Geothermal/Geo-Exchange Equipment

Heat pumps that uses the ground to transfer heat to and from the refrigerant in the unit. The unit circulates water through a heat exchanger in to a closed loop buried in the ground or by pumping water from a well through the unit.

Gum Lip

A method of sealing a flashing to a wall surface whereby the top edge of the flashing is bent outwards to form a sealant-filled reveal (typically at the vertical termination of a waterproof membrane).