We're Brewster's Primary Geothermal Contractor! Brewster, Massachusetts, residents have all kinds of reasons for desiring a geothermal heating and cooling system: phenomenal comfort all year – no matter how extreme the seasonal variations stable operating efficiency energy efficiency (They would look forever to find a more "green," more natural way to heat and cool their homes!) significant – sometimes amazing – savings on their energy bills superior installation and service from Atlantic Well Drilling, Brewster's geothermal professionals. Discover more about what a geothermal heating and cooling system can do to benefit your family's comfort. Check out our Geothermal Savings Calculator. Then contact Atlantic Well Drilling. We sell, install, and service WaterFurnace geothermal systems, the finest in the industry today.