When I turn thermostat on it clicks, but no heat. My son turned just the fan on it works, he opened door to heater said the pilot light is ignited and first time the burners came on. They then went out and then wouldn't come back on.

My heater start working fine , the flame comes on, the fan runs well and blows hot air, then when the flame cames off, the fan continues to running blowing cold air and the never stop, blowing cold aiir the rest of the time? I changed the fan and the capacitor, Is it a heat sensor? What can be the...

My air conditioner will not come on. I check to see if the furnace fan would come on with the heat setting and it also does not work. I checked all the outside circuit breakers and took the yellow wire on the thermostat and touched it 2 minutes to the red wire, the AC motor did not start. I suspect...

We have central air, and recently it wasn't blowing cool air like it used to. We then noticed that the fan outside wasn't working even when the central air was turned on. Does anyone know what I should do before calling someone?

I just moved into a 1991 mobile home with a heater of the same age. The furnace is a Nordyne Intertherm model MGHA 056ABFC-01 Forced air and natural gas heater. The problem is with the fan I turn the thermostat up to turn the furnace on. Once the burner heats up the fan turns on, The fan...