We're the Geothermal Experts in Mechanicsburg! At Geo Source One Inc., we are experts in WaterFurnace geothermal heating and cooling systems. Mechanicsburg residents understand that we offer... the top geothermal systems on the market today top-quality geothermal installation and maintenance the kind of support that helps them realize the full comfort and energy-savings expected from a geothermal system (Our Geothermal Savings Calculator will give you potential monetary savings. We believe you like what you see!) In Mechanicsburg, Ohio, we're clearly the geothermal heating and cooling contractor to call. Contact Geo Source One Inc. today.