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hvac operation

  1. HVAC
    Trane XE 78 furnace coupled with Trane 1000 stopped working all together after running the AC one time. Everything worked overnight but stopped by the next morning. Wife heard a noise come from the AC unit (she says) that night. The furnace has the LED indicator that has no flash. No blower fan...
  2. HVAC
    Hi there, Okay. My furnace comes on when it is supposed to and heats the house appropriately. After it sounds like it has shot off, it seems to reignite as if it wants to start up again. Recently it started trying to reignite twice. It's very strange and a bit concerning in a house with three...
  3. HVAC
    how do i reinforce the flue line coming from the heating system to the chimney... the inspector wants me to reinforce the flue line thats attached to the chimney. Do i use cement for that? please advice me. i dont know what to do:(
  4. HVAC
    Hello - new member here! I have a York Latitude Heat Pump - installed new in August, 2007. My question is: can I adjust the unit to have it go into defrost mode less often as it does? Lately, it seems to be going into defrost mode every 45 to 60 minutes regardless of outside weather...
  5. HVAC
    I am trying to replace my old thermostat with a new Ritetemp 6036. Below is how the wires are connected on my old Arcoaire: Name of old thermostat : Arcoaire Model of old thermostat : 9105N or T874R1517 - I think 9105N because that number is on the subase as well. Model of old subase ...
  6. HVAC
    I have a Lennox AC. The day before yesterday, it stopped working. Here is the detailed issue. AC runs for 5-10 min till the temperature drops 1 or 2 degress and then the FAN stops and you can still hear the compressor humming. I went ahead and checked the following: 1) Capacitor - It is a...
  7. HVAC
    I just purchased my first home. We have been installing hardwood floors and such. The weather recently hit the 90's. Air worked fine at first but now will not circulate. I have a Lennox system- M/N: G23Q314-160-6. I thougt we might have run it to low trying to cool the place off or that the...
  8. HVAC
    I need help. My pilot went out on my Utica MGB boiler 2 days ago. I can light it but it goes out when I release red button. Thermocoupler was replaced 2 years ago. Does anyone have any ideas? THANKS!
  9. HVAC
    I have a Trane XE85 system with a heat pump and a 3 zone controller. In the summer everything cycles on and off just fine. When it starts to cold and I switch to heat I begin to have problems where the blower and aux heat (gas) continues to run even though none of the thermostats are calling...
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