We're Columbus's Primary Geothermal Contractor! Columbus, Ohio, residents have all sorts of reasons for desiring a geothermal heating and cooling system: remarkable comfort all year – no matter how crazy the seasonal variations smooth operating efficiency energy efficiency (They would look forever to find a more "green," more natural way to heat and cool their homes!) significant – often extraordinary – savings on their energy bills premium installation and service from Fairfield Heating & Cooling, Columbus's geothermal experts. Discover more about what a geothermal heating and cooling system can do to increase your family's comfort. Look at our Geothermal Savings Calculator. Then contact Fairfield Heating & Cooling. We sell, install, and service WaterFurnace geothermal systems, the finest in the industry today.