Manhattan Geothermal Heating & Cooling Contractor In Manhattan, Kansas, the geothermal heating and cooling contractor to call is Ground Source, Inc.. Our geothermal expertise is second to none. And we offer the finest products available in Manhattan - or anywhere else, for that matter: WaterFurnace geothermal heating and cooling systems! Take a look at our Geothermal Savings Calculator. It'll tell you why so many homeowners are going geothermal. The monthly savings are huge! We can give you plenty of other good reasons, too. And when you’re ready install? We'll make sure that your WaterFurnace geothermal heating and cooling system is installed - and serviced – right! Contact Ground Source, Inc. today.