your unit is in the attic? ...
How to check connections	3/3/2009
Q: I have a RHEEM heat pump split unit. At outside unit there is no model identification; in the inside ... A: Enrique, I don't know exactly what your looking for? Your inside unit should have a wiring diagram ...
AC Return Air Vent Size	3/3/2009
Q: My condo in has 2 each 6 tom air handlers in a utility room. The space between the floors is a ... A: Chris, With a 5 ton unit you need a minimum of 250 sq. in. of free area. If you have an opening in ...
AC humidity	3/3/2009
Q: my brother has been living at my mom's old house in Gulf coast area for three years. He doesn't run ... A: FRances, I'm not an expert on "mold" but I do know that if something is kept moist and never dry's ...
AC Return Air Vent Size	3/2/2009
Q: My condo in has 2 each 6 tom air handlers in a utility room. The space between the floors is a ... A: Chris, You wrote "My condo in has 2 each 6 tom air handlers", did you mean your condo has 2 each 3 ...
disconnect and remove propane pipes	3/2/2009
Q: My home has two very old propane stand up wall units once used for heat. I live out of town and ... A: Jerry, If the gas is shut off at the tank you can disconnect the lines at the heater. you can remove ...
Heating Options	3/2/2009
Q: I'm considering purchasing a home in Colfax Township MI, it's a spooky old hotel with 12 bedrooms ... A: April, Your best bet would be a gas fired hot water boiler in a utility space some where in the ...
gas hot water heater	3/2/2009
Q: My whirlpool gas hot water heater makes banging/knocking noices at times. It doesn't do it all the ... A: Susan, The problem could be air, water pipes need better hangers, plumbed wrong? Susan, I gave you ...
Clicking Sounds	3/1/2009
Q: I have a Janitrol Air Conditioning and Heating Unit, This morning I was woke up by a strange ... A: Nelson, I don't know what a "Gas belt" is? I woulden't know a "wheal call" if I heard one? Do you ...
Rheem heat pump - AC but 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, I don't know what "CT" is? Check your thermostat for 24 volts (the R post). When you switch to ...
home gas furnace Bryant model 373 lav Downflow	2/20/2009
Q: Furnace will not come on. This is a reoccurring problem. There are 6 burner tubes coming off the gas ... A: Mike, I think you have taken care of the problem. Once the gas valve has opened there is just a ...
Line voltage and millivolt thermostat compatibility	2/20/2009
Q: I removed an electric baseboard heater (240v) recently and put a gas console heater in its place ... A: Steve, You need a millivolt thermostat to operate a millivolt system. I don't know your heater but ...
my hearter wont stay on or heat my home	2/19/2009
Q: When i turn the thermostat to heat/auto the furnace tries to kick in for a couple minutes then shuts ... A: Jacqueline, I answered this question before for a different named person. You all need to read the ...
Heat Pump noises	2/19/2009
Q: I have a one year old 2.5 ton compressor with a 3 ton air handler for my heating and a/c in my ... A: Tim, I'm not sure what exactly your talking about " longer condensate line create a louder ...
Heater wont light	2/18/2009
Q: I have an attic mounted furnace. It blows cold air only after thermostat has been turned to heat for ... A: Rick, First: There are a lot of different type furnaces that use different types of controls to ...
Heater wont light	2/18/2009
Q: I have an attic mounted furnace. It blows cold air only after thermostat has been turned to heat for ... A: Rick, If nothing happens, no induced draft flue blower running then you need to check the control ...
No heat coming from vents	2/18/2009
Q: When the thermostat hits my set temp and the HEAT kicks on, the air coming from the vents is the ... A: Brian, If you have a heat pump system, the outside unit is the heat pump, the inside unit is the air ...
Carrier, High Efficiency, Water Drip Main Duct	2/18/2009
Q: Carrier Weathermaker 9200 58MXA, High efficiency furnace (1995 basement installation. Should note: ... A: Maureen, I don't have a manual on your furnace but there are specifications on the parameters of how ...
furnace	2/18/2009
Q: When i turn the thermostat to heat/auto the furnace tries to kick in for a couple mintues then shuts ... A: Romam, I think I just sent you an answer. You need to be more specific about what the furnace dose ...
Air Duct Replacement	2/17/2009
Q: We have a need to replace our kludged together Heating and Air Conditioning system. We have been ... A: Bill, If "The air conditioner cools the house fine" then it must be sized right. If "The air ...
Air Duct Replacement	2/17/2009
Q: We have a need to replace our kludged together Heating and Air Conditioning system. We have been ... A: Bill, FirstWhy do you need to or want to replace the heating and cooling? Second: What is the square ...
home gas furnace Bryant model 373 lav Downflow	2/17/2009
Q: Furnace will not come on. This is a reoccurring problem. There are 6 burner tubes coming off the gas ... A: Mike, Check that little gas spreader thing that goes across the front of the burners to distribute ...
Hi pressure reading (30psi) in 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, Your not likely to get the air that's in the system out by bleeding the little air bleeders. ...
morning hot water problem	2/17/2009
Q: In order to get hot water for a shower in the morning, I have to run the dishwasher before I wake ... A: Adela, No problem, I know what a mixing valve is, I just don't know of any requirement by the ...
Banging Forced Air Heating	2/17/2009
Q: I recently changed the air filter in the main vent and now when the heat cycles off, the system ... A: Julianne, Every home doesn't have an air filter and a duct system or a unit like your's, I use the ...
Central air works but heating doesn't	2/16/2009
Q: My central air unit works on cool but the heat doesn't. Someone told us it could be the automatic ... A: Sigrid, I still need information. Example: I have a gas fired forced air furnace in my basement. ...
Central air works but heating doesn't	2/16/2009
Q: My central air unit works on cool but the heat doesn't. Someone told us it could be the automatic ... A: Sigrid, Your air conditioning unit and your heating unit are two separate things. They do combine to ...
morning hot water problem	2/16/2009
Q: In order to get hot water for a shower in the morning, I have to run the dishwasher before I wake ... A: Adela, I'm not a plumber! I don't know anything about a required mixing valve? Who is requiring it ...
Water Heater	2/16/2009
Q: How can you tell if one of the elements in an electric water heater has burnt out? A: Diane, Test the electrical element with an eclectic tester, if the element is getting power and it ...
Smoke from boiler	2/16/2009
Q: Just came back from work and found out smoke is coming out from boiler, what can I do tonight to ... A: Sena, If it's a dangerous scary situation call the fire department/911. If you think it's not a ...
Replacement Air or Makeup Air	2/15/2009
Q: Since putting new windows in my house, the house is so insulated that I have a negative air flow ... A: WR, Your question leaves a lot of desirable information missing, like what type furnace you have, ...
wrong with my A/C	2/14/2009
Q: I turned on my heat on. Then an hour or 2 my girl turn the A/C on cause i turn the heat on she turn ... A: Sounds like the fan center on your air handler, loose wire, connection or a faulty fan center, needs ...
wrong with my A/C	2/14/2009
Q: I turned on my heat on. Then an hour or 2 my girl turn the A/C on cause i turn the heat on she turn ... A: Nguyen. OK Phillip, Your making me wonder if your one of my "practical joker friends" trying to have ...
Air conditioning noise in a recording studio	2/14/2009
Q: We are planning to convert a classroom in our church to a recording studio. The problem is that one ... A: Philip, I have no knowledge of "Henderson Nevada"? I don't know what your options are or your ...
wrong with my A/C	2/14/2009
Q: I turned on my heat on. Then an hour or 2 my girl turn the A/C on cause i turn the heat on she turn ... A: Nguyen, I have asked a couple of times what your your "A/C" is? but I haven't gotten an answer for ...
Air conditioning noise in a recording studio	2/13/2009
Q: We are planning to convert a classroom in our church to a recording studio. The problem is that one ... A: Philip, I suppose there are people, companies, engineers that are qualified specialists in sound ...
water heating system	2/13/2009
Q: I have a boiler/ radiator heating system in an old home and today, about six hours ago, I had 2 ... A: Mike, The description you gave "a sudden brief burst of water from a pipe stem with a small valve in ...
Problem with my AC	2/12/2009
Q: I turned on my heat on. Then an hour or 2 my girl turn the A/C on cause i turn the heat on she turn ... A: Phillip, Thermostats very in price. You can get a thermostat for around $25 at Lowes or Home Depot ...
Wall Heater	2/12/2009
Q: I believe this heater is an original from when the house was built in 1950. Thanks Gayle A: Gayle, There are different types of wall heaters from fifty or sixty years ago. It could have been ...
white powder	2/11/2009
Q: my furnance is 2yrs old. i have white powder coming in from my vents,no one can find me any answers ... A: Glenda, I just don't know anything about your system? Duct work under the house could mean a lot of ...
white powder	2/11/2009
Q: my furnance is 2yrs old. i have white powder coming in from my vents,no one can find me any answers ... A: Glenda, I can't tell you how harmful it might be if at all? I don't know what it is for sure? Did it ...
gas central heating	2/11/2009
Q: the pressure on the boiler keeps dropping until the boiler cuts off, so the heating cuts off. its ... A: Jan, I don't know how your boiler is installed? Different installers do different things. Different ...
white powder	2/11/2009
Q: my furnance is 2yrs old. i have white powder coming in from my vents,no one can find me any answers A: Glenda, There is a multitude of different types of materials used for making duct work that conveys ...
Rheem Furnace	2/10/2009
Q: I have a Rheem furnace and I changed the filter. I guess I didin't put the panel on secure and when ... A: Thea, If the pilot light is on and the blower works then your getting power and gas to the furnace. ...
Outdoor Thermostats and Heat Pumps	2/10/2009
Q: We recently had one of our heat pumps replaced with a Payne PH113NR unit. They also replaced the ... A: Jeff, When the thermostat calls for heat the heat pump turns on in an attempt to satisfy the ...
Furnace blower kicking on/off	2/9/2009
Q: Jim, First, thanks for taking my question. We have a Trane XR80 (4 years old) The blower motor kicks ... A: Greg, In the furnace burner compartment, Your left side facing the burners, Opposite side of the ...
Furnace blower kicking on/off	2/9/2009
Q: Jim, First, thanks for taking my question. We have a Trane XR80 (4 years old) The blower motor kicks ... A: Jim, You need to look and see what's happening in the furnace. First the induced vent draft fan ...
American Standard Gas Pack Heater loud thump	2/9/2009
Q: Jim, We've got two American Standard AC / Gas Pack Units on our roof — One 3 ton and one 3.5 ton. ... A: Steve, I think you need to go to the unit on the roof and locate where the sound is coming from ...
A/C system ducts filling with water	2/9/2009
Q: I live in the Northeast and have an A/C system separate from my baseboard heat, so the A/C system in ... A: Joe Moisture inside your ducts, if it's not coming from an outside source like a leaking plumbing ...
Heat Pump	2/9/2009
Q: I have the same heatpump problem recently. It buzzes (for lack of a better word) at night, the ... A: Donna, If you have the right tool for prying up one corner at a time it's not a problem, It really ...
duct work	2/8/2009
Q: im trying to find out what the most efficent and best way to install duct work in my home for heat ... A: Ron, The best place for supply registers when your unit is heating is at the floor level, in the ...
Heat Pump	2/8/2009
Q: I have the same heatpump problem recently. It buzzes (for lack of a better word) at night, the ... A: DK, Did you get a chance to read my last answer? Did you get a chance to log onto the web site I ...
Cigarette Smoke From My Neighbors?	2/8/2009
Q: I am periodically (several times throughout the day, but not constantly) smelling cigarette smoke in ... A: Dana, There are hundreds of different types of heating and air conditioning units in the world and ...
Goodman gas starting in wrong order	2/8/2009
Q: We have a Goodman HVAC system with Heat-pump and gas option depending on the outside temperature. ... A: Scott, It sounds like the wiring for the low voltage 24 volt circuit is not connected properly or a ...
Forced air gas heater	2/7/2009
Q: Goodman GMP075-3 works great. Started making some banging noise close to the end of the heat cycle. ... A: Sam, It's hard telling from where I'm sitting? One persons "bang" could be another person "tap". If ...
ac air return	2/7/2009
Q: I live in the Northeast. My AC is in the attic, (heat is baseboard so no connection)Home is 5 years ... A: Frank, Everything in the attic, supply duct's, return duct's needs to be insulated from the cold in ...
Humidifiers	2/7/2009
Q: Our furnace is being replaced and the price they shot us on an Aprilaire is $375. The price is right ... A: Robin, There are several different types and models of "Aprilaire Humidifiers". I don't know which ...
Heat Pump	2/7/2009
Q: I have the same heatpump problem recently. It buzzes (for lack of a better word) at night, the ... A: Donna, Your question is confusing? What type of "heat pump" do you have? Is it a split system or a ...
water heater vent	2/6/2009
Q: I had a new furnace put in a year ago and now I need to have some worked done to my hot water heater ... A: Tom, Your question is confusing? If the furnace vents separately out the side of the house then it's ...
Troubleshooting an Open High Limit error	2/5/2009
Q: My sister's furnace (American Standard, I believe the model number is CUB140A960C4) hasn't been ... A: Chip, I agree it's not a flame sensor, Like I said if the burner only stays on 5 seconds or less ...
ac	2/5/2009
Q: I turn on the ac the fan motor out side will not come on. the ac and heat work fine ANSWER: Randy, ... A: Randy, If the motor doesn't do anything when the unit first gets power, no twitch, no hum then check ...
Troubleshooting an Open High Limit error	2/5/2009
Q: My sister's furnace (American Standard, I believe the model number is CUB140A960C4) hasn't been ... A: Chip, It sounds like the furnace has a corroded flame sensor? An important factor in diagnosing ...
Goodman Ignition does not light.	2/4/2009
Q: Goodman ignition does not light. Tried lighting up a lighter when the Gas "hissed" and it worked. ... A: Burt, When the thermostat calls for heat the first thing that happens is the vent draft inducer ...
Armstrong ULTRA V Enhanced 80	2/4/2009
Q: Jim, Woke up this morning to the furnace running, but no heat. Cycled the system and the exhaust ... A: Wes, Could be the circuit board, could be the thermostat, could be the exhaust blower motor, could ...
NEW SPLIT AC SYSTEM	2/4/2009
Q: I am replacing a 23 year old AC split system in a third floor condo unit in a five story building in ... A: Nancy, I think heating and air conditioning equipment for residential applications are all pretty ...
wall furnace	2/4/2009
Q: Jim I have a wall furnace I'm Installing in my barn. What should the height of the chimney be above ... A: Tom, Whatever the vent Collier connection on the wall heater is determines the vent size, all wall ...
Payne Furnace Model # PG8UAA	2/3/2009
Q: My furnace will periodically (2 – 3 times per week), not start up when called. If I turn off the ... A: Aimee, I don't understand the code "blower on after power up (112 VAC or 24 VAC)? The code may mean ...
not heating properly	2/3/2009
Q: I have a gas furnace Goodman gmp 075-4,is not heating properly, i meant,is not reaching the temp on ... A: Giancarlo, When the furnace doesn't function properly it shuts down. When the furnace shuts down the ...
Goodman 80% efficiency Furnace	2/3/2009
Q: My parents have had a Goodman furnace installed about 1 year and a half ago. It seems that ... A: Pam, " everytime the temperature outside goes below 5 degrees,the furnace goes on and off,about ...
Heat pump & Air Handler	2/2/2009
Q: In 2005 we contracted with a company to replace our York outdoor & inside unit, with the exception ... A: Carol, A heat pump is an air condition condensing unit that has the ability to reverse the systems ...
Heat pump & Air Handler	2/2/2009
Q: In 2005 we contracted with a company to replace our York outdoor & inside unit, with the exception ... A: Carol, First let me say I don't know what the "big water tank in the basement" is maybe the hot ...
Efficiency ratings, old weil-mclain equipment	2/1/2009
Q: We have an older W-M HE II gas boiler, and I have been trying to find an AFUE efficiency rating. ... A: Larry, I think your correct on the efficiency rating. I don't know what else your system consists ...
Air/Heater motor in crawlspace replacement	2/1/2009
Q: Our house was built in the early 60's and has a gas heater and fan directly under the center of the ... A: Brent, I know exactly what your set up is, I don't know where you live but I've installed a thousand ...
philco furnace problem	2/1/2009
Q: i have a philco furnace g6ra-096c-16b the thermostat is set at seventy three temp freq falls below ... A: freddy, When the thermostat calls for heat the fan control is energized but it's a timed delay ...
a.c. system	1/31/2009
Q: I recently called in an a.c. specialist to replace a filter. He had no filter but told me I needed ... A: Janet, Your house With everything "average" such as windows, insulation, exposer to heat, etc needs ...
a.c. system	1/31/2009
Q: I recently called in an a.c. specialist to replace a filter. He had no filter but told me I needed ... A: Janet, Nothing against you but I think the "a.c. specialist" you called sized you up as an easy ...
home furnace	1/31/2009
Q: my furnace runs through its normal cycle and immediately starts into another cycle. this may happen ... A: Scott, The furnace shouldn't end the cycle unless the thermostat is satisfied. The furnace shouldn't ...
carrier gas furnace Heating not respondind	1/31/2009
Q: I have carrier gas furnace. Just five year old.There is no heating.I changed the filter witch one ... A: Jeff, You need to observe the control compartment/burner compartment of the furnace, turn the power ...
Goodman Oil Furnace	1/31/2009
Q: My parents are older (80's +) and just had thier furnace maintenanced. The technician told them ... A: Lowell, On my ask a question page it say's I don't do oil equipment. The reason being that oil ...
anama heating and air	1/30/2009
Q: can you give me any info about a amana forced air furnace and central air system? A: Juan, I'm not sure what type of information your looking for? Amana Heating and Cooling equipment in ...
Thermostat	1/30/2009
Q: We have been without electricity for four days it came on around one hour ago and within a few ... A: Robert, I don't know "DICO" thermostat. To answer your question "malfun" means "malfunction" which ...
Central Heating Unit Not Working Properly	1/30/2009
Q: We have an OLD Payne Central Heating - a/c Unit, the a/c compressor went out a couple years ago - ... A: Jim, It sounds like the furnace blower motor is running under some stress that causes it to over ...
Return Air	1/29/2009
Q: My wife wanted a door on our laundry room so I installed one only to find that now when the heater ... A: Frank, With the added information my first answer is null and void, lets start over. If your ...
thermostat fluxuations	1/29/2009
Q: I have a furnace, that is aprox. 6 yrs. old. Right after we moved in, I replaced the older ... A: Dave, You may have a faulty thermostat? There are hundreds of thermostats on the market, I don't ...
keeprite 7500 btu	1/29/2009
Q: hi replaced furnace cant find where to connect low volt wire to terminal board A: Jimmy, The low voltage circuit runs through the furnace controls. The furnace comes from the factory ...
Return Air	1/29/2009
Q: My wife wanted a door on our laundry room so I installed one only to find that now when the heater ... A: Frank, You didn't specify but are you calling a gas fired forced air furnace "heater"? I assume your ...
thermostat fluxuations	1/29/2009
Q: I have a furnace, that is aprox. 6 yrs. old. Right after we moved in, I replaced the older ... A: Dave the thermometer that you read and the thermostat that turns the furnace on and off are really ...
heat pump not heating	1/28/2009
Q: I have a Bryant heat pump. It´s a 15 years old unit. It runs but the house does not get warm. I set ... A: Jorge, Are you saying that when you set the thermostat on 75 the air handler portion blower runs and ...
Lennox 5 Ton Electric Heat Pump	1/28/2009
Q: I have a 5 year old Lennox electric 5 ton heat pump and the compressor failed in December 08. The ... A: Shirley, I don't know the time limits involved on your compressor or other parts, Most of all what ...
Lennox G20 recycles frequently	1/28/2009
Q: I live near Chicago in a 15 yr old split level frame house with the original furnace, a Lennox G20. ... A: Joe, If the thermostat calls for heat the furnace runs, When the thermostat is satisfied the heat ...
heating and aid unit broken.....	1/28/2009
Q: I had a guy come out to my house to fix my unit, and he said it need some freeon added to it. It ... A: Jessica, I think you have a "heat pump" system? When the thermostat calls for heat the unit under ...
furnace blowing cold air in the heat cycle	1/27/2009
Q: i have a 12 year old 80% york furnace that every few days will blow cold air during the heat cycle ... A: Chris, When your furnace is in the heat cycle the blower is controlled by a fan control that turns ...
heat pump not heating	1/27/2009
Q: I have a Bryant heat pump. It´s a 15 years old unit. It runs but the house does not get warm. I set ... A: Jorge, Whatever your heating system is it needs to be sized to produce the amount of heat BTU's that ...
Rheem vs Trane and Carrier	1/27/2009
Q: We live in the suburb of NYC and are in the market for a new central air unit. We live in a ranch ... A: Surije, I assume your talking cooling only from your question. I think all units that have the same ...
attic vent question	1/26/2009
Q: Jim, I have a 500 sq/ft walk-in attic above my kitchen. Currently, the attic has a ridge vent and ... A: Christian, When I read your question I thought you were describing my house. I have 1920's house ...
Inducer motor	1/26/2009
Q: I have an 9 year old Linox Dimension furnace and the is making a squeaking/squealing noise for maybe ... A: Tom, No doubt you can change the motor if you have the ability and the tools. I don't know what your ...
Install of a new Thermostat	1/25/2009
Q: Jim, I currently have a Cheap Honeywell T841 A 1712 Thermostat to control a Carrier FB4ANF024 ... A: Nick, I can't see the thermostat diagrams or the thermostat, there have got to be hundreds of ...
hvac problems	1/25/2009
Q: i have a XL1200 heat pump outside and a goodman coil inside was originally a colman inside unit. ... A: Nellie, It sounds like your outside condensing unit has a control proublem that is causing the ...
Trane Heater	1/24/2009
Q: my house was built in 2005 I Have a Trane Heater XR90. Evertime it shuts off when the temperature ... A: Doug, Duct's usually have a cross break like a bog X across the wide side to keep the duct from ...
Help: $900 electric bill. Convert to LP? Hybrid Heat?	1/24/2009
Q: Jim: I need to make a big decision, and I need unbiased input. My situation is this: Moved into a ... A: Forrest, Heat pumps are just air conditioners that have controls that reverse the flow and warm the ...
No hot air from furnace	1/24/2009
Q: I have a Coleman Evcon gas furnace Model# BGU100GA and I have cold air coming out of the vents when ... A: Chip, Furnaces start and run in stages. Thermostat calls for heat. Induced vent blower starts. ...
heat pump wont shut off	1/23/2009
Q: Sometimes, our heatpump will kick on normally, then kicks the blower off but still keeps running, we ... A: Stacie, There are several fan's, motors, controls, components etc. with a heat pump system that ...
Furnace seems to turn off and on a lot, alternates hot and cool air	1/23/2009
Q: Please forgive my ignorance--we have a trane 80% efficiency furnace and it seems to turn off and on ... A: Vicky, When your thermostat calls for heat the burner lights and a short time later the main blower ...
heater fan	1/22/2009
Q: When I have my furnace set on heat and "Auto" , the furnace ignites when it it the selected ... A: WM, The "flame sensor" has nothing to do with the fan/blower turning on. The "flame sensor" dose ...
heat pump turn off blower still runs	1/22/2009
Q: We bought a used mobile home with Coleman-Evcon Central A/C & Heat unit. There are two thermostats ... A: Cindy, I don't know if the extra thermostat is part of anything or just something some body left ...
heater fan	1/22/2009
Q: When I have my furnace set on heat and "Auto" , the furnace ignites when it it the selected ... A: wm, When the thermostat is in the heating mode and the fan switch is set to "Auto" the thermostat ...
boiler	1/22/2009
Q: I have a hot water boiler in a boiler room of my office building Slab foundation. The pipes from the ... A: Gary, To purge the air out of the cold zone you need to force water in one end of the zone and out ...
Central Heat/Air	1/21/2009
Q: I live in a condo that has a central heat/air combo unit that went out for good I think. Where can ... A: Kim, "Central heat/air combo unit" covers a lot of territory. I don't know exactly what you have? A ...
Heating and Air unit	1/20/2009
Q: I have an electric heating and air combo. I don't have any problem with it cooling in the summer, ... A: Paula, When a heat pump thermostat calls for heat the the outside condensing unit goes into a ...
11 yo Payne ignition lighted gas furnace: won't turn on	1/20/2009
Q: Furnace does not turn on at all - as of today. I changed the filter. What can I check for before ... A: Irma, Take the thermostat wires off of the thermostat from the R and W posts and twist them together ...
11 yo Payne ignition lighted gas furnace: won't turn on	1/20/2009
Q: Furnace does not turn on at all - as of today. I changed the filter. What can I check for before ... A: Irma, Did the furnace work OK before you changed the filter? Did you take the cover/door off to the ...
HVAC air intake	1/19/2009
Q: The air intake for my trane xr90 takes air directly from my basement. When its running I can feel ... A: Robert, I don't have any idea from your questions where in the house your furnace is installed? In a ...
ceiling vent air direction	1/18/2009
Q: The two ceiling vents in my upstairs bedroom (a small room maybe 10x12) are on one side of the room ... A: Lisa, The "vents"/registers need to blow the air at the outside wall and also beginning at the ...
Rheem Quiet 80 direct spark system	1/18/2009
Q: I have a Rheem quiet 80 system that was installed les than 2 years ago. This winter we have had to ... A: Mark, I'm not "aware of this issue"? You might try positioning your igniter better so that the spark ...
duct length	1/18/2009
Q: I'm looking for another opinion. What is the longest duct length recommended for an 80% efficiency ... A: Cindy, Everybody's house is different, furnaces are different, duct systems are different. I have no ...
ceiling vent air direction	1/18/2009
Q: The two ceiling vents in my upstairs bedroom (a small room maybe 10x12) are on one side of the room ... A: Lisa, The air should blow at the outside wall so that it covers the entire wall, there needs to be a ...
large ceiling return vent needs to be closed in winter?	1/18/2009
Q: I have a central air system for cooling,not heating. There is a aprox. 2' by 2' return in the ... A: Art, The "return air vent" you describe sounds like a filter grill? Filter grills have a hinged face ...
Carrier furnace - repeated ignition lockout	1/17/2009
Q: Jim, We have a Carrier furnace, about 10-11 years old. This furnace does not have a pilot, but an ... A: Patty, The clue to if the flame sensor is the problem is that the vent blower comes on, the igniter ...
Carrier furnace - repeated ignition lockout	1/17/2009
Q: Jim, We have a Carrier furnace, about 10-11 years old. This furnace does not have a pilot, but an ... A: Patty, When the thermostat calls for heat the first thing that has to happen is that the induced ...
TRANE XR90 led blinking...	1/17/2009
Q: My Trane XR90 led is blinking 3 times. I can hear what I think is the blower turning on, but it ... A: Matthew, If your talking about a flashing LED in the control compartment of the furnace? there ...
Floor Furnace	1/16/2009
Q: I have an ancient "Electrogas" Floor Furnace, probably 75 years old, that works/heats fine for my ... A: Melva, Floor furnaces were pretty much outlawed throughout the country 40-50 years ago however you ...
York Furnace Timing.	1/16/2009
Q: I have a York P2MPD14N08001B furnace. About 15 yrs old. Noticed that when we call for heat: First, ... A: Vijay, It sound's like something is crossed up, maybe a faulty circuit board. The first thing that ...
honeywell thermostate settings	1/16/2009
Q: We purchased a Honeywell CT87K thermostat and need to know what the cycle rate settings should be. ... A: Bill, Set the cycle the same as the amp draw rated on the gas valve. If you can't find the amp draw ...
no Hot water	1/15/2009
Q: I am a dummies in this kind of thing. I even don't if the furnace is electric or gas. I guess it's ... A: Jean-Marc, A water heater is a water heater. A furnace is a furnace, they are separate things. In a ...
no Hot water	1/15/2009
Q: I am a dummies in this kind of thing. I even don't if the furnace is electric or gas. I guess it's ... A: Jean-Marc, I have no Idea what your water heater is, is it gas or is it electric, Do you even have a ...
Lennox Merit Series	1/15/2009
Q: Greetings, I have had a problem with the heating on the Lennox Merit unit. It worked early on then a ... A: Kate, After the neighbor did there thing did the furnace work OK and for how long? I'm not sure what ...
humidity	1/15/2009
Q: moving into a new modular home that has electric heat and no humidifier, using a borrower meter, I ... A: Mike, Different folks have different needs or requirements when it comes to humidity. Humidity is ...
Water heater	1/15/2009
Q: I live alone in a 3 br, 2 1/2 bath home, approx. nine years old. I bought it new. I use the master ... A: Dave, I'm sure if you get plenty hot water at the sink but not at the two showers it has something ...
Payne Furnace	1/14/2009
Q: I have a newer Payne furnace. I had to disconnect the thromostat and since re-connecting...the ... A: Michael, You stated "the furnace has two wires, a White and Black and hooked up as follows". Did you ...
Payne Furnace	1/14/2009
Q: I have a newer Payne furnace. I had to disconnect the thromostat and since re-connecting...the ... A: Michael, Turn the thermostat all the way down/off for 30 seconds or if that doesn't work turn the ...
Luxaire York furnance - open limit	1/14/2009
Q: Jim You have been very helpful in the past I hope you can help today. I have an older York or ... A: Steve, If the "small vent blower dose not come on first the igniter won't glow and the gas valve ...
Luxaire York furnance - open limit	1/14/2009
Q: Jim You have been very helpful in the past I hope you can help today. I have an older York or ... A: Steve, When the thermostat calls for heat, the thermostat closes the 24 volt circuit that sends ...
vents	1/14/2009
Q: I have a home built in 2000. The vents are in the ceiling and I have a heat pump. I have a hard time ... A: Melissa, The supply diffusers or registers which ever they are should be installed so that the air ...
wire a new transformer for my thermostat	1/13/2009
Q: I have a 1989 snyder-general gas forced air furnace. My problem is that the fan limit reaches 200 ... A: Pat, There are probably a hundred or so different types of limit switches from the 1980's. Some of ...
wire a new transformer for my thermostat	1/13/2009
Q: I have a 1989 snyder-general gas forced air furnace. My problem is that the fan limit reaches 200 ... A: Pat, I still don't know what type of furnace you have? Dose your furnace have a standing pilot or is ...
Heating	1/13/2009
Q: Any information you may have on this would be greatly appreciated!!!!!! We heat our split style ... A: Tiffany, I don't know how your boiler is piped, or what you have as far as zone controls, circulator ...
Lennox G21 Pulse Furnace	1/13/2009
Q: I have a heating cycle problem. The heating cycle starts just fine, purge, heater on, fan on after ... A: John, What you describe is that the furnace is over heating and shutting off on high limit, the ...
York Diamond 80 heat blower cycles 20 seconds	1/13/2009
Q: I have a 1996 York Diamond 80 gas furnace (in the basement). Everything starts up ok (thermostat ... A: Jim, You could have a bad motor that's heating up and shutting off on a thermal overload until it ...
Relocate air filtering system	1/13/2009
Q: Jim, This is a follow-on to our previous discussion. I apparently have had too many follow-ups so ... A: Bob, You can get a filter grill that holds a filter, type "return air filter grill" into your ...
wire a new transformer for my thermostat	1/13/2009
Q: I have a 1989 snyder-general gas forced air furnace. My problem is that the fan limit reaches 200 ... A: Pat, First I'm not familiar with what exactly type of furnace you have. Snyder furnaces in my area ...
Floor Furnance Problems	1/12/2009
Q: I have an old floor furnace, back in the early fifties. The old Honeywell Comfort thermostat is ... A: Bob, For some reason we never get the full story or history about a heating or cooling unit? I have ...
Floor Furnance Problems	1/12/2009
Q: I have an old floor furnace, back in the early fifties. The old Honeywell Comfort thermostat is ... A: Bob, I have no idea what the controls for your floor furnace are? There are a lot of different types ...
outside unit wiring for central a/c	1/11/2009
Q: i had searched and found where you answered a question about the outside unit not coming on and said ... A: Jimmy, At first when I read your question I assumed you were talking about the low voltage ...
Heater blowing cold air	1/11/2009
Q: the heater was working fine, then the next day turned it to 68 anad cool air was coming out. The ... A: Roz, How dose the cold air come out if the fan is not on? I have no idea what "heater" consists of? ...
outside unit wiring for central a/c	1/11/2009
Q: i had searched and found where you answered a question about the outside unit not coming on and said ... A: Jimmy, The way it works, the person who roughed in the low voltage for your AC unit before the unit ...
Drafts from Central Air Vents and Returns	1/11/2009
Q: Our home is a contemporary ranch-style home with a split heating/colling system (hot water baseboard ... A: Tony, About all I can offer is that all the supply ducts and diffusers and all of the return ducts ...
GMP100-3 Furnace	1/10/2009
Q: my question is that how I will go about to fix the following problem: 1. The thermostate is set to ... A: Tien, When you say "stops well before temperature is reached", What stop's? everything ...
Heating with gas and heat pump	1/10/2009
Q: I live in a two story 3000 square floor house in NC. The upstairs has a heat pump and the bottom ... A: Patricia. You need to get an old utility bill from the summer time when your not heating and see ...
Drafts from Central Air Vents and Returns	1/10/2009
Q: Our home is a contemporary ranch-style home with a split heating/colling system (hot water baseboard ... A: Tony, You didn't give any information about what the "air conditioning unit" is or where it is ...
Heating with gas and heat pump	1/10/2009
Q: I live in a two story 3000 square floor house in NC. The upstairs has a heat pump and the bottom ... A: Patricia, I don't know how your "bottom floor gas heat is installed but if there are return air ...
forced air furnace	1/10/2009
Q: ser.# 411d1.the unit was working fine until this morning, when it would not come on, no fan or ... A: Bill, I'm not sure what your hearing? Originally you said "grinding noise" It's difficult to ...
Main Blower on Heil DC 90	1/9/2009
Q: I know almost nothing about a furnace but have figured out that my smart valve is on the way out - I ... A: Tom, I don't have a manual on your particular make and model furnace but when the thermostat calls ...
Main Blower on Heil DC 90	1/9/2009
Q: I know almost nothing about a furnace but have figured out that my smart valve is on the way out - I ... A: Tom, The way it should work. The thermostat calls for heat. The induced vent draft blower starts. ...
Lennox G40UH(X) is not turning on	1/9/2009
Q: I have a Lennox G40UH(X)located in the attic. I have been consistently using my heater everyday and ... A: Hector, If absolutely nothing is happening, the furnace is dead then I would suspect it's not ...
package unit	1/9/2009
Q: indoor fan is on and off but the gas burners stay on. i installed new fan limit switch and the ... A: Elias, I don't know what your unit type is? age, controls, etc. The fan control whatever type it is ...
RTH221B Honeywell thermostat wiring	1/9/2009
Q: Have a programable thermostat RTH221B Honeywell. The wire used by the old homeowner coming out of ... A: Darren, The type of wire coming out of the wall that you describe is line voltage wire, Your not ...
forced air heater	1/8/2009
Q: I moved into a new office last year. The air conditioning works fine, but the heating is very ... A: Barry, There is nothing that runs by battery on the roof top unit. The thermostat may be timed by ...
Return air vent(s)	1/7/2009
Q: I have discovered in my house 2 return air vents that are not connected to any ductwork. My furnace ... A: Jackie, In a wide open basement the return air opening needs to be at least ten feet away from the ...
forced air heater	1/7/2009
Q: I moved into a new office last year. The air conditioning works fine, but the heating is very ... A: Barry, Take the thermostat wires loose from the R and W posts on the thermostat, Lightly touch the ...
replacing a thermostat	1/7/2009
Q: I am replacing a Mercury thermostat with a Bryant thermostat. This was previously used so has no ... A: Lisa, There are hundreds of thermostats, mercury, Bryant, and many, many other names. There are ...
furnace	1/7/2009
Q: its a comfortmaker high eff it lites buurner goes on for 5 seconds then shuts off after 3 cycles red ... A: Cludio, It sure sounds like the flame sensor? The flame burning onto the flame sensor element ...
Furnace with recurring problem	1/4/2009
Q: I have an Armstrong Ultra SX 80 Propane fired furnace in my home. The home and furnace are both 10 ... A: Gary, I don't have a manual on your induced draft blower for your furnace. The air that blows ...
Williams Wall heaters	1/4/2009
Q: I just replaced the wall heater in my daughters house. I installed a Williams Monterey wall heater ... A: Brad, Is it a 24 volt control system or a millivolt system? Brad, I'm sorry I cut you short! I ...
Bryant furnace problem	1/3/2009
Q: I have a Bryant propane or gas furnace aprox 15 years old or so... I am now smelling propane after ... A: Missy, Get a cup and mix 50-50 liquid detergent and water. Get a small 1" paint brush or something ...
Blower Time Delay	1/2/2009
Q: Is there any reason to have an extended delay, more than 15 seconds between burner ignition and air ... A: Paul, What's a "gui furnace"? Is gui a brand name on furnaces sold in the area where you live? There ...
Carrier 58GP100 - CA gas furnace problem	1/2/2009
Q: I have a 1988 Carrier central unit with a 100,000 BTU gas furnace. Model: 58GP100 – CA ... A: Mansukh, Your furnace has a fan control of some sort that starts and stops the blower, it sounds ...
how can I get a better distribution of heat upstairs?	1/2/2009
Q: I have a two zone forced hot water gas heating system in a 2000 sq ft home built in 1990. The second ... A: Bill, The hot water flowing through the baseboard heat is the same in every room upstairs that is on ...
furnace	1/2/2009
Q: when my furnace reaches temperature the blower clicks on ond off non-stop. If i change the temp it ... A: Kim, The furnace has a fan center, controller, when it's in the heating mode the fan center turns ...
Baseboard (water) heating noise	1/1/2009
Q: This issue seems to be opposite from all other posts I have read. I live on the top (4th) floor of a ... A: Denis, The front cover of the baseboard should come off, it just hooks on top of the hanger and ...
Tempstar DLX 90 Not working - blower?	1/1/2009
Q: We came home last night to a home that was 56 degrees. The furnace would kick on for about 15-20 ... A: jolee, It could be a lot of different things? Furnace have a cycle and a time for doing different ...
Heating costs VS Temp. Control	1/1/2009
Q: 1400 sq. ft. ranch,20 yrs. old, 7 and a half ft. celings, 6 inch walls & well insulated. Oil fired ... A: Jim. If it were me I would leave it set to my comfort leave, some like it cooler at night. Maybe ...
Air vents	1/1/2009
Q: I bought a 2 year old house last year. This is my first real winter experience in the house and I'm ... A: Michael, I have no idea how your heating system is installed, where the furnace, heat pump or ...
Heat Pump Breaker keep tripping	1/1/2009
Q: I have had an annoying problem begin to occur recently that only happens when it gets below 30. The ... A: John, Circuit breakers trip when they over heat. Your electric heating coils draw amp's when they ...
House heating system	12/31/2008
Q: The house is on a concrete slab and I have a gas forced air system with ducts in the floor. I had a ... A: Jack, The furnace get's it's air from inside the house, heats the air and blows it back out. If ...
pane furnace getting code 31	12/31/2008
Q: we keep getting code 31. we have reset it several times my husband cant find anything. it doesnt ... A: Heidi, There should be a legend stuck on the furnace in the control area that tells what the number ...
Can I change the location of return air filter?	12/31/2008
Q: Jim, I have a Lennox Conservator III forced air furnace/air conditioner, Model G16Q4X-75-3, serial ... A: Bob, Basically your return air duct is 24X14 the free air area is 24x14=336 sq, inches of free area. ...
Problems with heat pump/ thermostat?	12/31/2008
Q: Hoping you can help...I have an electric heat pump that has been giving me trouble lately. The ... A: Liz, Thermostats are just switches that turn on and off other switches that make components start, ...
furnace not heating	12/30/2008
Q: My furnace is running but not producing heat. The fan will run whether set to "on" or "off". Just ... A: Jim, I don't know what type of controls your furnace has? Most modern day furnaces have an induced ...
New Air conditioning system producing bad smell	12/30/2008
Q: We installed a new A/C compressor and air handler. Air handler is in attic. We put new duct board, ... A: Donna, There are several different types of duct boards, different manufactures, different types of ...
Payne Furnace	12/30/2008
Q: I have a Payne Furnace M# 395aawo24055. It is at least 20 years old. It has a spark ignition ... A: Craig, Check the furnace wiring diagram that should be stuck on the inside of the blower compartment ...
HVAC Humidifier issue	12/30/2008
Q: I have installed a honey well whole house humidifier on one of my units. Since then I feel that the ... A: Dave, I don't know your humidifier exactly? must be a dozen or so Honeywell humidifies? It sounds ...
Forced air heating	12/30/2008
Q: I have a coleman forced air heater,it quit working a while back. I replace the thermocuple and the ... A: John, Check your gas valve? If your sure that's what's making the noise. I can't imagine what the ...
Payne Furnace	12/30/2008
Q: I have a Payne Furnace M# 395aawo24055. It is at least 20 years old. It has a spark ignition ... A: Craig, The exhaust fan has to run for your furnace to work properly. I don't have a service manual ...
York Heating & Cooling System	12/29/2008
Q: I currently have a York model N2AHD14A06A located in our basement. The unit shuts off and you hear a ... A: Jeni, I don't have a manual for your furnace either nor do I have a library for referencing York ...
Rudd Silhouette II	12/29/2008
Q: The furnace (a Rudd Silhouette II) goes thru startup cycle, comes on normally, then the flame may go ... A: John, As you look into the burner space on your left side opposite side of the igniter there is a ...
Gas Fireplace problem	12/29/2008
Q: We are having a problem with our gas fireplace. The unit runs off a wall mounted thermostat and ... A: Brian, I don't know your fireplace unit? A burner burning natural gas with the proper air mixture ...
Return air	12/29/2008
Q: I have a newly constructed house with just hot water heating system and thru the wall air ... A: Ned, I think your only options are through the wall or through the window AC units, or a complete ...
AC blows hot air ?!?!?	12/29/2008
Q: We were recently away from our house for 6 weeks. So we turned the furnace off at the breaker ... A: Haven, I think what you have is a "Heat Pump" A heat pump is an air conditioner/condensing unit that ...
Return Air	12/29/2008
Q: I reciently visited my dads condo and did some work for him when I went to replace the return air ... A: Pamela, Return air doesn't need to always be ducted. Voids such as spaces above drop ceilings and ...
Rudd Furnace	12/28/2008
Q: due to warm weather, furnace hasn't been on for days. changed filter on it this morning, then ... A: Paul, Every furnace isn't installed exactly the same way or in the same place in a home which makes ...
AC Condensation	12/28/2008
Q: MY 40 year old Cape in NY has central AC and baseboard heat. This is the third winter I have lived ... A: Justin, I really can't follow your description of how the duct runs or what it is exactly? If the ...
AC blows hot air ?!?!?	12/28/2008
Q: We were recently away from our house for 6 weeks. So we turned the furnace off at the breaker ... A: Haven, I don't have a reference library for researching makes and model numbers on all of the ...
Payne gas furnace	12/28/2008
Q: I have a payne as furnace model #PG8DAA that was installed in a home eight years ago when my wife ... A: Bruce, You can reset the furnace by turning the power switch off or the thermostat off for a few ...
Smell from new HVAC unit	12/27/2008
Q: I had a new furnace and AC unit installed($10,000 worth)about 6 weeks ago. Initially, the plastic ... A: Michaela, Keep after the installing company, even if you have to sue. They'll tell you, you voided ...
Lennox furnace venting issue	12/27/2008
Q: I have a 1yr old lennox gas furnace 90+(g43) and the burners light when heat is called for then shut ... A: Jeff, Yes there are specific instructions for exhaust pipes, length, diameter, and bends. I don't ...
Trane Xl-80	12/26/2008
Q: I like to run my fan continuously so the air is constantly recirculated. The fan works fine when ... A: Neil, I don't have a manual that shows the "Trane Xl-80" fan center. When in the heating mode the ...
Furnace won't ignite - buzzing	12/26/2008
Q: Here's the story: Last night my heat was working. However, when we woke up, the heat was not ... A: Darwyn, Furnaces start and run in stages. There are different types of furnaces with different kinds ...
Trane Heatpump	12/19/2008
Q: I am wondering what the temperature should be coming from the vents and If i can check the pressures ... A: Brad, The temperature coming out depends on the temperature going in and what temperature the ...
Armstrong Air Blower motor	12/19/2008
Q: The ECM blower motor was just replaced, and the "cooler" side of the unit works fine, but the "heat" ... A: George, I don't know exactly what works and what doesn't? What I'm getting is that you have a heat ...
Carrier Furncace, nat, gas, downdraft	12/19/2008
Q: Furnace has 2000/2001 build date. Heat only. Unit doesn't operate properly & doesn't light. Induced ... A: Tony, In the heating mode, when the thermostat calls for heat it "initiates" the fan center, the ...
Blower Delay	12/19/2008
Q: I just noticed that my GMH95's heating starting cycle is wrong. The circulator blower is supposed to ... A: Max, When the thermostat calls for heat 24 volts is sent from the thermostat to the fan center, the ...
Coleman Floor Furnace	12/18/2008
Q: We ordinarily heat with wood, so the furnace is just used at night, or while we are not home. It ... A: Gregg, Is your floor furnace AC electric or millivolt? Gregg, Floor furnaces are usually most ...
Outside Unit Shuts Off	12/18/2008
Q: We have a Lennox system that is 5yrs old. The system stopped cooling. After investigating I ... A: Jason, Are you saying that it's a heat pump? Are you saying in the cooling mode the unit outside ...
Carrier Furncace, nat, gas, downdraft	12/18/2008
Q: Furnace has 2000/2001 build date. Heat only. Unit doesn't operate properly & doesn't light. Induced ... A: Tony, I don't have a service manual on your furnace. All circuit boards, error codes etc. are not ...
floor register additions	12/18/2008
Q: how many additional floor registers can I add to my existing single pipe hot water system? I have a ... A: Bob, With hot water heat you can add as much baseboard radiation to a single loop as you want. The ...
boiler heat	12/18/2008
Q: I recently moved into a different home that has boiler baseboard heat. Our area doesn't have natural ... A: Steve, I have hot water baseboard heat,it avereages about $250 a month for the natural gas for the ...
Blower Motor	12/17/2008
Q: Had a flood in my basement, dont think that the blower motor was submerged but it has been effected. ... A: Gary, The motor is held in place with a motor mount. The squirrel cage is held onto the motor shaft ...
Lennox furnace won't start	12/17/2008
Q: Our Lennox mid-efficiency natural gas furnace sometimes (usually during cold weather) does not run ... A: Ian, "What else can I do to figure this out"? "You really need to observe the furnace controls to ...
Tempstar Furnace	12/17/2008
Q: I have a Tempstar furnace. Lately during the heating cycle it would turn on and off several times ... A: Troy, I'm not sure what your furnace type, controls are. "Tempstar Furnace" Just says who made it, ...
Amana inducer blower stuck on?	12/17/2008
Q: My 3 year old Amana is giving me some serious issues. I have had 5 servicemen over now who haven't ... A: Kevin, I don't know what your furnace is? "two stage"? The inducer motor just closes the 24 volt ...
coleman hot air furnace	12/16/2008
Q: I have a coleman furnace model BGU10016A It starts up and runs through it's normal seq. The problem ... A: James, It sounds like your furnace is overheating from not getting enough air flow and the limit ...
AS Freedom 90 R	12/15/2008
Q: I am wondering about the flashing light. When the furnace is heating, it shows 41 green flashes and ... A: Stephen, I think your miss reading the flashes or it's faulty, there should be a legend that tells ...
Lennox furnace won't start	12/15/2008
Q: Our Lennox mid-efficiency natural gas furnace sometimes (usually during cold weather) does not run ... A: Ian, I'm not sure what you mean by "shows that the furnace is "running", when it is not"? Furnaces ...
furnace not pushing air ~ thermostat??	12/15/2008
Q: 18 below in Denver this morning and a fantastic time for the furnace to malfunction! We attempted ... A: Joe, I don't know what type of furnace you have or where in the house it is installed? Type meaning ...
gas furnace	12/14/2008
Q: The burners on my gas furnace, mounted horizontally in the attic, are cutting off too fast. They ... A: Thomas, In the heating mode when the thermostat calls for heat the vent exhaust blower starts, when ...
cold at one end of the house	12/14/2008
Q: I live in a rancher that will not stay heated in the back rooms were we sleep almost like there is a ... A: Steve, If your talking about hot water heat? The boiler heats the water, the hot water run's from ...
old Sears furnace	12/14/2008
Q: My neighbor has called PSE&G 6 times to fix her furnace. It will work fine then just not fire up. ... A: Paul, I don't know what the furnace is? Sears has gone through a lot of different makes of furnaces ...
Furnace Blowing Cold	12/13/2008
Q: Our furnace is blowing cold air, my husband was told that it is a fuse, but he hasn't found what he ... A: Brandi, There are hundreds of different types of furnaces, they all don't function identical, I ...
exhaust smell	12/13/2008
Q: We have a 1900 sq ft house that's relatively open space. Sometimes the house is filled with an ... A: Linda, Check the condensate drain pan that is under the attic unit. There are two drain pans, one ...
exhaust smell	12/12/2008
Q: We have a 1900 sq ft house that's relatively open space. Sometimes the house is filled with an ... A: Linda, I'm not sure what "exhaust smell" refers to? If you have a "working carbon monoxide/gas ...
Heater not working with panel on.	12/12/2008
Q: We have a roof mounted HVAC, it worked ok last year however this year I had to replace the ... A: Keith, Panel to the burner controls, panel to the blower compartment, panel to the electric wire ...
Heating Coils	12/12/2008
Q: I have a question concerning the heating coils in my electric furnace. When the tech. installed the ... A: Brandon, It takes a certain size/capacity to heat an area, the amount of electricity used would be ...
Blower Delay	12/11/2008
Q: I just noticed that my GMH95's heating starting cycle is wrong. The circulator blower is supposed to ... A: Max, You say, "The circulator blower is supposed to start after the burners go on, but it doesn't, ...
york heating unit	12/11/2008
Q: I have a York Diamond 90 Heating unit, its a horizontal flow. The thermostat will turn on the unit ... A: William, It could be the motor, a capacitor, the fan center or a wiring proublem? You need to use an ...
Furnace turns on the off within a few moments	12/11/2008
Q: I have an Amana Air Commander 90 furnace. It runs fine most of the time, but a couple times a day ... A: Calvin, I can't diagnose the problem from your statement that it "will turn on for about a minute ...
Gas forced air heater	12/10/2008
Q: I have a older(18 years) Heil/Quaker Gas heater. The blower on the heater runs all the time now. ... A: Peter, I don't know what the small red plastic pin is? I kind of doubt if the thermodisc is ...
modine heater 105ab	12/10/2008
Q: I have recently been given a modine PA105ab heater the small gas line that runs up front and ... A: Nathan, I don't follow your description of the gas line? I don't have any thing laying around to ...
long-term freon exposure/health problems	12/9/2008
Q: Unbenounced to me, our HVAC man told my husband we have a freon leak, & recommended just refilling ... A: Pat. I don't know of any health proublem's and I have never seen any health warnings on the side of ...
Heating and Cooling Unit	12/9/2008
Q: I have a Janitrol AR49-1 heating and cooling unit that I bought in 2003. Service man has been out 5 ... A: Dale, A heat pump has two sections, One inside and one outside if it's a split system, or both ...
heating	12/9/2008
Q: ..I have a furnace that is at least 20 years old. I had it checked out last winter and it checked ... A: Ronn, What you really need to do is observe the furnace controls compartment and see exactly what ...
not run	12/9/2008
Q: I have a goodman self contained heating and cooling unit.doesnt seem to run,ive checked breakers and ... A: Jeff, Did you ever get any 24 volt power to the thermostat? Thermostats regardless of what they are ...
Tankless Hot Water Problem	12/8/2008
Q: I'm having a problem with my tankless hot water unit. When I run the hot water anywhere in the ... A: Nick, Question is not in my field but it sounds like the heating element is drawing more amps then ...
Zoning/Damper Adjustment	12/8/2008
Q: I have a 4-way multipoise furnace (Carrier) and live in a two story townhouse. In the summer, the ... A: Chris, I don't know what a "4-way multipoise furnace" is? I have no idea what your duct work system ...
Burnham Holiday Gas Boiler	12/7/2008
Q: We moved into this house 4 years ago. I can't seem to locate the filter for this gas boiler. Number ... A: Sheilia, With baseboard heat the hot water flows through a pipe with fins around it inside the base ...
Heat Pump not Defrosting	12/7/2008
Q: I have a Heil Efficientcy 5000 Heat Pump that is about 12 years old. It does not appear to be ... A: Kirt, Heat pumps have a defrost control that allows the unit to defrost periodically, I don't know ...
Moncrief Furnace	12/7/2008
Q: I have a Moncrief furnace model- W-125 Serial # 4. It is a gravity furnace using natural gas. My ... A: Jessica, The heat from the burner needs to travel up into the space/room/area that you want to heat, ...
bard furnace	12/6/2008
Q: Jim i have a bard tsf-80 . 10 years old. on thermostat closure intermittently the induced draft ... A: John, Stick a flame down there at the burner where the igniter is, use one of those butane pistol ...
not run	12/6/2008
Q: I have a goodman self contained heating and cooling unit.doesnt seem to run,ive checked breakers and ... A: Jeff, If your getting 110 to the primary side of the transformer there should be 24 volts to the ...
External Temp Sensor Connection Not Available on New Thermostat	12/6/2008
Q: I have a Lennox Heat Pump w/backup gas furnace. I wanted to install a programmable thermostat and ... A: Doug, My take on all this is why do you even have a heat pump? Where I live it costs "FOUR TIMES" ...
Match the width of the furnace cabinet to the width of the A/C coil cabinet?	12/5/2008
Q: Jim - I'm getting estimates on replacing my gas forced-air furnace with an 80%-efficiency two-stage ... A: Diane, I don't know what your existing furnace is or why your even going to replace it? I don't keep ...
Match the width of the furnace cabinet to the width of the A/C coil cabinet?	12/5/2008
Q: Jim - I'm getting estimates on replacing my gas forced-air furnace with an 80%-efficiency two-stage ... A: Diane, There are all kinds of different furnaces used for different applications. You need to tell ...
Blower will not stop running	12/5/2008
Q: Jim, sorry to keep at this but one more question. I found that I can get a new Blower control board ... A: Kevin, I don't keep service manuals on all the hundreds of furnace makes and models. I have no way ...
Blower will not stop	12/5/2008
Q: I have a carrier super saver 58SSB095 no matter what the position of the thermostat the blower runs ... A: Kevin, At least you have eliminated the thermostat as the problem. The way it works is when power is ...
Water dripping from furnace flue	12/4/2008
Q: This fall I replaced the furnace flue as the old flue was more than 25 years old and had rusted out ... A: Don, There are (call them rules) that need to be followed when installing a "flue pipe". A ...
Blower will not stop	12/4/2008
Q: I have a carrier super saver 58SSB095 no matter what the position of the thermostat the blower runs ... A: Kevin, The thermostat could possibly have a short in the blower circuit workings of the thermostat, ...
Blower will not stop	12/4/2008
Q: I have a carrier super saver 58SSB095 no matter what the position of the thermostat the blower runs ... A: Kevin, Pull the wire connected to the "R" post on the thermostat to see if the blower stops, may be ...
Intertherm gas furnace problem	12/4/2008
Q: Intertherm model M1MB 07A BW. Sometimes but not always when it kicks on it will click several times ... A: John, I can't help you with the aggravation problem but it sounds everything is working except the ...
Heating	12/4/2008
Q: Jim, my furnace (gas forced air) runs for about 5 mins(tell temp is reached) then shuts down, then ... A: Sheri, I think maybe the furnace is older? I think furnaces with standing pilot lights are at least ...
A/C Fan	12/3/2008
Q: I have a Trane central air system its separate from the heating system. The air handler is in the ... A: Rich, With the fan switch on the thermostat in "on" setting the fan runs constantly regardless of ...
gas furnaces	12/3/2008
Q: I have a 15 year old Trane XL 90 furnace, 120,000 btu, gas. 3 days ago the gas would not ignite but ... A: Bruce, Sounds most likely like you need a new "tech" All this changing parts thing, it's hard ...
emergency furnace situation	12/3/2008
Q: I have a senior in the home and was wondering if the furnace could blow up from overheating. The ... A: Bernadette, I don't know what your furnace is but furnaces have a high limit control that would shut ...
Lennox model G24m3/4-100A-11	12/2/2008
Q: furnace will not start up two green lites stay solid,manual means bad control board,it is in hard ... A: Ike, 110/120 volts go to the unit, 110 goes to the blower fan control, inducer relay. and the 24 ...
Compressor Problems	12/2/2008
Q: I recently did a routine maintenance for a 2hp window unit air conditioner in my home. The AC was ... A: Hope, Window units are out of my line but You need to see if the compressor is getting power. If ...
Rheem forced air heat unit not heating	12/2/2008
Q: Unit is about 8 years old, cools but doesn't heat. New thermostat, new plenum, gas lines not ... A: Jim, There are a few different types of igniters that work a bit different. If your igniter lights, ...
Elect. Central H/AC Unit	12/2/2008
Q: Mr Barnhart you are very kind to field my question. Being a women I always fear service people ... A: Lynda, Your fears of service people taking advantage of you are well founded and it has nothing to ...
proper sizsing on a furnace	12/1/2008
Q: I have a house that has only two levels one for living 400 square feet and a lower that is 400 ... A: Michael, About the only thing that you asked about that I can comment on is that the furnace can ...
goodman heat pump wont start	11/30/2008
Q: im getting power to the outside unit but no voltage to the thermosat so its not starting,, ANSWER: ... A: Jeffrey, I don't have a wiring diagram for your unit? The 110 from the power source feeds the 24 ...
belt drive blower	11/30/2008
Q: I have a 110v belt drive motor blower on a Williamson furnace.When the motor starts there is a ... A: Brian, I would prefer a belt drive over a direct drive any time. I don't know what your furnace is ...
goodman heat pump wont start	11/30/2008
Q: im getting power to the outside unit but no voltage to the thermosat so its not starting,, ANSWER: ... A: Jeffrey, With a self contained unit, everything in one unit there are separate electric circuits. ...
Motor hums but doesn't run	11/29/2008
Q: I have a Trane XL1800 A/C unit. We noticed the house was unusually warm following a very heavy rain ... A: Hal. The ccapacitor is a small canister type item connected inline with the electric wire that feeds ...
Condensation on interior of windows	11/28/2008
Q: Jim, I live in central Ontario by Georgian Bay. I just installed a high efficiency gas furnace, new ... A: George, Your house minght be to tight? How high is the high efficency furnace? where dose it get ...
Funny smell coming from ducts	11/28/2008
Q: We have a York 3 ton unit, compressor outside air handler in the garage. It is 9 years old. We ... A: Susan, OK, It would have been interesting to know what or wheare the other end of the pipe drained ...
Motor hums but doesn't run	11/28/2008
Q: I have a Trane XL1800 A/C unit. We noticed the house was unusually warm following a very heavy rain ... A: Hal, Are you saying you have a heat pump? Are you saying that in the cooling mode that the outside ...
Funny smell coming from ducts	11/28/2008
Q: We have a York 3 ton unit, compressor outside air handler in the garage. It is 9 years old. We ... A: Susan, I'm not saying it's the coils. I'm saying it may be from left over condensation water that ...
Draft Induced Fan	11/28/2008
Q: I have a RUUD Silhouette Gas Furnace Model UGDG that was installed about 15 yrs ago. I notice that ... A: Ron, I don't have a book on a "RUUD Silhouette Gas Furnace Model UGDG" for purposes of researching ...
Heil DC 90	11/28/2008
Q: I have a Heil DC 90 model number NUGMO75EGB1. Last year the induce fan broke and needed replaced ... A: Kelly, I can't help with a "service manual" and I don't know of any "problems with the heat ...
Green and Red Lights on Thermostat	11/27/2008
Q: Good Morning Jim, I live in a condo building and have an 8 yr old Carrier HVAC #FB4ANF024 that is ... A: Michael, I don't know your thermostat? I don't have a user manual on a "Carrier HVAC #FB4ANF024" and ...
Funny smell coming from ducts	11/27/2008
Q: We have a York 3 ton unit, compressor outside air handler in the garage. It is 9 years old. We ... A: Susan, You can't get any smell from the outside unit to the inside unit. Check the condensation drip ...
Keep Rite DC80	11/27/2008
Q: I have a Keeprite DC80 furnace, I bought it from a direct dist. off the internet about 3 yrs ago, ... A: Mike, I don't have a reference library for looking up and researching all the thousands of makes and ...
gas hot air heater	11/26/2008
Q: I have a Payne gas hot air heater. When heat is called for the exhaust blower starts for 15 seconds ... A: Fran, If the exhaust blower doesn't run the pressure switch won't close and no power will go to the ...
thermostate	11/26/2008
Q: we need a diagram for our thermostat for a 220 fridiare ac and heating unit thank you need asap if ... A: Paula, Most likely pasted on the inside of the blower compartment door/cover you can find a wiring ...
Gas Furnace with only air-no heating!	11/25/2008
Q: Been looking in several places and came up with the fact that my clogged filter led to either a ... A: Mark, When the temperature in a furnace but outside of the heat exchanger gets to around 200 degrees ...
gas furnace Janitrol gmp075-03	11/25/2008
Q: the inducer motor won't come on, so nothing works. I ran a direct wire to the inducer and also ... A: Terry, There should be a wiring diagram for your furnace pasted on the inside of your blower ...
Gas Furnace	11/24/2008
Q: Sir, my gas furnace has recently started making a "foom" sound. During the heat cycle, while the ... A: Jerry, When your burner burns, the fumes from the flame go somewhere, the burner get's air for ...
Gas Furnace "blowback"	11/24/2008
Q: Sir, my gas furnace has recently started making a "foom" sound. During the heat cycle, while the ... A: Jerry, It's called "delayed ignition", the gas flows out and something lights it, the problem is ...
Gas Furnace with only air-no heating!	11/24/2008
Q: Been looking in several places and came up with the fact that my clogged filter led to either a ... A: Mark You do need a clean filter to keep the furnace burning properly and to keep it from over ...
Hot water heat exchanger fan control	11/24/2008
Q: I have a hot water heat exchanger with a fan that runs off of my boiler to heat a family room in the ... A: Mark, You can get a fan control that is timed controlled with a relay. There are several different ...
heat zone down	11/22/2008
Q: Teledyne-laars mini combo over 10 years old. In basement. Upstairs zone worked a few weeks ago ... A: Ray, What's a "Teledyne-laars mini combo"? If this is a hot water heat system with an air lock you ...
brazing on a charged HVAC unit	11/22/2008
Q: What concerns should I have when brazing on a unit that has been charged and then had its ... A: Ted, Sorry I can't help, it's news to me? Follow-up Ted, I got this off of the internet. Freon in ...
Heat pump zone control dampers stuck open	11/22/2008
Q: I live in a three level townhouse with zone control, the top floor is one zone, the two lower floors ... A: Craig Not knowing exactly what your heating on floor one, two, and three and what size all the ...
emergency hot water heater	11/21/2008
Q: I bought a new water heater in 1994 after an earthquake. Water is leaking from 1994 flex tube ... A: P, Most all hot water heater connector pipes are flexible these days not so much for earthquakes ...
Furnace Not Working	11/21/2008
Q: Attempted to turn gas furnace for 1st time today for the season, I'm concerned of water pipes ... A: Keven, I don't know any thing about furnaces that are installed on there side? Maybe it's an all ...
Heat Pump	11/21/2008
Q: I have a Trane heat pump. when the AC is on the condenser fan blows normally. When I switch to heat ... A: Bill, When the thermostat is in the cooling mode the reversing valve is set for the proper flow, ...
RUDD FURNACE NOT WORKING	11/21/2008
Q: I HAVE A RUDD SILHOUETTE II MOD# UGPH-07EAUER CAN TURN ON HEAT IT WILL COME ON GET TO THE RIGHT ... A: Tom, The only chance I have of diagnosing a furnace problem over the Internet is to know exactly ...
Heat Pump	11/21/2008
Q: I have a Trane heat pump. when the AC is on the condenser fan blows normally. When I switch to heat ... A: Bill, Sorry no Idea? When the contactor pulls in the compressor and the condenser fan should both ...
Furnace Blower Motor	11/20/2008
Q: I have an old Williamson Deluxe forced air furnace. Within the last month my blower motor won't ... A: Jason, A belt drive blower! that is an old one. You can try getting some oil down the motor shaft, ...
Heating Ducts	11/20/2008
Q: Recently purchased a foreclosure home that needed new Heat/AC unit. I had a couple of contractors ... A: Linda, There are duct's and there are duct's! What kind do you have? Ducts with insulation that rust ...
Goodman Furnace, gas valve wont open	11/19/2008
Q: This gas valve is not opening thought he electric coil is heating up. There seems to be not current ... A: Joseph, What's your furnace? Efficiency, Age? If you have electronic ignition and vent exhaust ...
Gas Baseboard Heat - 4 Zones - 1 not working	11/19/2008
Q: ..so how could verification REALLY happen). Anyway, now that it is cold, we have tried turning up ... A: Suzanne, Are you talking about a furnace or a boiler? If your talking a hot water boiler with ...
Faulty System?	11/19/2008
Q: Just moved into a brand new home in August 2005. Have a Janitrol Heating System and a year later it ... A: Angelise, "Janitrol" is just a brand name, "Heating System" can refer to a lot of different way's to ...
2 residential system balance issues	11/18/2008
Q: I have a full dual system, 2 of each. The upstairs has all registers in the ceiling with flexi insul ... A: Richard, I don't know what your houses floor plan is up and down but I'm assuming that there is a ...
rheem gas pack	11/18/2008
Q: do you know if the rheem gaspack heat exchanger is warranted for 20 years? A: Cindy, I don't know what your particular heat exchanger is warranted for? The problem is even if the ...
frigidare furnance error code	11/17/2008
Q: installed new frigidare furnace single stage. I am getting an error code of "false flame gas relay ... A: celine nesjan, I don't know what " furnace ignites,runs to temperature then the blower assembly does ...
FILTERS	11/17/2008
Q: IS IT ABSOLUTELY NECESSARY TO HAVE A FILTER IN WHILE RUNNING THE AIR CONDITIONER? A: Sandy, You can run the air conditioner without a filter being in the unit for as long as it takes ...
Goodman gas furnace will not ignite	11/17/2008
Q: Goodman GMP100-3 Approx 13 years old Attempting to turn on furnace for first time this season. ... A: Jason, If everything is working except the igniter is not glowing and lighting the gas then it must ...
bryant heat and air unit	11/17/2008
Q: I RECENTLY REPLACED THE BURNERS IN MY UPSTREAM CENTRAL HEAT AND AIR UNIT. I PLUGGED THE UNIT BACK ... A: Harry, Did your "HEAT AND AIR UNIT" work before you fixed it? I don't know what your "unit" is, or ...
Janitrol GMP125-4 Furnace not running full cycle	11/16/2008
Q: My Janitrol 125-4 furnace will only start when I reset the thermostat. And then it will only run for ... A: Kevin, If the igniter glowes but the burner dosen't light your igniter may need to be positioned ...
Pennco Gas Home heating boiler modal 15B	11/16/2008
Q: I recently purchased the above boiler from Sears. I am having a problem with gas build up and ... A: Rich, I don't know your boiler? What your boiler is having is delayed ignition, too much gas gets ...
HVAC media filter install	11/16/2008
Q: I had an HVAC contractor check my system recently. After checking my ducts he recommended a cleaning ... A: Mario, Save your money! The guy's trying to rip you off. I don't know what your system is "two ...
Janitrol GMP125-4 Furnace not running full cycle	11/16/2008
Q: My Janitrol 125-4 furnace will only start when I reset the thermostat. And then it will only run for ... A: Kevin, I'm not sure what your furnace is exactly, there are hundreds of never ending model numbers ...
Weatherking	11/16/2008
Q: Moved into house built in 1974 last Feb. Handyman put in a "sequencer" & Weatherking furnace (model ... A: Holly, I don't know your furnace? There are a lot of different types of fan switches controls used ...
Furnace not shutting off	11/15/2008
Q: I have a Fraser-Johnston Gas Furnace. The furnace will ignite and turn on and when at thermostat ... A: Troy, I still don't know what type of furnace it is or where it's located? Example: Up flow in the ...
Burner Cycling	11/15/2008
Q: After a recent repair (Armstrong Gas Furnace diaphram switch replacement), I listen more closely and ... A: Lee, OK what your calling "diaphragm switch" is the induced vent draft "pressure switch". I would ...
Weatherking	11/15/2008
Q: Moved into house built in 1974 last Feb. Handyman put in a "sequencer" & Weatherking furnace (model ... A: Holly, First: Handyman put in a "sequencer", What dose that mean? What or where is this "reset ...
Burner Cycling	11/14/2008
Q: After a recent repair (Armstrong Gas Furnace diaphram switch replacement), I listen more closely and ... A: Lee, What is a "Gas Furnace diaphram switch"? How long dose the gas burner stay on before it "cuts ...
boiler	11/14/2008
Q: here it goes I have a boiler almost 16 years old its a peerless forced hot water tankless. it ... A: Rocky, Your aquastat should be set for about 10-12 psi. cold water and about 180 degrees ...
Heating and cooling unit blows out heat when ac is on	11/14/2008
Q: We have recently had a cold front and have been using the heat only.One day it got a little warm in ... A: Clarissa, Maybe a shorted low voltage wire somewheare along the line? Maybe a stuck or faulty ...
induced draft blower...low temperture problems	11/13/2008
Q: Expert: Bill Brainard Date: 9/9/2008 Subject: Armstrong Furnace Question Hi Jim, I am contining to ... A: Jim, I don't keep reference material for researching makes and model numbers on equipment and ...
Goodman gas furnace will not ignite	11/13/2008
Q: Goodman GMP100-3 Approx 13 years old Attempting to turn on furnace for first time this season. ... A: Jason, Are you getting 24 volts through the pressure switch when the blower is running normal? You ...
Rheem Furnace Not Ignitiing	11/13/2008
Q: In the past 5 years I have had to install a new gas valve (pilotless ignition with remote flame ... A: Jeremy, If you are hearing a click and the gas comes on for just a second but doesn't light it may ...
Heating/AirConditioning Systems	11/13/2008
Q: Our furnace, installed in our house in 1967, has finally died. We have met with two contractors to ... A: Judy, If your existing furnace says 96,000 Bonnet cap, that means that you need at least a 100,000 ...
New HVAC unit	11/12/2008
Q: I am in the middle of a remodel. 1200 sq ft house, adding 250 sq ft on to "master" bedroom to make ... A: Stephanie, I assumed you were getting the bids? If you a general contractor and they are hiring the ...
annual freon leak	11/12/2008
Q: I had a Rheem heat pump installed in 2003. Except for maybe 2004, I've had to make at least one ... A: Trish, Depending on what your service contract says? Service contracts are interpreted in different ...
Furnace turns on when I use microwave	11/12/2008
Q: I have a Coleman furnace for a mobile home. It turns on when I use my Panasonic microwave. It just ... A: B.J., If your saying the furnace blower only turns on when you use the microwave? Some blowers are ...
Goodman gas furnace will not ignite	11/12/2008
Q: Goodman GMP100-3 Approx 13 years old Attempting to turn on furnace for first time this season. ... A: Jason, In the opposite side of the burner compartment away from the igniter there is a flame sensor. ...
Heating/AirConditioning Systems	11/12/2008
Q: Our furnace, installed in our house in 1967, has finally died. We have met with two contractors to ... A: Judy, What size is your dead furnace? Check the rating plate/sticker on the old furnace for BTU ...
New HVAC unit	11/12/2008
Q: I am in the middle of a remodel. 1200 sq ft house, adding 250 sq ft on to "master" bedroom to make ... A: Stephanie, As far as I know "Day & Night name was discontinued years ago? With a "Packaged unit" ...
American Standard Freedom 80	11/11/2008
Q: I have a Freedom 80 model number ADD080C936F0. I am getting a 3 blinking light alert. I'm ... A: John, The three flashes of the LED are telling you which area the problem is in. There should be a ...
Rheem Heat Pump	11/11/2008
Q: When my heat is on the unit outside must work correct? Well, last year I did not know this so my ... A: Corey, I'm not sure exactly what your heat pump is doing. With a heat pump system all electric, this ...
hvac for freestanding workshop	11/10/2008
Q: I am converting a 20 x 14 potting shed into a craft studio. I'm adding insulation and vinyl siding ... A: lucille, If you don't need a lot of heat you probably can get by with a through the wall or through ...
Furnace pilot won't stay lit	11/10/2008
Q: Furnace is Fedders Flexaire II probably 36 yrs old. Pilot went out overnight and repeated attempts ... A: Jay, I don't know exactly what your furnace control setup is? Electronic ignition for the pilot is ...
1978 whirlpool furnace	11/10/2008
Q: When i go to light my pilot light i have to hold the button in for at least 2 to 3 minutes for the ... A: Tammie, Your pilot is probably being sucked out when the burner cycles on and off. When your ...
Furnace pilot won't stay lit	11/10/2008
Q: Furnace is Fedders Flexaire II probably 36 yrs old. Pilot went out overnight and repeated attempts ... A: Jay, If the pilot flame engulfs the element on the thermocouple. If the new thermocouple isn't ...
What is WATCHGUARD mode?	11/9/2008
Q: I have an americanaire natural gas furnace made by concord. the model# is RGH80A100D20-2A My problem ... A: Jody, "Watchguard" is a new one on me? sounds like something you spray on fabric? I don't know who ...
Fedders Gas Furnace pilot won't stay lit	11/9/2008
Q: Furnace is Fedders Flexaire II probably 36 yrs old. Pilot went out overnight and repeated attempts ... A: Jay, I don't know where you live or what stores you have access to? If your around a Lowes or a Home ...
fan,limit controls hook-up	11/9/2008
Q: I have replaced my hot air furnace with a newer used one and I'm replacing the limit control.I ... A: Randy, I don't know what type of "limit control" your "limit control" is? Are you sure it's not a ...
Direct vent wall mount heater pilot light blows out	11/9/2008
Q: I have a Schwank Perfection gas(propane)direct vent wall mount furnace, mounted on a west wall. The ... A: B, I'm not familiar with the "Schwank" brand. With a through the wall vent the fumes vent out and ...
Price of new unit and coil	11/8/2008
Q: Have quote from a contractor for a Goodman 3 ton heating pump and Mortex 3 ton coil. Adapt to ... A: Brad, The big thing is Which unit are they replacing? Or is it everything? If the quote is for ...
Price of new unit and coil	11/8/2008
Q: Have quote from a contractor for a Goodman 3 ton heating pump and Mortex 3 ton coil. Adapt to ... A: Brad. I don't know what the quote is for? If you have a split system the outside unit is the heat ...
Water Leaking from AC	11/8/2008
Q: Water Leaking from Air Conditioner ... A: Kathy, I don't know what your unit is but when your running the air conditioner the condensation ...
Weil Mclain boiler P 368 WT	11/8/2008
Q: We have a Weil Mclain boiler P 368 WT It does not make enough hot water to take a bath, and the ... A: Ken, Sorry I don't have the expertise to answer about domestic side arm water heaters. Your best bet ...
Maytag 5 ton gaspack	11/7/2008
Q: I have a 2 year old Maytag gaspack and a 10 yr. old Honeywell 7-day (5+2) programmable t'stat. The ... A: Larry, You need to see what your fan switch is? some are setteable and some are factory set. You can ...
New HVAC	11/7/2008
Q: Need advice. Need to replace heating and air system for 1900sq/ft ranch with finished basement in ... A: Steve, You have to check the utility company where you live, gas or electric is a supply and demand ...
Rheem Classic 90 RGRA Furnace	11/7/2008
Q: Our furnace is not putting out enough hot air and my husband thinks the outside of the heat ... A: Shelly, I can't think of anything that might stick to the outside of a heat exchanger? I think your ...
BEST OVERALL CENTRAL AIR FOR THE MONEY	11/6/2008
Q: My home is about 1700 sq ft. One floor. The air cond system will go over head in the garage. I have ... A: Warren, I don't really know what your looking at? Gas, electric, oil, heat pump, heat and cooling, ...
Forced-Air Heater fan won't turn off(Holly brand)	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, I'm not sure what the fan switch is that's on your furnace? The summer switch is a switch that ...
Puron odor from new Carrier heat pump	11/6/2008
Q: I have no doubt that the odor in my house is from my new Carrier heat pump and that it must be the ... A: Linda, Unless there is a leak somewhere in the systems flow of refrigeration in which case after a ...
Wrong Blower	11/5/2008
Q: 10 years after installation of a complete carrier A/C system, we found out that our installer put a ... A: Debbie, I think the bad guy is the one who is telling you that you only have a one speed blower and ...
air condition for sunroom	11/5/2008
Q: We are building a sunroom size 15 X 9.5 feet. The north, south, and west walls have windows almost ... A: Rachel, Will the sunroom be closed from the rest of the house? Will there be window coverings on the ...
central heat problem	11/4/2008
Q: I'll follow instructions on my central ac/heat unit by turning down thermostat to lowest ... A: Randy, When something is working there isn't a point of failure. If your furnace has an LED light ...
Return line on split system frosting up	11/4/2008
Q: Hey, This it the first time i've noticed frost/ice buildup on the return (larger) pipe to the ... A: The "bolt" is subject to frosting if it isn't covered/insulated, wrap a chunk of insulating material ...
furnace	11/4/2008
Q: We have a house that was built in the 1940's. There is a Challenger floor heater that is from the ... A: Chris, The pilot rod turns the gas on to the pilot light. The burner rod turns the gas onto the ...
central heat problem	11/4/2008
Q: I'll follow instructions on my central ac/heat unit by turning down thermostat to lowest ... A: Randy, When your thermostat calls for heat, first the vent exhaust blower comes on, next the igniter ...
GAS FIRED FORCED AIR FURNACE	11/4/2008
Q: HVAC guy came out today and he told us that our automatic gas control valve is not operation ... A: Jason, I don't know what your calling an "automatic gas control valve" but There isn't any kind or ...
Hot water heater	11/3/2008
Q: Don't know if you want to tackle this but I thought I'd give it a try. I am renting a practically ... A: Vivian, I don't know your water heater? it's all Greek to me. If you were in the USA with this water ...
gas heat	11/3/2008
Q: I have a 20 year old 3 zone base bord enerjet gas furnace. The problem that I am having is when all ... A: Nick, I don't know "enerjet"? It's not in my area at least not by that name. Your saying a "gas ...
furnace replacement	11/2/2008
Q: We have had six estimates to replace a 30+ yr old unit with a new 80% efficient model. We feel we ... A: Susan, Your existing furnace is an 80% efficient furnace. A 100,000 BTU input with an 80,000 BTU ...
furnace replacement	11/2/2008
Q: We have had six estimates to replace a 30+ yr old unit with a new 80% efficient model. We feel we ... A: Susan, The best barometer for choosing a BTU capacity is your existing furnace. Check the rating ...
Amana Air Command 90 furnace	11/1/2008
Q: My blower motor runs but the furnace won't light. I have replaced the ignitor. The troubleshooting ... A: Mike, When the vent draft inducer blower comes on it blows air pressure into a switch and closes the ...
runs on emergency heat	11/1/2008
Q: What would cause a heat pump to run on emergency heat all the time. The guy who looked at unit said ... A: bobh347, A heat pump is just an air conditioner that reverses the flow depending on the thermostat ...
heat wont kick off	11/1/2008
Q: our heat pump ran last night all night without kicking off. this morning i put it on emergency heat ... A: David, I assume your heating or trying to heat with electric instead of gas or oil or something ...
Goodman gas pack pgb036100-1a	11/1/2008
Q: This heater wont ignite, the circuit board led blinks twice which according to the sticker nearby ... A: Lee, Anything is possible? I don't have a manual on your unit, When the thermostat calls for heat ...
Furnace works intermittently	10/31/2008
Q: I have 1995 HSI gas furnace (can't find make or model anywhere). Won't work. The exhaust fan comes ... A: Nikos, When the igniter glows hot the gas should flow, If the burner doesn't light in about one ...
coleman gas hot air furnace/starting up problem	10/31/2008
Q: I have a coleman hot air furnace and on out of about 30 starts. the unit wont start even when the ... A: Jim, The vent motor runs on 115 volts, the thermostat sends power to a relay, I don't know on your ...
coleman gas hot air furnace/starting up problem	10/31/2008
Q: I have a coleman hot air furnace and on out of about 30 starts. the unit wont start even when the ... A: Jim, When the thermostat calls for heat the first thing that happens is that the vent blower comes ...
cold air returns	10/30/2008
Q: are cold air returns needed with a 96% efficient furnace that draws air from outside. A: Jeff, A cold air/return air is where the furnace gets it's air supply that it blows out through the ...
Freedom 90 Open High Limit	10/30/2008
Q: I have an American Standard Freedom 90 furnace Model ADC100C948B6. I have had a repair men out and ... A: Michael, First, What is "code 4"? If your LED is flashing 4 flashes what dose the legend on your ...
Furnace Water Pressure	10/30/2008
Q: I have a hotwater baseboard heat furnace. In the past I have noticed the water pressure to be ... A: Dave, The water pressure should be about 10 when the boiler is cold. The pressure should go to about ...
Rheem gas furnace burner ignites but blower does not come on	10/30/2008
Q: I have a circa 1980 Rheem gas furnace (RGAC-080C). When the thermostat calls for heat, the burner ... A: Tim, It sounds like a bad motor or a capacitor? You need to stick an electrical tester onto the ...
Trane Unit repair	10/30/2008
Q: I have a 1993 Trane outside heat/ac unit that has been diagnosed with cracks in the heat exchanger. ... A: Justyna, Diagnosing a heating unit and saying it has a cracked heat exchanger is a favaroit thing ...
Adding a Zone on a single zone boiler	10/30/2008
Q: I have a Weil-Mclain Boiler model HE-3 with a single zone set up in it now. My second floor rooms ... A: Dave, Your second floor zone needs to originate at the boiler and return to the boiler, a loop with ...
control board for heating unit	10/29/2008
Q: I was told my control board was damaged. my control board got water on it and looks like the pan is ... A: Deanna, There are lot's of different "control board's" you can probably find you're on the Internet? ...
Furnace Water Pressure	10/29/2008
Q: I have a hotwater baseboard heat furnace. In the past I have noticed the water pressure to be ... A: Dave, The pressure should be around 15-20 psi. The pressure relief may let some water off at 31-32? ...
HVAC Coils	10/28/2008
Q: Last spring, the coil needed to be replaced in our upstairs HVAC unit, as the old coils (only 1 year ... A: Lauren, I don't know how your cooling coil is situated in your unit? I don't know where in the house ...
heat pump doesn't shut off	10/28/2008
Q: i have a york infinity 8T heat pump and an aprilaire 6404 dual zone controller. we have no problems ... A: Joshua, The thermostat when it calls for heat connects the necessary wires that send power to a ...
new air system	10/27/2008
Q: I just bought a 23-year-old all-electric condo, and am experiencing weird odors -- some metallic, ... A: Deborah, There is no connection air wise between the inside air handler unit and the outside heat ...
Janitrol heating system	10/26/2008
Q: I am renting and have a Janitrol heater. The model number is GDI075-3. The landlords had 14X20x1 ... A: Gina, Every furnace has a place or way of installing a filter in the blower compartment. The idea is ...
Furnace Does not work	10/26/2008
Q: 1. I am working on a 40 year old furnace. The gas valve is Detroit Controls Model V579EL Series ... A: Nana, Try-http://www.grainger.com/Grainger/categories/hvacr/controls/gas-valves Look at the 3/4" ...
Furnace Does not work	10/25/2008
Q: 1. I am working on a 40 year old furnace. The gas valve is Detroit Controls Model V579EL Series ... A: Nana, Your best bet for finding parts is to surf the web. When I need something I buy or order ...
split system install issues	10/25/2008
Q: New system installed 5/08. can condenser installed 10" from exterior wall, cause excess noise when ... A: Debra, A drain pan is just a drain pan. water runs down hill, the condensate water produced by your ...
not getting hot air	10/25/2008
Q: the heating turns on and pumps but the air that come from the vents is like a lil chilly, its not ... A: eli, What is it? gas, electric, oil, coal, heat pump? How olds is old? 10, 20, 30, 40 or more years ...
Boiler installation problems?	10/24/2008
Q: I had a new gas Olsen boiler ( OMGB100) in the end of Jan 2007. Ever since then I have been having ... A: Gail, It sounds like you have a ton of problems? I don't know about how they do things in Ontario? I ...
Empire wall furnace	10/24/2008
Q: I have an empire wall furnace (propane) I got from my dad out of his cabin for my garage. It has a ... A: Chad, I don't know what your "wall furnace" controls are exactly? The pilot doesn't need AC ...
Furnace won't light	10/23/2008
Q: I have a furnace that was installed in a home built 2003-2004, it is an Air Ease, Ultra V, Tech 80, ... A: Derek, The blower that comes on first is the vent exhaust, the blower when it runs closes a ...
Pilot Goes Out	10/23/2008
Q: Jim, we have an approximately 34 yr. old Lear Segler LP gas furnace in a modular home. No basement ... A: Jon, What about the "draft Diverter" Is it as it should be or has it been blocked or altered? Where ...
fireplace heating	10/23/2008
Q: What is the most efficient way to heat a house with a fireplace? I am trying to at least heat 3 ... A: Eileen, To move air there has to be an inlet and an outlet, warm air naturally rises and cold air ...
Garage heater won't light	10/22/2008
Q: I have a Mr. Heater natural gas garage hetear that I installed last year. It worked great for about ... A: Rob, I don't know what your "garage heater" is? In my area I don't belive we have a "Mr. Heater", ...
Heating question	10/22/2008
Q: First of all please forgive my lack of knowledge in this issue. I will try to explain in the best ... A: Steven, When your thermostat calls for heat the first thing that should happen is the vent exhaust ...
baseboard heating	10/21/2008
Q: were considering purchaseing an 1800 sq foot home with baseboard heating ive always had gas forced ... A: Carrie, Baseboard heating" is heat that comes from some type of apparatus installed along the ...
sooty boiler exhaust	10/21/2008
Q: I have noticed in recent weeks that the exhaust from my boiler, which is in my garage, has become ... A: Dana, I don't know exactly what you mean by "exhaust" or what your boiler is. Soot is from not ...
HVAC size requirement	10/21/2008
Q: You have quite an extensive history in this area. I am going to have a 660 square foot extension ... A: Richard, With out doing a heat gain calculation rule of thumb prevails, of course there are factors ...
gmc home heat and air unit	10/21/2008
Q: My blower fan kicks off and on every minute. Even when I override the fan via tstat. I checked the ... A: Sam, Maybe a bad motor overheating and shutting off on a thermal overload, cooling and starting, ...
Carrier 58GS Ignition Problem	10/21/2008
Q: My Carrier furnace in basement will not come on, I have gotten the intermittent pilot to ignite but ... A: Michael, There are many different types of ignition controls. When your thermostat calls for heat ...
Heating	10/20/2008
Q: I turned my heating part of my unit on a couple of days ago (via the thermostat) and it was working ... A: Jason, You need to tell me what your unit is? gas heat, electric heat, heat pump? You need to tell ...
intake switch	10/20/2008
Q: We are getting an error 31 on our furnace. the furnace won't turn on. the company is telling me ... A: Marcy, I'm sure there is a lot of information I'm not getting? Is there some history? Where in the ...
electric heat & AC	10/20/2008
Q: We purchased a home with electric heat and ac. We've never had ac before and were curious if the ac ... A: Lisa, I suspect that what you have is a "Heat Pump"? A heat pump is an air conditioning unit cools ...
Furnace Filter	10/20/2008
Q: I have an Air Ease Ultra SX 80 furnace & I have no idea where the filter is located. Can you help? A: Cory, Every furnace has a means of installing a filter in the blower compartment of a furnace where ...
Heating	10/20/2008
Q: I turned my heating part of my unit on a couple of days ago (via the thermostat) and it was working ... A: Jason, What puzzles me is why "The unit kicked on outside"? If the thermostat is in heating mode and ...
Carrier 58GS Ignition Problem	10/19/2008
Q: My Carrier furnace in basement will not come on, I have gotten the intermittent pilot to ignite but ... A: Michael, I don't know what your furnace has for controls? I can't access furnace model numbers. Dose ...
Furnace is funky	10/19/2008
Q: Many thanks for your helping the masses. I have a friend, a teacher, divorce mother of 3 who has ... A: Mike, The thermostat is just a switch that opens and closes the gas valve. The wires on the ...
furnace help	10/18/2008
Q: Jim, My furnace wouldn't light so I was told to buy a new ignitor. I replaced the ignitor and I ... A: Carol, "The fault button" LED blinking light should be blinking a code. One blink in succession ...
"wireless thermostat control system"	10/18/2008
Q: I'm back with another question. Yeah, the wires from the packaged HVAC unit up on the roof to the ... A: Nolan, I don't have any experience with wireless thermostats, they came along after my time. When I ...
gas vs electric	10/17/2008
Q: My gas furnace died @ 20+ yrs. I know it needed replaced! My question is do I want to put in ... A: Dawn, I don't know of any places states, cites, towns, or counties where you can heat cheaper with ...
best way to heat&cool a sunroom	10/16/2008
Q: We are reworking a amsll sunroom (10'x12') to use year round. We want to use it as a small family ... A: Jan, Through the wall/window units that heat and cool are called heat pumps. A heat pump is an air ...
fan on a/c unit	10/16/2008
Q: We are sorry, but Joseph Lillie wasn't able to answer yourWhat are the advantages and disadvantages ... A: Nina, The advantages are just to circulate the air in the house for some reason, I have no idea ...
best way to heat&cool a sunroom	10/16/2008
Q: We are reworking a amsll sunroom (10'x12') to use year round. We want to use it as a small family ... A: Jan, If your working on the premises of 120 square foot room the room needs to have a door that ...
Return vents	10/16/2008
Q: Jim, we recently bought a older house (1930's-40s). At some point, a room that is approx. 600sf was ... A: Ben I would close the high return in the winter so that it doesn't pull the heat up to the ceiling ...
American Standard Freedom 90 intermitent ignition	10/16/2008
Q: Good morning Jim, American Standard Freedom 90 unit installed 4/2004 - last serviced? 8/2005. ... A: Dave, Eliminating the thermostat proves that the thermostat is or isn't the problem. If your exhaust ...
American Standard Freedom 90 intermitent ignition	10/15/2008
Q: Good morning Jim, American Standard Freedom 90 unit installed 4/2004 - last serviced? 8/2005. ... A: Dave, Let me try another way, starting at the beginning, Electric power is fed to a 24 volt ...
American Standard Freedom 90 intermitent ignition	10/15/2008
Q: Good morning Jim, American Standard Freedom 90 unit installed 4/2004 - last serviced? 8/2005. ... A: Dave, Sounds like your exhaust blower power is being intercepted, first thing that happens when your ...
forced hot water heating sysytem	10/14/2008
Q: Is it possible to install a supplemental tank to draw water for a forced heating system if the city ... A: Don, I suppose you could install a water supply tank that would feed the boiler if it lost water? ...
nat gas furnace	10/14/2008
Q: I have finished the basement in my home, insulated walls and installed new efficeient windows. ... A: Mike, Unless you have two separate systems, furnaces and ducts then the air blowing out both ...
a/c vent in two bedrooms leak when it rains	10/14/2008
Q: I have a 2004(Homes of Merit) manufactured home 1680 sq ft. where I live in sunny Florida. This ... A: Melissa, I'm not sure what you have there? Where I'm from a manufactured home is a prefabricated ...
Closed baseboard heating unit.	10/14/2008
Q: I recently went into my basement and found out that my circulating pump (B & G series 100) was ... A: Norvin, I have no idea how your hot water boiler is piped? The way a boiler is piped and what type ...
Ruud UGLQ Achiever downflow furnace	10/13/2008
Q: Do you know where the filter is - is there a rack? A: Don: There is a place for a filter on top of a down-flow furnace. You need to take the front access ...
Rheem furnace ignition	10/13/2008
Q: I have a rheem super quite 80 gas system I started it up recently for the heating season and it ... A: t, sounds like the spark igniter isn't sparking? I assume that the gas you hear is the pilot gas? ...
Rheem furnace ignition	10/13/2008
Q: I have a rheem super quite 80 gas system I started it up recently for the heating season and it ... A: "t", What dose "appears to go through all the cycles" mean? When your thermostat calls for heat the ...
1991 Carrier 58SXA060-GG Series100	10/13/2008
Q: I asked a question back in April of 08 about a flame out problem with my furnace. It seemed to ... A: Rick, I don't have a user manual for a "1991 Carrier 58SXA060-GG Series100" everything works in a ...
can i repalce a goodman furnance heat exchanger?	10/13/2008
Q: i have a 13 yr. old goodman furnance. the tech that came over to do a tuneup said the heat exchanger ... A: Ernie, I don't know your capabilities? First make sure there are cracks not just scratches? If ...
upgrade to a bigger fan	10/12/2008
Q: I have an Ultra 90 unit intalled on my second floor but it seems like the blower is not strong ... A: Rhoel, If your "affected area" is as big as a gymnasium and your "Ultra 90 unit is as small as a ...
Oil Heating	10/12/2008
Q: I've been told by some contractors that b-vent does not meet local codes for an oil heater.I have an ... A: Jean, Oil burns at a hotter temperature then gas, "B" vents have an aluminum inner liner that is OK ...
duct cleaning	10/12/2008
Q: Today we had our ducts cleaned for the first time. Our central air unit was installed five years ... A: Eric, I don't know that there is any written in stone rule that you have to cut any holes in ducts ...
gas furnace cycling time	10/11/2008
Q: I recently bought a house with an American Standard two stage gas furnace (maybe mid 90's vintage). ... A: Lance, When you set your thermostat to a temperature such as 66 the furnace can't start and go off ...
a/c compressor	10/11/2008
Q: My compressor unit (outside) was replaced 6 yrs ago. It stopped working a month ago and I have 3 ... A: Maria, I don't know exactly what your units are but the outside unit is your main air conditioner ...
Air conditioning	10/11/2008
Q: My home has two AC units that are almost two years old which cool opposite ends of my home. On one ... A: Kristy, I think you hit the nail on the head. "AC units" are insulated on the inside of the units ...
ductwork	10/10/2008
Q: We discovered a leak in ceiling and found it was a lot of condensation in the insulation. Also ... A: Rosemary, What are "the galvanized steel ducts" for? heating, cooling, both. What else is in the ...
HVAC quote from 2 companies	10/10/2008
Q: I received two quotes for two different companies that are a couple of thousand dollars apart for ... A: Howard, You would need to ask the companies that gave you the quote's. There are no set standards on ...
Central Air units	10/9/2008
Q: Can you tell me anything about the Intertherm brand and how it compares in quality to other brands. A: Robin, INTERTHERM Became Nordyne company in 1987. Brand-mate Miller. In 1998, Nordyne started ...
horizontal FAU in attic	10/9/2008
Q: The heat exchanger is cracked (small hair line crack about 3 inches long at the base of the return ... A: Olins, What's an FAU? How high efficiency, dose it freeze in your attic? I like Goodman furnaces, I ...
Punctured evaportor coil	10/9/2008
Q: Jim, while defrosting the freezer of my refrigerator I accidentally functured the coil. The ref is ... A: Donde, I don't do kitchen appliances but if you "punctured the coil you lost all the refringent, the ...
Floating Neutral Power Surge v. HVAC	10/9/2008
Q: I have a 2 year old Central Heat and A/C Unit all Electric. The power company did a big No-NO and ... A: Tricia, When something is working as it should work I think it's all but impossible to find any ...
Cracked Heat Exchanger	10/8/2008
Q: We have a Bryant Deluxe furnace (split system w/ac thing outside). The furnace is on the ground ... A: Susan: Contract, What kind of a contract? what's it for? I know you said you seen a "hairline crack ...
Humidifier Connection	10/7/2008
Q: Greetings, I have a Trane XV 95 two stage furnace and a Aprilaire 500 series humidifier. I have ... A: Darrell, I don't have the literature on your "Trane XV 95" or your "Aprilaire 500 series ...
furnace blower motor	10/7/2008
Q: Please, any advice you can give...is greatly appreciated. I have a Luxaire (do they even make them ... A: Lisa, It sounds like your squirrel cage blower wheel may have came loose or got out of line? If you ...
CFM thru duct work	10/6/2008
Q: Jim, thank you for taking the time for this. I'm wondering if a "bottle neck" is created by my 8.5" ... A: David, You should have a minimum of 200 square inches of free area, free area is the amount of ...
Heating and winter	10/5/2008
Q: I live in Michigan and it's heating time again. What is your opinion of turning the ther