You can restrict functions on your Thermostat in the Locks page of the App or Web Interface.
The following options are available:
Block Registration
Prevents the unit from being re-registered. Once your unit is set up, this should be enabled to stop others from registering the device.
Restrict Set Points
Prevents the target temperature from being adjusted on the Thermostat.
Min Set Point
Sets the lowest temperature allowed on the Thermostat. Note: This can still be overridden via the App or Web Interface.
Max Set Point
Sets the highest temperature allowed on the Thermostat. Note: This can still be overridden via the App or Web Interface.
Functions
Allows individual Thermostat functions to be locked, removing them from the device.