Wiring may not be compatible according to Nest. I have heating and central air.

[Allevy]

 

[RenzJ]

Hi Allevy,

Thanks for posting here in the Google Nest Community forum. We´ll check this out, please answer the following:

1. Are you from North America or Europe? 
2. What type of Nest Thermostat do you have or planning to have? 
3. What is the make and model of your HVAC?
4.  Have you tried our Compatibility Checker?

Thanks,

Renz