I have a 2 years old house with builders YORK split airconditioner. ( two controllers, one upstairs one downstairs) 4 days ago, it stopped working. No matter what I do , but outside unit and attic unit did no respond at all (not even fan can be turn on). I checked circuit breaker, it is not...

I have a 7 year old Carrier 10 SEER split System Heat Pump, Model 38YCC. I asked the local Carrier Installer whether it is a single stage or multi-stage unit, so I can buy a new programmable thermostat appropriate for my unit. The Carrier installer rep I spoke with said it's a multi-stage unit,...

I have an Armstrong split system AC unit and the fan capacitor that a technician installed only Blows air on a very low setting. I have a replacement capacitor but I am not sure of where to Connect the wires. On the existing capacitor it appears that he taped 2 capacitors together and wired them...

Hi guys, I've got an electric 2005 York Heat Pump/AC split system that won't blow hot. All winter long I've avoided using the heat, now that I need to turn it up the kids are crying that it blows cold air. Pulled the '05 electronic thermostat off the wall to reset it, then turned the temp to 72 and...

My house trailer has only electric heat. I have added the "A" coil and heatpump. I have replacaed the two wire thermostate cable with a five wire cable. One goes from the thermostate to the furnace the other goes from furnace to the outside unit. I'm using the two heaters as the aux heat. I have...