This article applies to the ecobee3, ecobee 3 lite and the ecobee4
You can change the name of your ecobee either at your ecobee thermostat or through the Web Portal.
Note: Please avoid using any special characters in the name you give your ecobee thermostat.
On the ecobee thermostat
Go to MAIN MENU > SETTINGS > PREFERENCES > THERMOSTAT NAME. You can choose from a list of common names, or if you scroll all the way down to the bottom, you’ll see the option to enter your own name.
Through the Web Portal:
Go to ecobee.com and log in with the email and password registered to your ecobee account. Then go to SETTINGS > PREFERENCES > THERMOSTAT NAME. From the drop-down menu, select CUSTOM NAME.