I am selling my house and the home inspector noticed that when you turn the heat on, the heat pump doesn't come on and goes to auxiliary heat. It works fine for air conditioning and when I call for heat at the stat and push the contactor in manually it is blowing cold air out of the condensing...

I have a new Carrier Infinity 25HNA636A310 compressor. Does it run in both speeds when in heat mode

I have an older lennox unit that is pilot light. The blower motor won't shut off when the temp is reached on the thermostat but it works fine in ac mode. What could cause this? I'm confused because it worked 2 weeks ago when I turned my ac off and the thermostat is in auto and only shuts off when I...

This board is awesome. I have done some reading first on here. Here's my case: Compr runs fine. Fan on HVAC blower inside runs only in Heat mode. Not on Cool. Not even on "FAN-ON" as opposed to FAN-AUTO. Can this be an issue with relay and board within HVAC? Per other thread, it was talking...

I need some guidance. I have a Carrier A/C unit that has been working fine. Last night the fan stopped working for some reason in the A/C mode. But when I put the heat on, it works fine. The compressor and condenser work fine but the A/C fan just will not kick on. I thought it might be the...