7. The thermostat of claim 6 , wherein the reference appliance data is at least one of updated and filled based on appliance data received from other appliances through other thermostats.
6. The thermostat of claim 2 , wherein the reference appliance data ( 55 ) is updated and/or filled based on experience from the maintenance person ( 30 ) and/or factory settings and/or appliance data from other appliances.