Programmable thermostat including a feature for providing a running total for the cost of energy consumed during a given period for heating and/or cooling a conditioned space

摘要

A programmable thermostat having a touch screen liquid crystal display in which the power consumption of each heating/cooling component and the energy costs in the locality are entered by a user in order that the thermostat's control program can, upon demand, calculate and display the heating/cooling costs accrued beginning with a user-specified starting date.