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Nest Thermostats

Blog Posts

With hot water support, Google Home app now offers complete Nest Thermostat cont... Read more

Full temperature schedules for older Nest Thermostats now in the Google Home app Read more

Support changes to our earliest generation Nest Learning Thermostats Read more

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Selling your home along with a Nest Thermostat?

Are you a homeowner and you are selling your home and leaving your Google Nest Thermostat for the new owner? What do you need to do to make the transfer painless for you and the new owner? First and foremost, DO NOT PERFORM A FACTORY RESET. The Googl...

Troubleshoot setup: Nest Thermostats

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 • Diamond Product Expert
  • 21773 Views
  • 0 replies
  • 6 kudos

Google Nest 4th Gen

I am looking to wire a Nest Learning Thermostat 4th gen. I have 6 wires connected to my old thermostat. 2 red wires to the R connection1 Black wire to the W connection1 Green and 1 Black to the G connection1 Black to the Y connectionThe thermostat is...

BlakeRozV by • Community Member
  • 370 Views
  • 2 replies
  • 0 kudos

Thermostat Wiring Compatible

I am having issues installing Nest Thermostat. Is Nest Termostate compatible with my system? I have photos of existing thermostat wiring I can provide.

ebmagill by • Community Member
  • 300 Views
  • 1 replies
  • 0 kudos

Replacing Honeywell with nest

I have a Honeywell THX9421R5021WW. It does use wifi. It only has 2 wires R and C. The C wire is white and seems to be powering the thermostat. The R wire is red. I want to replace it with a nest 3rd gen. Is this possible. Thanks.

Shiraj by • Community Member
  • 651 Views
  • 2 replies
  • 0 kudos

Wifi connectivity issue on Google Nest Thermostat

Hello I was on vacation and when I came back I noticed that my thermostat stopped connecting to the wifi. I have tried these things so far: Factory resetRebooting my router Using two different WiFi networks (mobile hotspot)Using a different account N...

aparsa by • Community Member
  • 1375 Views
  • 12 replies
  • 0 kudos

E448 error message

Our old thermostat was working smoothly before we began the installation of our new Nest. We installed the Nest using W and R wires. When we turn the power back on, the app returns the E448 error message. We have tried resecuring the wire several tim...

Cstier by • Community Member
  • 327 Views
  • 1 replies
  • 0 kudos

Resolved! No reset account option in thermostat

I have lost my thermostat in the nest app. To reconnect I should now reset the account connection, but this option is not available in the reset menu of my thermostat! Software version is 5.9.5-2How can I reconnect my thermostat? Thanks for your supp...

AndreasG by • Community Member
  • 515 Views
  • 1 replies
  • 0 kudos

Best thermostat won’t charge

My nest thermostat will not charge, it’s 8 years old so think it’s on the way outi have to manually put the heating on by pressing the boilerDo I need to replace the whole thermostat? And how easy is it to connect again to the boiler?

amy1985 by • Community Member
  • 297 Views
  • 2 replies
  • 0 kudos

Honeywell TH8321WF1001 to a Google Nest

Hi there,I'm looking to replace my current Honeywell TH8321WF1001 thermostat with a Google Nest. I’ve attached a photo of my current wiring setup. I also have a whole-home humidifier connected via the U1 terminal, and keeping the humidifier active is...

Lock Nest Thermostat to prevent turning on

I want to lock the Nest thermostat to prevent it being turned on.It seems like I don't have an option to do this. When I lock the Nest Thermostat from the iOS app with a PIN, it allows a range that it can be set at. This feature is great. But, someti...

xyz2025 by • Community Member
  • 393 Views
  • 1 replies
  • 0 kudos

System blowing hot air while on AC mode

I just installed my Nest and might have messed up the wiring. After setting it up, the system is blowing hot air instead of cold.Old system had these wires: Y2, W2, G, W, C, Y, R, and a jump wire from R to Rc.Old system wires to new system wires: Y t...

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