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Nest Thermostats

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

Nest Renew: How are you preparing for an electric future? Read more

Prepping for a cleaner heating season Read more

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

Forum Posts


I have a older thermostat that only has 2 wires, is the Google nest still compatible? Do I need to run a new wire?

Heating coming on in middle of night

HiI've had nest installed by a plumber and electrician recently. Since installed it seems to be working fine apart from it comes on (heating) randomly in the middle of the night. I've set all learning modes off with a basic schedule of on at 6am set ...

JADM by Community Member
  • 8 replies
  • 1 kudos

Resolved! Need help in replacing Replacing Honeywell TH2110D1009/U thermostat

Hello,I'm trying to upgrade my Honeywell TH2110D1009/U to Nest Learning Thermostat. The current wiring shows "Yellow wire" as disconnected - not sure if I have to connect to the Nest base. Highly appreciate any help!(Please view the attached pics)Thx...

IMG_3003.JPG IMG_3004.JPG IMG_3005.JPG IMG_3006.JPG
SV by Community Member
  • 8 replies
  • 0 kudos

Nest Install

my W and E wire are in the same contact on my existing tstat, should they be on the same W terminal on the nest???

Gary2 by Community Member
  • 2 replies
  • 0 kudos

Nest thermostat compatibility

Can someone help me find out if my system is compatible with the Nest thermostat? I've tried the compatibility checker, but it asked me to consult someone after I confirm I do not see a "C" wire.



My nest thermometer will not lower the heat I will set it to 50° and it constantly is running at 77 to 81° it will never lower. I have restarted it and still deal with this high heat in the house.

Mtan2017 by Community Member
  • 0 replies
  • 0 kudos