New Nest Thermostat - No set up code

[kharris1]

My contractor installed the thermostat but failed to leave the code.  How do I set this up in the app without it?

[David_K · Accepted solution]

First check which model of thermostat you have:
How to tell which Nest thermostat you have - Google Nest Help

Nest Thermostat
For the Nest Thermostat model, use the Google Home app. The QR code and setup key are physically printed on the back of the thermostat. Follow these steps:

Get started with your Nest Thermostat - Google Nest Help

Nest Thermostat E and Nest Learning Thermostat
For Nest Thermostat E and Nest Learning Thermostat models, use the Nest app. The QR code and setup key are in the settings on the thermostat itself and are not printed on the device. Follow these steps:

Add your Nest thermostat to the Nest app - Google Nest Help