2. The thermostat of claim 1 , wherein the thermostat is configured for receiving reference appliance data from the remote maintenance server and/or the thermostat and/or the remote controller.
2. The thermostat of claim 1 , wherein the thermostat is configured for receiving reference appliance data from the remote maintenance server and/or the thermostat and/or the remote controller. 3. The thermostat of claim 2 , wherein the appliance data over time is stored within at least one of the thermostat, the remote maintenance server, and the remote controller.