9. The thermostat of claim 1 , wherein the thermostat is further configured to receive an appliance error from the at least one appliance, generate at least one of a service request and a maintenance request, send a push notification to the remote controller, in response to at least one of the received appliance error, the generated service request, and the maintenance request, and wherein the thermostat is further configured to generate status information and to send the status information to the remote controller.
1. A thermostat for communicating with a remote maintenance server, said thermostat being configured to: receive and send network data from and to the remote maintenance server; receive and send remote controller data from and to a remote controller; receive and send appliance data from and to at least one appliance; and generate a request for appliance data from the at least one appliance to receive appliance data from the at least one appliance in response to the request for appliance data, wherein the at least one appliance corresponds to at least one of a heating, ventilation and air conditioning (HVAC) system, a domestic heating device, an air conditioning unit, a ventilation unit, or combinations thereof wherein the thermostat is further configured to store the appliance data over time and to predict an appliance error by comparing the stored appliance data over time with reference appliance data.