Patent ID: 8695887
Filing Date: 2014-04-15
Classification: F24D,G05D

Abstract:
1. In an air conditioning system for providing conditioned air to an enclosed space, a method for compensating for a temperature differential between an outdoor temperature and an indoor temperature of the enclosed space having a predetermined amount of window or glass wall area as a percentage of a total wall area defining said enclosed space exposed to said outdoor temperature, said system including a thermostat including a microcontroller, an indoor temperature sensor for measuring the indoor temperature and an outdoor temperature sensor for measuring the outdoor temperature that is exposed to a structure defining said enclosed space, said method comprising: determining the amount of window area or glass as a percentage of the total wall area defining said enclosed space; determining the temperature differential between the indoor temperature of the enclosed space and the outdoor temperature exposed to the structure defining said enclosed space; adjusting one of said measured indoor temperature and a setpoint temperature of said thermostat by a predetermined offset dependent on said differential temperature and said window area; and measuring a rate of change of the temperature differential between the indoor temperature and the outdoor temperature and adjusting said offset dependent on said rate of change of the temperature differential.