Piketon Looks to Us for Its Geothermal Needs We’re Combs Heating & Cooling, the recognized "go-to" team for Piketon, Ohio's geothermal heating and cooling. Piketon homeowners are turning to us for ... the finest WaterFurnace geothermal heating and cooling systems the best installation and service from highly skilled, highly trained professionals professional advice on how to get more out of their geothermal installations With a down economy, there's never been a opportune time to put a WaterFurnace geothermal system to work for you. And we're the ones to do it in Piketon, Ohio. Contact Combs Heating & Cooling today. Want to see just how big "going geothermal" could save you on your energy bills? Take a moment or two with our easy Geothermal Savings Calculator.