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How to restart or reset a Nest thermostat

When you restart your thermostat, it 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 restart and reset

Restart your Nest thermostat

  • Maintains all your settings, similar to when you restart 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.

Reset 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 you reset your thermostat, write down the settings so you can easily restore them if needed. Go to Settings Nest settings icon and then Equipment on your thermostat and record your system wires, your heating type, and your Safety Temperature settings.

  1. Press your thermostat ring to open the Quick View menu.
  2. Choose Settings Nest settings icon.
  3. Turn the ring to Reset and press to select.
  4. Choose your option from below:

To restart your thermostat


Your Nest thermostat will not lose any of your information or
settings if you restart it, similar to a computer, phone or tablet.
Your thermostat will boot back up, and you can continue to use it.

To reset all or some of your Nest thermostat's information


If you choose this option, it will clear out your entire temperature
schedule. Any set points that your thermostat has learned, or
that you’ve created, will be erased.
 You’ll need to create a
brand new schedule from scratch, or wait while your
thermostat learns your new schedule

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
schedule as above or choose a default schedule. A Default
schedule is an average schedule based on your region with
setpoints already added for you.

Important: If your Nest thermostat controls your hot water,
choosing the schedule option from the reset menu will also
remove any schedule you’ve set for your domestic hot water.
You’ll need to set up your hot water schedule again.


Your thermostat learns how how often you walk by to help
your connected devices automatically switch as you come and go. If you choose this option, all the learned information on your thermostat will be reset.

If you move your thermostat to a new location in your home, or
if you’ve had your home remodeled, you should use this option.
Your thermostat will learn about its new location after a few

Tip: You can improve Home/Away Assist by using your phone


If you reset the network, it will remove all of the network
information from your thermostat. Your thermostat will no
longer be connected to the internet and it will forget your Wi-Fi

To connect your thermostat back to the internet, you’ll need to
select your Wi-Fi network from the Settings Nest settings icon and then Network

All Settings

If you reset your Nest thermostat to defaults, it will reset any
learning and remove all your personal settings.

Important: You should remove your thermostat from your
account before using this option to reset to defaults.

Learn how to remove a Nest thermostat from your account 

After you reset to defaults, you’ll need to set it up again just like
you did when you first installed it.

Learn how to set up your Nest thermostat 

Your thermostat will need time to learn about you and your
home before creating your schedule and activating its energy
saving features.

How Nest thermostats learn 

You'll also need to add your thermostat to the Nest app again if
you’d like to be able to use it remotely and receive alerts.

Learn how to connect your Nest thermostat to the app 

How to manually restart if your Nest thermostat is frozen or stuck

This method is only recommended 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:

  1. Press your thermostat ring and hold it down until the screen turns off (about 10 seconds). Then let go of the ring.
  2. Press and release the ring to turn it back on and complete the restart process. The Nest logo will appear when it begins to start up. The screen will turn on as it finishes.

Restart or reset 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.

Learn how to restart the Heat Link or reset it to factory default settings 

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.

  1. Press your thermostat ring two times.
  2. Then press and hold your thermostat ring for 5 seconds.
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