New Hampton, Iowa, Geothermal Johnson Comfort Systems, Inc. is the premier WaterFurnace geothermal contractor in New Hampton, Iowa. We'll help you comprehend all the advantages of geothermal heating and cooling. We’ll make sure your WaterFurnace system is correctly installed, too. And when it comes time for service? Nobody in New Hampton does it better! Contact Johnson Comfort Systems, Inc. today. Like a little sneak-peek at the savings a WaterFurnace geothermal heating and cooling system can give you? Use our simple Geothermal Savings Calculator.