How to Reset a Honeywell Thermostat: A Step-by-Step Guide [2025]

Introduction

Honeywell thermostats are popular for their reliability, energy efficiency, and ease of use. However, there are times when you may need to reset your thermostat, whether itโ€™s due to a system error, connection issue, or simply reconfiguring your settings.

Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, Gray

This guide covers how to reset different types of Honeywell thermostats, including programmable, non-programmable, Wi-Fi, and smart models.

Why Reset a Honeywell Thermostat?

There are several reasons why you may need to reset your thermostat:

โœ… Fixing malfunctions โ€“ If your thermostat is not responding or is displaying incorrect temperatures
โœ… Wi-Fi connection issues โ€“ For smart thermostats that wonโ€™t connect to Wi-Fi
โœ… Factory reset before selling or moving โ€“ Clears all custom settings
โœ… Reconfiguring schedule and settings โ€“ If you want to start fresh with a new program

How to Reset Different Honeywell Thermostats

Resetting a Non-Programmable Honeywell Thermostat

Models Covered: Honeywell 1000, 2000 series

Steps:

  1. Turn off the thermostat by switching it to the “Off” position.
  2. Remove the thermostat from the wall plate.
  3. Remove the batteries from the back.
  4. Insert the batteries in reverse polarity (negative to positive, positive to negative).
  5. Wait 10 seconds and put the batteries back in the correct way.
  6. Reattach the thermostat to the wall and turn it back on.

๐Ÿ”น Result: The thermostat will reset to factory settings.

Honeywell Home RTH2300B1038 5-2 Day Programmable Thermostat, White

Resetting a Programmable Honeywell Thermostat

Models Covered: Honeywell 4000, 6000, 7000 series

Steps:

  1. Press and hold the “Set” button until the screen changes.
  2. Locate the Reset option using the arrow buttons.
  3. Select Reset and confirm.
  4. The thermostat will restart and return to factory settings.

๐Ÿ”น Result: All custom schedules and settings will be erased.

Resetting a Wi-Fi-Enabled Honeywell Thermostat

Models Covered: Honeywell 8000 series, RTH6500WF, RTH9585WF, VisionPRO 8000

Factory Reset (Erases Wi-Fi & Settings)

  1. Press Menu on the thermostat screen.
  2. Scroll to Preferences and select it.
  3. Find Restore Factory Defaults and select it.
  4. Confirm the reset when prompted.

๐Ÿ”น Result: The thermostat will restart and require reconfiguration, including reconnecting to Wi-Fi.

Wi-Fi Reset Only (Keeps Other Settings)

  1. Press Menu, then go to Wi-Fi Setup.
  2. Select Reset Wi-Fi or Reconnect Wi-Fi.
  3. Follow the on-screen instructions to set up a new connection.

Resetting a Honeywell Smart Thermostat (T-Series & Lyric Models)

Models Covered: T5, T6, T9, T10, Lyric Round

Factory Reset

  1. Press Menu and go to Reset.
  2. Select Factory Reset and confirm.
  3. The thermostat will restart and clear all settings.

๐Ÿ”น Result: You will need to reconfigure schedules and Wi-Fi settings.

Wi-Fi Reset

  1. Press Menu, then go to Wi-Fi.
  2. Select Change Network or Reset Wi-Fi.
  3. Follow the instructions on the Honeywell Home app to reconnect.

Common Issues & Troubleshooting After Reset

After resetting your thermostat, you may encounter some issues:

1. Thermostat is not turning on
โœ… Ensure the thermostat is correctly reattached to the wall plate.
โœ… Check if the batteries are inserted properly (for battery-powered models).

2. Wi-Fi is not reconnecting
โœ… Restart your router and try reconnecting the thermostat.
โœ… Ensure you are using the correct Wi-Fi frequency (2.4GHz for most models).

3. System is not heating or cooling
โœ… Verify that the thermostat is set to the correct mode (Heat/Cool).
โœ… Check circuit breakers for the HVAC system.

Conclusion

Resetting a Honeywell thermostat is a simple process that can resolve a variety of issues, including malfunctions, connectivity problems, and incorrect settings. Whether you have a non-programmable, programmable, Wi-Fi, or smart thermostat, following the appropriate reset steps will ensure your device functions properly.