Electronic control and method for increasing efficiency of heati
Electronic control system for a gas-fired/hot air furnace with i
Electronic humidity control
Electronic thermostat employing adaptive cycling
Electronic thermostat having safety feature
Electronic thermostat with switched power converter
Emergency heating system control circuit
Energy and peak-load conserving thermostat and method with contr
Energy saving furnace controller
Energy saving override blower control for forced air systems
Energy-conserving thermostat and method
Environmental controller for a sealed structure