- If you haven’t already, download the Nest app on a phone or tablet.
- On the Nest app home screen, tap the Settings cog.
- Tap Add product. The app will switch to a camera view to scan the thermostat’s QR code.
- On the thermostat, press it to open the quick view menu and tap the Settings cog.
- Turn the ring to select Nest app and press to open it.
- Select QR code. Your thermostat will show you a unique QR code to scan with the app. If it doesn't, tap Continue without scanning in the app and select Get entry key on your thermostat instead.
- Follow the remaining steps in the Nest app.
If the thermostat had a previous owner and hasn’t been reset yet, you will need to factory reset the thermostat first.
