Drilling specializes in geothermal and hydro-fracture services, water wells, water filtration, pump installation and service, and irrigation well drilling. Our services are offered to both commercial and residential customers in the New Hampshire, Massachusetts, Rhode Island and Vermont regions. Gap Mountain Drilling provides the most efficient and highest quality geothermal heating and cooling systems. geothermal heat pump system consists of a heat pump, an air delivery system (ductwork), and a heat exchanger-a system of pipes buried in the shallow ground near the building. In the winter, the heat pump removes heat from the heat exchanger and pumps it into the indoor air delivery system. In the summer, the process is reversed, and the heat pump moves heat from the indoor air into the he