Nest Keeps Changing Temperature: How to Troubleshoot and Fix It

Have you ever walked into your home expecting a cozy temperature, only to be greeted by an unexpected chill or sweltering heat? If your Nest thermostat keeps changing temperature on its own, it can be quite frustrating. In this article, we’ll go through how to troubleshoot and fix this issue, so you can get back to enjoying your home’s comfort without any surprises.

Step by Step Tutorial: Fixing Your Nest Thermostat’s Temperature Changes

Before diving into the steps, it’s important to understand that following these instructions will help you identify and potentially solve the problem of your Nest thermostat changing temperatures unexpectedly.

Step 1: Check the Schedule

Make sure your Nest thermostat’s schedule is set correctly.

Nest thermostats learn your habits and adjust the temperature accordingly. If you’ve recently changed your routine or if someone else has adjusted the schedule, the thermostat may be following the wrong pattern. Access the schedule through the Nest app or on the thermostat itself and make sure it reflects your current routine.

Step 2: Check for Updates

Ensure your Nest thermostat’s software is up to date.

Nest frequently releases software updates that can fix bugs and improve performance. If your thermostat’s software is out-of-date, it might not function correctly. You can check for updates in the Nest app or through the thermostat’s settings menu.

Step 3: Assess the Location

Evaluate the placement of your Nest thermostat.

Your thermostat’s location can greatly impact its temperature readings. If it’s placed in direct sunlight, near a draft, or by a heat source, it may read the temperature inaccurately. Consider moving it to a more neutral location if necessary.

Step 4: Check the Sensors

Clean and inspect your thermostat’s sensors.

Dust and debris can interfere with your Nest’s sensors, causing it to register the wrong temperature. Carefully clean the sensors and check for any obstructions that might cause issues.

Step 5: Reset the Thermostat

If all else fails, try resetting your Nest thermostat.

Sometimes the best solution is to start fresh. A factory reset can often resolve persistent issues. Remember that this will erase all your settings, so you’ll need to set up your schedule and preferences again.

After completing these steps, your Nest thermostat should maintain a consistent temperature according to your preferences and routines. If the problem persists, it may be time to contact Nest support for further assistance.

Tips for Managing Your Nest Thermostat’s Temperature

  • Ensure your home’s Wi-Fi is stable, as Nest thermostats rely on an internet connection to function properly.
  • Regularly clean your thermostat to prevent dust build-up that can affect temperature readings.
  • If you have pets or children, make sure they aren’t accidentally adjusting the thermostat settings.
  • Use the Nest app to remotely monitor and adjust your home’s temperature.
  • Consider setting up a separate guest schedule if you frequently have visitors who may have different temperature preferences.

Frequently Asked Questions

Why does my Nest thermostat change temperature by itself?

Your Nest thermostat may change temperature due to an incorrect schedule, a software glitch, or environmental factors affecting its sensors.

Can a Nest thermostat be hacked?

While it’s uncommon, any device connected to the internet has the potential to be hacked. Ensure your home’s Wi-Fi network is secure and regularly update your thermostat’s software.

How often should I check my Nest thermostat’s schedule?

It’s a good idea to review your schedule seasonally or if there are changes in your routine.

What should I do if resetting doesn’t fix the problem?

If a factory reset doesn’t resolve the issue, contact Nest customer support for further troubleshooting.

Can moving my Nest thermostat to a different location help?

Yes, if the thermostat is in a location with fluctuating temperatures or direct sunlight, moving it to a more consistent environment can help.


  1. Check the Nest thermostat’s schedule.
  2. Ensure the thermostat’s software is up to date.
  3. Assess the thermostat’s placement.
  4. Clean and inspect the sensors.
  5. Reset the thermostat if necessary.


Dealing with a Nest thermostat that keeps changing temperature can be a bit of a headache, but it’s usually fixable with some simple troubleshooting steps. Whether it’s adjusting the schedule, checking for updates, or evaluating the device’s location, these solutions are designed to help you regain control over your home’s climate. If all else fails, don’t hesitate to reach out to Nest’s customer support for professional assistance. Remember, the key to a comfortable home is a well-managed thermostat. Keep your Nest device in check, and you’ll be well on your way to a cozy, predictable living space.