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Nest Thermostats

Blog Posts

Troubleshoot a W5 Code on Nest Thermostat Read more

Nest Renew: How do you save energy during the Holiday season? Read more

Forum Posts

Need help with setup? Troubleshoot common Nest Thermostat problems

Here are some steps I recommend to resolve issues during the setup of Nest Thermostats.Before trying these stepsMake sure you're using the correct app for setup. Need help checking which model you have? Use the Google Home app to set up the following...

David_K by Platinum Product Expert
  • 0 replies
  • 6 kudos

Resolved! Heatlink Not Working

Hi I have a Nest Heatlink 3rd Generation, it appears to be completely dead. Its just over 2 years old. I have power to the unit but no lights. I have tried turning off the power etc but still no joy.Can you please advise how I purchase a new one.Than...

Patpat678 by Community Member
  • 23 replies
  • 0 kudos

Heat link v3 dead

My Nest Learning Thermostat has been working great for one year and now stopped charing the learning thermostat. Digging onto it there is no charge on T1/T2 and I've checked that there is charge on the electricity plug connected to Heat Link. I can i...

ramonnb by Community Member
  • 7 replies
  • 0 kudos

Resolved! Compatability Question

I don't see DX+ when going through the compatibility test... can you look at the attached and advise please.

Screen Shot 2022-08-08 at 7.51.03 AM.png
Dogwood by Community Member
  • 11 replies
  • 0 kudos

Nest thermostat gen 2 heatlink has died

Hiam I correct in thinking that there is a known issue with the heat link units on the 2nd generation thermostats?I’ve had mine for less than 2 years and it suddenly stopped working. Checked the heat link unit next to the boiler and there are no ligh...

Gibbo486 by Community Member
  • 3 replies
  • 0 kudos


got home today after about 36 hours away. Was 89 degrees In my house. I set the thermostat to 70. 4 hrs later it’s only down to 79 and is still very hot. Was working fine before. Is there any reason why it is taking forever to get colder?

Edcharsh by Community Member
  • 4 replies
  • 0 kudos

AC cycles on and off despite no errors with C wire need

Hello yall. Battery and voltage levels are fine which are right at 20. Connected wires as you see in the picture but AC cycles on and off. I went from RH to RC but found through Google this is ok and same problems ocurrs in either setting. This leads...

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Nest Learning Thermostat keeps turning my HVAC on/off

Hello all,I just installed a Nest Learning Thermostat, triple-checked the wiring scheme (conventional, not heat a pump), and yet the system keeps turning my HVAC system on and off repeatedly. I've set it to cool mode, desired temperature 85, and desp...

Ambrose8 by Community Member
  • 12 replies
  • 0 kudos


Cool mode was on dial and then disappeared and now can’t turn on the AC air.

Santos1 by Community Member
  • 3 replies
  • 0 kudos
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