| Subject | Date Asked | Expert |
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| ductwork | 10/10/2008 | Jim Barnhart |
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 ...
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| HVAC quote from 2 companies | 10/10/2008 | Jim Barnhart |
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 ...
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| exhaust fan | 10/10/2008 | Eric Campion |
Q: Can I use a speed control switch on an exhaust fan to regulate the cfm? The fan I have didn't come ...
A: I am not sure.....It depends on the type of motor you have now. Is it a two speed? If so, it has 2 ...
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| Air Conditioning | 10/10/2008 | Howard Livingston |
Q: I had my coil replaced about a year ago. I did not replace my outside ac unit yet, but it is pretty ...
A: You do it with a garden hose & an oil can using about 5 drops of oil at the start of every Summer. ...
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| Changing an a/c transformer | 10/10/2008 | Bill Brainard |
Q: Our dog chewed thru the a/c wires. We have re-attached the wires, checked the fuses and think it ...
A: Don't jump to that conclusion. Does the unit (furnace) work at all? How did you check the fuses? ...
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| Evaporator freezes over blocking airflow | 10/10/2008 | Eric Campion |
Q: We have a Frigidaire side-by-side (Model #FRS26ZRF) that is probably about 11-12 years old ...
A: That could be a problem. The defrost timer has a little cog that can be turned with a flat bladed ...
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| Tempstar DC90 - Thermal Limits switch trips | 10/10/2008 | Howard Livingston |
Q: My thermal limit switch trips and the burner turns off. When I remove my filter the furnace runs ...
A: If dirt or soot has accumulated to plug up the heat exchanger or the flue pipe, the flame, or too ...
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| installing a low voltage programmable thermostat | 10/9/2008 | Craig HVAC Expert |
Q: I'm looking at installing a programmable thermostat to replace a "builders" manial model. There are ...
A: You need to do two things...get a thermostat that works with batteries, because you do not have a ...
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| Blower Control | 10/9/2008 | Craig HVAC Expert |
Q: I have an older GE Weathertron air pump with an ICG electric auxillary heat source/air handler with ...
A: As long as the board will handle the amps, and you can connect the wiring to it to make it work...go ...
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| Central Air units | 10/9/2008 | Jim Barnhart |
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 ...
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| horizontal FAU in attic | 10/9/2008 | Jim Barnhart |
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 ...
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| fridge leaking | 10/9/2008 | Eric Campion |
Q: my 5 year old fridge from sears canada is leaking water INSIDE the fridge and leaving puddles on the ...
A: The problem you are experiencing is normally a blocked evaporator drain line. Whether you have a ...
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| Punctured evaportor coil | 10/9/2008 | Jim Barnhart |
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 ...
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| Decode Help | 10/9/2008 | Eric Campion |
Q: I need to break-down the model number of a Tempstar gas furnace to identify the blower tonnage. ...
A: Unfortunately our expertise is with Major Home Appliances only. This would include washers, dryers, ...
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| Tempstar DC90 - Thermal Limits switch trips | 10/9/2008 | Howard Livingston |
Q: My thermal limit switch trips and the burner turns off. When I remove my filter the furnace runs ...
A: Is there any flames rolling from the burners ?? Is this switch one of those little red manual reset ...
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| HVAC / Evap Cooler Lockout Circuit | 10/9/2008 | Howard Livingston |
Q: Does anyone make a "lock-out" circuit for an HVAC unit, such that it will not come on if an evap ...
A: Boy, Don, that's a good one ! Swamp cooler & a/c going at the same time !! Don't know of anything on ...
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| Floating Neutral Power Surge v. HVAC | 10/9/2008 | Jim Barnhart |
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 ...
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| electric start tappan furnce | 10/9/2008 | Craig HVAC Expert |
Q: I have had my furnace running for about 2 weeks now to take the chill off some. Last night i noticed ...
A: The problem can be any number of elect. problems in the unit. You need to have a meter and ...
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| Furnace | 10/8/2008 | Howard Livingston |
Q: I currently have a Thermopride 1995 oil furnace and am thinking of switching to natural gas. I have ...
A: Variable speed motors are quiet, but blow the same amount of air as a common motor. They do ramp up ...
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| 2 HVAC units home humidification | 10/8/2008 | Craig HVAC Expert |
Q: Craig We have a 3 story home with 2 heating/cooling units (one upstairs, one downstairs). The one ...
A: A whole house humidifier does not mean much unfortantly. You really need to know the capacity of ...
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| Armstrong Ultra 80 won't ignite | 10/8/2008 | Joe |
Q: I’ve got an Armstrong furnace that won’t go past the pilot ignition stage. What it does when I call ...
A: Joe, Look at wiring diagram on unit possible a roll out switch is open (if equipt.),would be a ...
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| Armstrong Ultra 80 won't ignite | 10/8/2008 | J Cook |
Q: I’ve got an Armstrong furnace that won’t go past the pilot ignition stage. What it does when I call ...
A: I would try jumping the pressure switch, but on most units, if the pressure switch does not make, ...
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| DUAL ZONE | 10/8/2008 | Craig HVAC Expert |
Q: We have a 5 yr old custom built house. Our HVAC is dual zone so that we would be guaranteed warmth ...
A: I need to add a bit to my answer...Air source heatpumps may not work well in PA during the extreme ...
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| Cracked Heat Exchanger | 10/8/2008 | Jim Barnhart |
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 ...
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| Air Conditioning | 10/8/2008 | Howard Livingston |
Q: I had my coil replaced about a year ago. I did not replace my outside ac unit yet, but it is pretty ...
A: Not yet. R22 is phasing out in 2010, R410 replacing it. BUT, recycled R22 will be around awhile yet ...
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| Tempstar 9000 furnace | 10/8/2008 | Bill Brainard |
Q: I have about a ten year old Tempstar 9000 furnace in my home in Milwaukee WI. I recently had to move ...
A: Take some steel wool & wipe the sensor rod clean. Do not scrub. Check ground connections at the ...
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| Charging a refrigerator | 10/8/2008 | Eric Campion |
Q: I am a maintenance man at a large apartment comunity.We,of course, take care of all the appliances.I ...
A: Good Morning Gregg....trying not to open a can of worms..but most time when refrigerant needs ...
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| leaking ice maker | 10/8/2008 | Eric Campion |
Q: ice maker is leaking water inside the freezer and out the ice dispenser. it leaks a steady stream of ...
A: Go to the rear of the refrigerator and unplug the wiring harness going to the water inlet valve. ...
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| Humidifier Connection | 10/7/2008 | Jim Barnhart |
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 ...
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| DUAL ZONE | 10/7/2008 | Craig HVAC Expert |
Q: We have a 5 yr old custom built house. Our HVAC is dual zone so that we would be guaranteed warmth ...
A: You did not tell me where you live, so the heatpump may not work very well. Most air source ...
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| Whirlpool Dishwasher wont clean | 10/7/2008 | Eric Campion |
Q: My sister in law has a whirlpool quiet partner 1 , model number du1055xtps4 that has stopped ...
A: Start the dishwasher and listen for the water to begin filling and then it will stop. When it stops ...
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| Setting up outdoor wood boiler | 10/7/2008 | J Cook |
Q: Thnaks for taking this question. Heres the situation. I built my own house and did everything but ...
A: I really appreciate the opportunity, but the liability of designing the operation of a boiler ...
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| furnace blower motor | 10/7/2008 | Jim Barnhart |
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 ...
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| finding a draft inducer for my tempstar gas furnace | 10/7/2008 | Bill Brainard |
Q: I have a Tempstar gas furnace and it has a broken draft inducer. I am trying to find one on the ...
A: Call Tempstar customer srevice & ask them for a wholeseller and distributor for your area. You can ...
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| AC control | 10/7/2008 | Howard Livingston |
Q: I have a control problem that I could solve with an embedded controller, a small Visual Basic ...
A: Interesting point, John. Just think that startup load is about 175% of run load & I could imagine ...
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| Sear Furnace - short circuit... | 10/6/2008 | Bill Brainard |
Q: I have a 1983 Sears Natural Gas Furnace Model #867.764240 Serial#H41663015. Three weeks ago our ...
A: 30 years easy. BUT! If you live in a COLD area like I do (Montana). I would replace it now, With a 2 ...
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| Maytag Gas Dryer - NO HEAT | 10/6/2008 | Eric Campion |
Q: I have a Maytag GAS dryer model # LDG8424AAE, S/N 13110699MM. The clothes tumble but do not dry. ...
A: Trouble shooting a gas or electric dryer requires the use of a voltage/ohm meter. Do you have one ...
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| Lennox a/c problem | 10/6/2008 | Eric Campion |
Q: While looking for problem with a/c I discovered that I accidentally put the filter on backwards on ...
A: Unfortunately our expertise is with Major Home Appliances only. This would include washers, dryers, ...
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| CFM thru duct work | 10/6/2008 | Jim Barnhart |
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 ...
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| furnace wont light | 10/5/2008 | Howard Livingston |
Q: The furnace will not ignite. It has electronic ignition and you can hear it click to try to ignite ...
A: Most likely the pilot line is plugged. Can you try to light it with a match while clicking ?? ...
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