Google Nest Community

Smart thermostat not controlling ac

My smart thermostat works fine for heat but when I turn on the ac, the ac starts but the heater blower will not turn on. Any ideas?

How to know when your energy provider is controlling your thermostat

3rd generation Nest Tstat

My Nest Tstat won't turn on my AC, it blows hot air instead. I paid a HVAC tech for a service call and he tells me that the tstat is bad (wasn't sending the signal to the cooling unit). He wired the condenser to work temporarily but says to replace t...

No heat using nest learning 3rd gen with heat pump

I have an electric heat pump system. It worked fine with the original thermostat. I switched over to nest learning third generation and it's only blowing out cool air. Attached are two pics of my original wiring and my nest wiring. I can't get my hea...

nest Thermstat install error code 298

My old thermostat uses 3 wires red, green, white I have a spare black wire.

error message on Nest 298

My old thermostat uses 3 wires red, green, white I have a spare black wire.

Powerless After-Professional Presence

My new Nest is stuck on error message e73 (no power to Rc wire detected). Professional checked Rc wire and power is detected. I'm stuck. Where do I go for a replacement? Is that my only option? Day 3 with no AC or Heat.

Power Confirmed - Error e73 message remains

My new Nest is stuck on error message e73 (no power to Rc wire detected). Professional checked Rc wire and power is detected. I'm stuck. Where do I go for a replacement? Is that my only option? Day 3 with no AC or Heat.