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  1. HVAC
    I am replacing my 41" tall, low boy furnace shortly with a Carrier Infinity 80BTU. The Return air duct on ceiling is 10" x 20" fed from the underside by a 12 x 20" X 90 degree turn which offsets sideways from the cold plenum. See attached .This 12 x 20 x 90 degree offset measures a total of 18.5...
  2. HVAC
    I have an Amana Furnace Model #GUIC070FA30 that was installed in 2004. For some reason it will occaisionally ignore the thermostat and stay off. I know it's not the thermostat because when I crossed the red and white wire, the furnace stayed off. I shut everything off and back on, then it works...
  3. HVAC
    I recently noticed that my upstairs unit was not heating. I had a schedule service call schedule when the repairman came out he told me my transformer was bad. so he replaced it, but still nothing. He then told me my control board was shot (HK42FZ009). He did not have a board told me it...
  4. HVAC
    I call it a Furnace, but is it actually a Boiler? I have a heating question or two, since my house has been experiencing lack of heat from the baseboard radiators. I have 3 zones, oil fired, hot water heat. Not valve on baseboard radiators to drain/bleed. Perhaps I need to bleed the system...
  5. HVAC
    Hi, A couple of days ago I noticed that my American Standard Freedom 80 was not working properly. The furnace burners would ignite for about 10 seconds then go out. This would repeat about 5-6 times. After the last ignition attempt it would lockout but the fan would then start and circulate...
  6. HVAC
    I have 2 Amana Air Command Hi Efficiency 90 gas furnaces. They are both about 12 years old. One has had service three times in the last month and a half and the symptom is always the same….blowing cold air. First they replaced the thermostat? Next they replaced the igniter with an upgraded...
  7. HVAC
    It has been bled by the person that delivered the oil AND I bled it again, thinking that was the problem. It runs for a few minutes and then shuts off. I think it is a Beckett Model AFG, it also says Honeywell R8184 G 1427.
  8. HVAC
    I have an electric furnace. I have the thermostat in the Auto position at 70 degrees. the furnace keeps pumping out hot air at 75 degrees. I put the thermostat in the "off" position and the furnace keeps going. Is this a thermostat issue or something else?? Patrick
  9. HVAC
    My husband is certain that he can install a furnace and all the needed ductwork in our house. I am not so certain. I need to know what exactly needs to be done so I can talk through this thoroughly with him. I do not want to go without a furnace again this winter. Our house has no existing...
  10. HVAC
    I am a student at the University of Georgia, and I am doing research for my senior thesis. As part of my research, I need to find out how much the cost of installing a furnace varies across America. I am interested in how much it costs for the furnace itself plus the labor to install it (the...
  11. HVAC
    I have a Goodman gas furnace Model GMP075-3. Electric Ignite. Went to turn it on for the first time this year. When setting temp on the thermostat, you can hear it click, but no fire. Followed instructions on door to turn off all electricity to it, turn gas off, wait 5 minutes, turn gas back on...
  12. Plumbing
    Hi, I'm not sure if I should be posting this in plumbing or construction. I have a high-efficiency furnace in my basement and the condensate tube it just laying on the floor (which is unfinished) beside the drain opening. You can see from the picture that its easy for the tube to be moved...
  13. HVAC
    My Rheem 80 Plus Furnace from about 1985 is not starting when the thermostat turns system to on. The part that looks like a solenoid(B) buzzes loudly when switched on. I previously put in a new exhaust fan(E) and vacuum hose when the old squirrel cage rusted out. I have an second identical...
  14. HVAC
    I'm trying to light my furnace pilot light, but for some reason the pilot light button will not turn so I can light the gas. For some reason the pilot light went off some time is the summer, and now that it's turned cold again.... This happened once before, seven years ago. The furnace is a...
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