CLOSED-LOOP SYSTEMS

The term "closed-loop" is used to describe a geothermal heat pump system that uses a continuous loop of special buried plastic pipe as a heat exchanger. Read More

OPEN-LOOP SYSTEMS

The term "open-loop" is commonly used to describe a geothermal heat pump system that uses groundwater from a conventional well as a heat source in the winter and a heat sink in the summer. Read More