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Nest thermostat not heating when it says it is heating.

OpOmOs
Community Member

Google Nest Learning Thermostat - 3rd Generation - Smart Thermostat - Pro Version works great cooling.  Not so much since winter came.  I have 3 of these on 3 different units all the same brand / model.  One works flawlessly.  The other two cool works great but no heat.  Put the old thermostat on and heat works fine.  I even swapped one of the non-working units with the one that is working and the problem stayed with the unit.  I'm not sure where to go from here.

1 REPLY 1

Jeremyg
Community Specialist
Community Specialist

Hi @OpOmOs!

 

Thanks for reaching out to the community. I am sorry to hear that your Nest thermostat is not heating when it says it is heating, but no need to worry; help is here. I need to know a few things about your thermostat in order to provide you with a better resolution.

  • Does the thermostat display show any error codes or messages?

  • When did the issue first occur?

  • When was the thermostat installed?

  • What is the make and model of your HVAC equipment?

  • What troubleshooting steps have you done before you contact us?

  • Do you see a blinking LED light? If so, is it red or green?

I'll be waiting for your response; any additional details you can provide will be helpful.

 

Best regards,

Jeremy.