How to restart or reset a Nest thermostat
Restarting your thermostat can resolve some issues, like a slow or frozen display, or help it get reconnected to the internet. If you need to clear out some or all of the learning about your home, schedule, or personal settings, you can reset your Nest thermostat.
Differences between restarting and resetting
Restarting your Nest thermostat
- Maintains all your settings, similar to restarting a computer, phone, or tablet.
- Is a useful troubleshooting step if your thermostat is stuck or frozen, has trouble connecting to the internet, or is not working normally.
Resetting your Nest thermostat
- Erases some or all of your thermostat’s information depending on the option you choose.
- Is useful if you’re moving out and need to install your thermostat in a new location, or want to leave your thermostat behind and you want to remove all your personal information.
How to reset or restart your Nest thermostat
Important: Before resetting your thermostat, write down the settings so you can easily restore them if needed. Go to Settings Equipment on your thermostat and record your system wires, your heating type, and your Safety Temperature settings.
- Press your thermostat ring to open the Quick View menu.
- Choose Settings .
- Turn the ring to Reset and press to select.
- Choose your option from below:
To restart your thermostat
Your Nest thermostat will not lose any of your information or
To reset all or some of your Nest thermostat's information
Choosing this option will clear out your entire temperature
Note: If you’re using a Nest Thermostat E and you have Auto-Schedule disabled you’ll see the option to reset to a blank
Important: If your Nest thermostat controls your hot water,
Your thermostat learns how how often you walk by to help
If you move your thermostat to a new location in your home, or
Tip: You can improve Home/Away Assist by using your phone
Resetting the network will remove all of the network
To connect your thermostat back to the internet, you’ll need to
Resetting your Nest thermostat to defaults will reset any
Important: You should remove your thermostat from your
After resetting to defaults, you’ll need to set it up again just like
Your thermostat will need time to learn about you and your
You'll also need to add your thermostat to the Nest app again if
How to manually restart if your Nest thermostat is frozen or stuck
We only recommend this method if your thermostat is stuck or frozen, and you can’t reach the menu to restart your thermostat as described in the section above.
Important: Manually restarting your thermostat is similar to turning off a computer instead of shutting it down, so your thermostat could lose some unsaved information.
To manually restart the Nest thermostat:
- Press your thermostat ring and hold it down until the screen turns off (about 10 seconds). Then let go of the ring.
- Press and release the ring to turn it back on and complete the restart process. You'll see the Nest logo when it begins to start up. The screen will turn on as it finishes.
Restarting or resetting the Heat Link
In some cases, you may also want to restart or reset your Heat Link. This can be useful when troubleshooting the connection between the Heat Link and your Nest thermostat. You may need to reset the Heat Link to factory defaults if you've had your Nest thermostat replaced.
Erase previous settings during thermostat setup
You might need perform this type of reset when you’re first setting up a Nest Thermostat E.
While you’re adding your thermostat to the app, if it gets stuck, the app will tell you to erase your thermostat’s previous settings in order to continue with setup.
Note: Only follow these steps if the app tells you to erase your thermostat’s previous settings during setup. These steps won’t work any other time.
- Press your thermostat ring two times.
- Then press and hold your thermostat ring for five seconds.