We're Cecil's Primary Geothermal Contractor! Cecil, Maryland, homeowners have all kinds of reasons for wanting a geothermal heating and cooling system: exceptional year-round comfort – no matter how extreme the weather variations stable operating performance 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 Ground Loop Heating & Air Conditioning, Inc, Cecil's geothermal experts. Find out more about what a geothermal heating and cooling system can do to increase your family's comfort. Check out our Geothermal Savings Calculator. Then contact Ground Loop Heating & Air Conditioning, Inc. We sell, install, and service WaterFurnace geothermal systems, the finest on the market today.