Heat pump system

Heat pump system with improved heat transfer

Heat storage sink

Heat transfer and building support system

Heat transfer system for the utilization of cavities dug in the

Heating a storage building

Heating and cooling apparatus for a building

Heating and cooling system

Heating system with a thermal pump

Installation for energy exchange between the ground and an energ

Insulated sub-surface liquid line direct expansion heat...

Interface equipment between a heat pump and a buried heat exchan

Long term thermal energy production, storage and reclaim system

Long-period thermal storage accumulators

Method and apparatus for cooling and warming pole-mounted electr

Method and apparatus for extracting heat from a natural water so

Method and apparatus for heating and cooling buildings

Method and apparatus for low-loss storage of thermal energy and

Method and means for applying a heat exchanger in a drill hole f

Method for altering the temperature of a premises and device for