I've done everything I possibly can so far... I filled the A/C with a sealant, and some more freon... and it worked for like 2 months... then a few days ago it started to get a little warmer, so I bought some more freon and put it in there again... it didn't do anything for some reason.Yesterday I...

Hello my a/c unit just started to blow hot air. Could this be the contactor?

I've got a register that does not appear to be blowing any air. The register is located approximately 4 feet from another register that is blowing just fine. I can hear the furnace working through the register that is not blowing, yet nothing seems to be coming out. This suggests to me that the...

I installed the Honeywell RTH230B in the fall and just switched to air except it only blows out hot air. It is not displayed in the setup. There are for additional wires, blue, black, brown and orange. I don't know if they have anything to do with why no cool air is blowing or not. I have the...

I installed the Honeywell RTH230B in the fall and just switched to air except it only blows out hot air. I have a five wire set up but don't know where to put the extra blue wire. It is not displayed in the setup. Actually I just noticed there are for additional wires, blue, black, brown and...