Just a quick question.

My carrier HVAC system does the following. When it first comes on it cool just fine, but when it goes through a on/of cycle tripped by the thermostat the blower comes on, the outdoor fan comes on but the compressor does not. If I turn the AC off using the tstat, then turn it back on, after about...

Hello, Does anybody have any experience replacing the control board (CNT 03798) on a trane unit? I had an HVAC guy check out the unit, and he told me that was the part that needed replacing. I'd like to do it myself to save several $100.00 on the job, but I've never done it before. It...

Hi there... This is my first question and I would appreciate your expert help: The circuit breaker for my Trane central air unit tripped and upon further investigation, I found some sort of short circuit behind the Integrated Furnace control board CNT 2789. I saw a big spark behind the board...

When I turn my home heating unit on, Fan on Auto, I hear the gas come on and ignite, but the fan doesn't come on. I hear a buzzing noise coming from the Ignition Control unit. If I turn the fan on, the house heats nicely, but the (Robert Shaw 180 715U) Ignition control unit keeps buzzing. Any tests...