honeywell thermostat not connecting to wifi

If your Honeywell thermostat not connecting to WiFi, then you should be prepared to investigate.

In most cases, the issue is related to a bad WiFI signal or a slow internet connection.

Regardless of where the problem is coming from, this post will guide you through the solution.

If your Honeywell thermostat is not connecting to the WiFi you should focus mainly on your router. If you have your smartphone nearby, share a hotspot and try connecting the thermostat to it. If it does connect then you should investigate and solve your network problem.

In case your thermostat does not connect even to another WiFi, then the problem is related to the device and not the WiFi itself.

Why Is My Honeywell Thermostat Not Connecting To WiFi?

If we exclude the possibility of a WiFi problem, there are quite a few cases in which your thermostat will not be able to connect.

1. Bad Settings

In case the thermostat’s settings were not configured properly you might have to reset them.

2. Application Issue

If there are application issues or the application is not currently available, you might be having connection issues.

3. Network Issue

Potential network issues such as slow WiFi or outage/maintenance going on with the ISP might stop the WiFi and your thermostat’s connection will fail.

4. Thermostat Problem

Lastly, the issue may be coming directly from your thermostat and you will have to reset its settings.

Now, without losing more time, let’s take a look at the best troubleshooting measures you can undertake in your situation.

How To Fix Honeywell WiFi Thermostat Not Connecting To WiFi?

fix honeywell thermostat not connecting to wifi

Before we proceed, we suggest trying to restart your thermostat if you haven’t done so yet.

This might be just enough to get the thermostat’s WiFi going and save you some time troubleshooting.

If a reboot wasn’t enough, then proceed with some of the following solutions.

Solution #1 Re-Connect To WiFi

Firstly, it is good to determine whether these WiFi connectivity drops of your thermostat will occur multiple times.

For this purpose, we suggest trying to reconnect to your network’s WiFi by following these steps:

  1. Make sure you have the original Honeywell Total Connect Comfort app installed on your phone.
  2. Follow the on-screen steps to set up the app if you still haven’t done it.
  3. Click on the “WiFi-SETUP” tab once the app is done to view the list of all possible connections.
  4. Click on your Wi-Fi network and insert the security key.
  5. The thermostat will display a waiting message until the connection is secured!

If you’re still getting disconnected, maybe the issue is with the app! Proceed with the solution down below to troubleshoot the Honeywell app.

Solution #2 Reinstall The App

If you’re unable to connect your Honeywell thermostat to WiFi, it is possible that the application is outdated, preventing simple features from working properly.

This is why we recommend reinstalling the app to deal with any corrupted data or bad packets it may be sending.

Note: Make sure that you’re downloading the property Honeywell app labeled “Honeywell Total Connect Comfort App”.

Here are the steps to reinstall the Honeywell app on your smartphone:

  1. Go to the storage unit of your smartphone.
  2. Write “Honeywell” and locate the app.
  3. Click on the delete button to delete the app.
  4. Head back to the AppStore, write “Honeywell” in the search field and install the first result.

Once it is installed back to your phone, open it and connect to your thermostat via Bluetooth.

Once you have access to its option, reconnect the thermostat to WiFi following solution #1.

Solution #3 Update The Firmware

Users report that the most recent firmware updates have the WiFi issues covered.

If your thermostat is unable to connect with WiFi, it is most likely that you’re running an outdated firmware version on your thermostat.

Here are the steps to update your thermostat:

  1. Open the Honeywell app on your phone.
  2. Head to the “firmware” tab.
  3. Click on “Scan for updates” and wait for the checker.
  4. If an update is available, click on the “Download Now” button to apply the update.

Your thermostat should restart once or twice during the update and afterward, you should be able to reconnect with the WiFi using solution #1.

Solution #4 Troubleshoot WiFi

In case you’ve identified issues with your WiFi, in this step, we will run the overall maintenance of your setup.

Follow the steps below to detect & troubleshoot any issues in your configuration.

1. Restart Router

Unplug your router’s power adapter for 5 minutes. Once the device feels cold on touch, reconnect the power adapter and test.

2. Reconnect ALL Cables

Reconnect all cables in your configurations and make sure all of them are plugged in tightly.

3. Switch to Another WiFi Frequency

Try connecting your thermostat to a different WiFi frequency of your network.

If you don’t have one, you can create it in the router’s settings, accessed by the router’s IP.

4. Reduce Network Traffic

Reduce your network’s bandwidth usage by disconnecting unused devices and reducing any high internet usage actions, such as downloading, uploading, and high-quality streaming.

5. Try Connecting the Thermostat to Smartphone Hotspot

Turn on the hotspot on your smartphone and connect the thermostat to determine whether the issue is with your own WiFi configuration or not.

How To Change WiFi Frequency?

Referring to the above-described Step #3, to create a separate WiFi frequency, you must access your router’s options by opening a web browser and searching for

On the login page, use “admin” and “password” for login credentials.

On most routers’ settings, the WiFi tab should be located in Advanced Network Settings.

From there you simply need to find the WiFi frequency and change it to 2.4GHz or 5GHz, depending on which one you’re currently using.

Lastly, restart the router to apply the changes and test if your Honeywell thermostat will now be able to connect to the network.

Solution #5 Open Access Doors

If the issue is still there, we recommend opening your HVAC system’s access doors for a little period of time.

Users report that this method has managed to fix WiFi issues more than once and the average time your access doors must remain open is about 5 minutes.

Open them up widely, set a timer for 5 minutes, and close them up once the timer reaches 0.

Then test if your thermostat will be able to connect to the WiFi and if it doesn’t let’s proceed with a more complex time of a reset.

Solution #6 Factory Reset The Thermostat

Lastly, if nothing worked, a factory reset will most certainly repair the WiFi connectivity of your thermostat.

Since your thermostat is digital, follow the steps down below to execute a factory reset:

  1. Eject your thermostat off the wall.
  2. Open the battery compartment and remove the batteries.
  3. Place them on the opposite side for 5 seconds.
  4. Take them out after 5 seconds and place them correctly before closing the compartment.

Your router will now boot with reset settings!

Read Next: How To Fix Honeywell Thermostat No Signal?

Bottom Line:

To fix a Honeywell thermostat’s WiFi connectivity, first hard reset the thermostat, make sure the batteries are good, and troubleshoot the network. Then, relocate your thermostat, update its firmware and perform a factory reset.

After learning more about why your Honeywell thermostat not connecting to WiFi, you should be able to easily resolve the issue with our easy solutions!

In the end, you can always get a second round of troubleshooting by contacting Honeywell about the issue!

Nicole B