We're the Geothermal Source in Southwest Ohio! Southwest Ohio people in the know turn to Bill Spade Electric, Heating & Cooling for all their geothermal heating and cooling needs. They trust us to give not only the proper installation and service but also the insight to help them get the most from their geothermal systems. Considering a geothermal system of your own? Give our nifty little Geothermal Savings Calculator a try. Just fill-in your data and stand in awe of the results. Then, contact us, the Southwest Ohio, , geothermal experts at Bill Spade Electric, Heating & Cooling.