Emergency shutoff for air conditioners
Environmental control system fluid sensing system and method
Environmental control system fluid sensing system and method
Expansion device with low refrigerant charge monitoring
Freezing apparatus for liquid-filled pipelines
Freezing tank
Gas detector and method for refrigeration systems
Heat pump apparatus having refrigerant level indication and asso
Heat pump having an accumulator with refrigerant level sensor
Heat pump output indicator
Heat pump with single exterior temperature sensor
Heating, ventilation, air conditioner performance test system
Horizontal oil separator/reservoir
Hot gas cooler
Humidity-measuring device for use with an air conditioner
HVAC control and method for interpreting broad range of...
HVAC monitor and superheat calculator system
Ice machine with remote monitoring
Ice thermal storage control
Ice-thickness sensing device in refrigeration system