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Nest Thermostats
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Forum Posts

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
  • 22001 Views
  • 0 replies
  • 6 kudos

Wiring compatibility

I need to know if my thermostat is compatible with the nest learning thermostat third generation:I do not see an option to attach a photo but my old system hada black wire on W-2A red wire on RCA white wire on Oa yellow wire on Ya green wire on Ga bl...

Ktmcrthy by Community Member
  • 43 Views
  • 0 replies
  • 0 kudos

install new gen 4 to replace existing gen 1

I am replacing 2 old gen 1 thermostats with gen 4. one installed great. second one is wired correctly but keeps showing a heat pump wire and auxiliary heat wire. should only be the 4 wires, Y1, G, rc and W1.the app also shows no power but the light o...

jc540 by Community Member
  • 34 Views
  • 0 replies
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Nest Power Connector

Hi, I have four heating zones and all thermostats are older Honeywell systems with two wires - red and white. I want to change one of these to a NEST thermostat but received the message that a power connector was needed. Unfortunately the instruction...

DrRon by Community Member
  • 70 Views
  • 2 replies
  • 0 kudos

Heat and cooling

Hi everybody. Previously had a 4 wire Honeywell thermostat installed (red wire in r and jumper into rc, white into ob, black into y and green into g) I recently tried installing nest thermostat with 6 terminals on the base. Wired nest same as honeywe...

RICHARDgb by Community Member
  • 64 Views
  • 1 replies
  • 0 kudos

Gen 4 support for natural gas/heat pump

Hello, I was early to the Nest party. We had a Nest 1, at some point we upgraded to a nest 2. The wiring mount says Model 02A. It has worked fine since 2015. I’m upgrading to a Gen 4 (G5AJK). We have an American Standard dual fuel heat pump that also...

Rstrle by Community Member
  • 66 Views
  • 1 replies
  • 0 kudos

Compatibility Check

Google Compatibility Checker sent me here for support to upload photo but there isn't an option to upload photo (no camera icon on text box) and I have confirmed I'm logged in (saw that resolved camera issue for others). Here are wires used by curren...

cokie by Community Member
  • 105 Views
  • 2 replies
  • 0 kudos

No Display but App works

Purchased Nest Learning Thermostat 4th gen in late April 2025 to run my hot air furnace. It functioned as expected for about a month and then seemed to run out of power with no display. I tried to charge it, but nothing happened. Since the heating se...

dbstx by Community Member
  • 89 Views
  • 1 replies
  • 0 kudos

Wiring 4th gen heat only

Looking for some help with my Nest 4th gen. I have an oil furnace with only 2 wires, that connect to the R & W terminals on our old Honeywell t-stat. When I connect the Nest following the instructions in the app, the level lights up indicating power,...

Krthomp33 by Community Member
  • 99 Views
  • 4 replies
  • 0 kudos