Disclosed is a temperature control system for airconditioners having air blend doors which are controlled by electrical signals related to the room temperature such that the amount of cool air to be reheated by a heater and the amount of cool air bypassing the heater have an appropriate proportion so...http://www.google.es/patents/US4456166?utm_source=gb-gplus-sharePatente US4456166 - Temperature control system for air conditioners
