Apparatus and methods for controlling fan operation
Apparatus and methods for variable furnace control
Apparatus for actuating the temperature setting means of a water
Apparatus for and a method of air conditioning vehicles by contr
Apparatus for automatically starting a pellet furnace
Apparatus for automatically ventilating buildings such as winter
Apparatus for computing recognized value of amount of solar radi
Apparatus for conditioning air in automotive vehicle
Apparatus for controlling air conditioners for automobiles
Apparatus for controlling air-mix door in automobile air-conditi
Apparatus for controlling fluid temperature
Apparatus for controlling rotational speed of radiator fan
Apparatus for controlling the passage of a liquid
Apparatus for controlling the water temperature of a spa
Apparatus for controlling unit ventilators
Apparatus for controlling ventilation fan
Apparatus for detecting a failure of a thermostat for an engine
Apparatus for heating and ventilating
Apparatus for mixing cold and hot water, and for distributing th
Apparatus for mixing high and low pressure air from a jet engine