Automatic multiple unit control apparatus
Automatic temperature controller with night setback and operatin
Automatic temperature setback system for controlling a heating u
Automatic thermostat set-back control system
Battery operated thermostat timer with battery charging circuits
Battery operated thermostat timer with battery charging circuits
Battery powered thermostat
Charging circuit for battery in thermostat with battery operated
Clock thermostat apparatus for resetting the temperature of a sp
Clock thermostat apparatus having means for reducing the setback
Communicating thermostat
Compensation circuit for sensor lag to reduce undershoot and ove
Control arrangements for heating circuits
Control device with positive temperature coefficient impedance f
Control method and apparatus for air conditioners
Control method and apparatus for air conditioners
Control of heating and ventilation systems
Control system for automatic vending machines
Control system for efficient intermittent operation of building
Control system for environmental units