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Nest Thermostats

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Home/Away Assist, returning home always stuck in eco mode Read more

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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...

Gunfish1 by Community Member
  • 15 replies
  • 0 kudos

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...

Screenshot_20220509-001959_Nest.jpg 20220510_132851.jpg
dnnm16 by Community Member
  • 5 replies
  • 0 kudos

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.