Patent ID: 8527096

Claim:
A programmable controller for controlling an HVAC system, comprising: a touch screen; and a processor subsystem coupled to said touch screen; said processor subsystem configured: 1) to generate a first interface that a) includes primary and secondary subinterfaces that together utilize substantially all of an available display area of said touch screen, and b) displays a set of one or more physical conditions produced by operation of said HVAC system and, 2) to generate, in response to a touch of said primary subinterface a second interface from which one or more thermostat settings for said HVAC system may be modified, and, 3) to generate, in response to a touch of said secondary subinterface a third interface from which one or more settings for said HVAC system may be modified, wherein an area of said primary subinterface configured to generate said second interface comprises an entirety of said primary subinterface with the exception of one or more displayed control buttons contained within said primary subinterface and configured to change one of said thermostat settings.