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google nest compatibility

acampbell9385
Community Member

IMG_3057 Small.jpegI was guided from my energy provider site then to Google to post this to see if nest is compatible

4 REPLIES 4

CoolingWizard
Platinum Product Expert
Platinum Product Expert

It’s gonna be a little hard to make that final determination of compatibility. You have a two wire system, so what happens is a signal comes in on one wire and the thermostat sent it back on the other wire when they didn’t demand for the service of heat is needed. Now if that red wire is carrying 24 V AC then it will be compatible with the nest. To check this we need to actually go to the other end of the cable and see what it is connected to there. This will either be a furnace, a gas valve, or an air handler control board . We need to see if there is a 24 V AC step down transformer there.
Ken, The AC Cooling Wizard

NestPro, Google Pro, Mechanical Engineer and HVAC service company owner.
If my answer solved your problem, click Recommend this Answer below, and If it helped you, please give a Kudo.

EdwardT
Community Specialist
Community Specialist

Hi folks,

@CoolingWizard, thanks for the help!

@acampbell9385, how's it going with your Nest Thermostat? Still need our help?

Thanks,

Edward

Markjosephp
Community Specialist
Community Specialist

Hi acampbell9385,

I wanted to see if you still needed help. Please let us know if you have any other questions or concerns.

Best,

Mark

Hello acampbell9385,

I'm just checking in to make sure that you've seen our response. Please let us know if you have any additional questions or concerns before we lock this thread in 24 hours.

Best regards,

Mark