Pickerington, Ohio, Geothermal Geo Source One Inc. is the finest WaterFurnace geothermal contractor in Pickerington, Ohio. We'll help you comprehend all the advantages of geothermal heating and cooling. We’ll see to it that your WaterFurnace system is properly installed, too. And when it comes time for service? Nobody in Pickerington does it better! Contact Geo Source One Inc. today. Like a little sneak-peek at the savings a WaterFurnace geothermal heating and cooling system can provide? Use our easy Geothermal Savings Calculator.