Picture of the Honeywell RTH9580WF Wi-Fi thermostat, displaying its -Wi-Fi Setup- screen, with the thermostat's MAC address and CRC number covered.

How to Find Honeywell RTH9580WF Thermostat IP Address

Why would you need to know how to find Honeywell RTH9580WF thermostat IP address?  You check for a valid address to make sure the unit has a working connection with your WiFi network. Knowing that your t-stat is working with a valid IP is a valuable aid.  It helps in troubleshooting internet problems between your smart t-stat and the Honeywell Total Comfort Connect website.  With no IP address, you won’t be able to control it remotely (outside your home).

Further, You can find the t-stat’s MAC ID and MAC CRC values as well, using this same method.   How so?  These also appear on the same screen as the IP address.  And, you get to that screen the same way, whether searching for IP address, MAC, or CRC values.  You need the MAC numbers when registering your thermostat.  Again, you cannot control your thermostat remotely if you do not register it.

How to Find Honeywell RTH9580WF Thermostat IP Address: Step by Step

1. Go to the Thermostat’s Home screen

These thermostats sit at the Home screen by default, and will return there from any other screen after several minutes.

So the Home screen we see on our Honeywell RTH9580WF looks as follows.

Picture of the Honeywell RTH9580WF WiFi thermostat, showing its -Home- screen, with the -Menu-button highlighted.
Honeywell RTH9580WF WiFi thermostat, showing its -Home- screen, with the -Menu-button highlighted.

2. Tap the Menu Item

Then tapping the menu option brings up the main menu screen.

Picture of the -Menu- page. Showing the -WiFi Setup- button.
The -Menu- page. Showing the -WiFi Setup- button.

3. Tap the Wi-Fi Setup Menu Item to Continue with How to Find Honeywell RTH9580WF Thermostat IP Address

So use the scroll arrow keys (right side of the screen) to move down to the Wi-Fi Setup option.

We found ours though, and tapped it.  This brought up the following screen.

Picture of the -Wi-Fi Setup- screen. Showing the thermostat's MAC numbers covered.
The -Wi-Fi Setup- screen. Showing the thermostat’s MAC numbers covered.

In this example, looking at the Wi-Fi Setup screen above, we see that our thermostat IP address is 192.168.0.15.  Also, this screen shows the MAC values.  Note that these are unique to each thermostat.  Thus when registering, you should only use the numbers you find on the thermostat that you’re setting up.

4. Done with How to Find Honeywell RTH9580WF Thermostat IP Address !

Finally this completes how to find Honeywell thermostat IP address.  We hope this routine helps you debug any problems with your Honeywell thermostats.

Other Posts About the Honeywell RTH9580WF Thermostat

    1. Honeywell RTH9580WF WiFi Setup Instructions
    2. Change WiFi Network on Honeywell Smart Thermostat RTH9580WF
    3. How to Change Honeywell Thermostat Temperature Setting
    4. Change Time and Day on Honeywell RTH9580WF Thermostat, How To
    5. Connecting Amazon Echo Dot to Honeywell Thermostats

References

    1. Honeywell RTH9580WF Thermostat Official Product Page
    2. Where to Buy the Honeywell RTH9580WF Thermostat