How To Reset Honeywell Thermostat?

August 18, 2025
How To Reset Honeywell Thermostat?

Did you know that fewer than 1 in 5 U.S. homes currently use programmable or smart thermostats to control heating and cooling? Among them, Honeywell thermostats are some of the most popular because of their reliability and energy-saving features. But even the best devices can sometimes act up—maybe your screen freezes, your Wi-Fi disconnects, or your schedule settings go haywire. In those cases, knowing how to perform a Honeywell thermostat reset can save you time, money, and frustration.


In this guide, we’ll walk you through step-by-step instructions to reset different models of Honeywell thermostats, explain when and why you might need a reset, and share expert tips to keep your system running smoothly.


Why Resetting Your Honeywell Thermostat Matters


A reset is like giving your thermostat a “fresh start.” Whether you have a Honeywell home thermostat in manual, programmable, or smart form, it relies on internal software to control your HVAC system. Over time, bugs or incorrect settings can cause problems such as:


  • Incorrect temperature readings.

  • Wi-Fi connection failures.

  • Unresponsive touchscreen or buttons.

  • Broken heating or cooling schedules.

  • Unexpected power cycling.

Resetting helps restore factory settings, clear minor glitches, and get your thermostat back to optimal performance.


Types of Honeywell Thermostat Resets


Before you jump into the process, it’s important to know that not all resets are the same. Honeywell offers three main reset types:


  1. Soft Reset – Restarts the thermostat without erasing your settings (like rebooting your phone).

  2. Wi-Fi Reset – Removes your current network information so you can connect to a new network.

  3. Factory Reset – Erases all schedules, preferences, and Wi-Fi data, returning the device to its original settings.


How To Reset Honeywell Thermostat: Step-by-Step


Because Honeywell has different models, the reset process can vary. Here’s how to reset some of the most common types used in U.S. homes.


1. Resetting Honeywell T Series Thermostats (T5, T6, T9, T10)


These are popular Honeywell home thermostat models with Wi-Fi capability.


Factory Reset:


  1. Press and hold the Menu button.

  2. Scroll to Reset and select it.

  3. Choose Factory Reset.

  4. Confirm when prompted.

Wi-Fi Reset:


  1. Press Menu.

  2. Scroll to Wi-Fi and select Change Network.

  3. Follow the on-screen steps to reconnect.

2. Resetting Honeywell 6000 Series (Wi-Fi Models)


Factory Reset:


  1. Hold the Fan and Up Arrow buttons together.

  2. While holding, press and hold the Power button for about 5 seconds.

  3. Release all buttons—your thermostat should restart with factory settings.

3. Resetting Honeywell 8000 Series (Touchscreen Models)


Factory Reset:


  1. Tap System on the display.

  2. Hold the center blank box for 5 seconds.

  3. Use the number pad to enter 0710.

  4. Change the setting to 1 and press Done.

4. Resetting Honeywell 9000 Series (Wi-Fi Color Touchscreen)



Wi-Fi Reset:


  1. Press Menu → Wi-Fi Setup.

  2. Follow the prompts to connect to your network again.

Factory Reset:


  1. Press Menu.

  2. Scroll to Preferences → Restore Factory Defaults.

  3. Confirm to reset.

5. Resetting Non-Programmable Honeywell Thermostats


If you have a basic model without Wi-Fi or a touchscreen:


  1. Turn off the thermostat.

  2. Remove it from the wall plate.

  3. Take out the batteries.

  4. Put the batteries back in reverse polarity for 5 seconds.

  5. Remove them again and reinsert correctly.

  6. Reattach the thermostat to the wall and turn it back on.

When Should You Reset Your Honeywell Thermostat?


Resetting isn’t always the first solution. However, it can help in these situations:


  • You’re moving into a new home and want to clear the old owner’s settings.

  • Wi-Fi network changes (new router, new password).

  • System errors or glitches causing your thermostat to misbehave.

  • Energy-saving schedule isn’t working as expected.

  • Selling your home and need to restore default settings.

Tips to Avoid Frequent Resets


While a Honeywell thermostat reset is simple, doing it too often can be frustrating. Here’s how to prevent frequent issues:


  • Update firmware regularly using the Honeywell Home app.

  • Check HVAC filters—dirty filters can cause system strain and thermostat errors.

  • Keep your Wi-Fi stable to avoid repeated connection drops.

  • Avoid extreme temperature settings, which can cause system overload.

Troubleshooting After a Reset


Sometimes, even after a reset, problems can persist. If that happens:


  1. Check your HVAC system – The thermostat might not be the issue.

  2. Test your wiring connections – Loose wires can cause intermittent failures.

  3. Reconfigure your settings – After a factory reset, you’ll need to set your schedule again.

  4. Contact Honeywell Support – Use their official help center for model-specific guidance.


Honeywell Thermostat Reset Safety Notes


  • Always turn off the power to your HVAC system before handling wires or removing the thermostat.

  • If you’re unsure about wiring, call a licensed HVAC technician.

  • Keep track of your original settings before a factory reset—especially custom schedules.


Final Thoughts


Resetting your Honeywell thermostat is a quick way to solve many common issues—from Wi-Fi problems to temperature glitches. By following the right reset steps for your specific model, you can save time, energy, and avoid unnecessary service calls.


Need help with your thermostat or HVAC system? Contact GNV Heating and Air Conditioning for fast, reliable service today!


FAQs: Honeywell Thermostat


  • How do I know which Honeywell thermostat model I have?

    Check the model number printed on the back of the device or in the “About” section of your thermostat’s menu

  • Will resetting my Honeywell thermostat delete my schedules?

    Only a factory reset will erase schedules. Soft and Wi-Fi resets will keep them.

  • How often should I reset my Honeywell home thermostat?

    You should only reset it when troubleshooting problems or changing ownership.

  • Can a reset fix temperature inaccuracies?

    Yes, in many cases, a reset can correct software-related temperature errors.

  • What if my thermostat won’t turn back on after a reset?

    Check your HVAC power supply, circuit breakers, and batteries. If it still won’t turn on, contact a technician.

Disclaimer: The information on this website and blog is for general informational purposes only and is not professional advice. We make no guarantees of accuracy or completeness. We disclaim all liability for errors, omissions, or reliance on this content. Always consult a qualified professional for specific guidance.

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