We're Delaware's Primary Geothermal Contractor! Delaware, Ohio, homeowners have all kinds of reasons for desiring a geothermal heating and cooling system: exceptional year-round comfort – no matter how extreme the seasonal variations smooth operating efficiency energy performance (They would look forever to find a more "green," more natural way to heat and cool their homes!) significant – often outstanding – savings on their energy bills superior installation and maintenance from Patriot Air Comfort Systems, Delaware's geothermal professionals. Learn more about what a geothermal heating and cooling system can do to benefit your family's comfort. Look at our Geothermal Savings Calculator. Then contact Patriot Air Comfort Systems. We sell, install, and maintain heating & cooling geothermal systems, the very best available today.