We're Montgomery's Primary Geothermal Contractor! Montgomery, New Jersey, residents have all kinds of reasons for wanting a geothermal heating and cooling system: exceptional comfort all year – no matter how crazy the seasonal variations smooth operating efficiency energy performance (They’d be hard-pressed to find a more "green," more natural way to heat and cool their homes!) significant – often extraordinary – savings on their energy bills superior installation and service from CMS Geothermal, Montgomery's geothermal professionals. Find out 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 CMS Geothermal. We sell, install, and service WaterFurnace geothermal systems, the finest in the industry today.