We're College Corner's Primary Geothermal Contractor! College Corner, Ohio, residents have all kinds of reasons for wanting a geothermal heating and cooling system: phenomenal year-round comfort – no matter how extreme the seasonal variations stable operating performance energy efficiency (They would look forever to find a more "green," more natural way to heat and cool their homes!) significant – sometimes extraordinary – savings on their energy bills premium installation and service from Bill Spade Electric, Heating & Cooling, College Corner's geothermal professionals. Discover more about what a geothermal heating and cooling system can do to improve your family's comfort. Check out our Geothermal Savings Calculator. Then contact Bill Spade Electric, Heating & Cooling. We sell, install, and maintain heating & cooling geothermal systems, the finest available today.