Questions & Answers for: thermostat heating instead cooling

...the thermostat, "W" terminal is for heating, "Y" is for cooling, and "G" terminal is for fan operation. At the condensing unit for cooling the brown and yellow wires would normally be for the

...THERMOSTAT HAS TWO MERCURY BULBS AND WORKS FINE, i HAD TO PUT THE OLD ONE BACK IN. WHAT CAN THE PROBLEM BE? heat pumps normally have what is called a jumper wire between you R and RC, RC run cooling. ...

thermostat. Every year when we switch from heat to cool.....we cannot get cool air. Instead, it is getting hotter in here. I pulled off the cover and I see that there is one connector not attached....

...thermostat is turning the heat on instead of a/c. It says [system - cool] and [fan - on], but it is 60 degrees outside and 85 in here. I reset the fuse for the a/c, changed the batteries, and changed ...

...HEATING SYSTEM TO TURN ON THIS THERMOSTAT WAS WIRED INTO A ZONE CONTROL BUT NOW THE ZONE CONTROL HAS BEEN ELIMINATED.DO I NEED A 2 WIRE T-STAT INSTEAD? I would switch to a two wire heating only stat ...

...thermostat is in (HEAT / COOL / AUTO) Manually select heat, then increase temp above the current temp setting. listen for furnace to activate or wait a few minutes for warm air output. If not, you'll ...

...thermostat. The air conditioner may be stuck on heating mode. If its a reverse cycle, the reversing valve may be jammed so even when the thermostat is calling for cold air, it stays on heat. If the ...

...two wire red/white connection Your existing thermostat is not capable of doing what you want it to. Instead, install a "heating and AC" type thermostat, and hook your fan to the AC (cooling)

Why does my dream heat pump cool instead of heating? thermostat --switch over valve / relay failure

...instead of warm air and it'll kick on but won't kick back off for like maybe 2 minutes If your system starts to blow cool air when your Nest thermostat is in Heat mode (or if it blows warm air when ...