Southeast Minnesota Looks to Us for Geothermal Heating & Cooling! We're Johnson Comfort Systems, Inc.. And we're distinguished throughout Southeast Minnesota, Minnesota, for our geothermal heating and cooling knowledge. People look to us for ... first-class geothermal system installation and service qualified, highly trained personnel who know every detail of geothermal heating and cooling - and know how to help you understand geothermal systems from one of the industry's most trusted names - WaterFurnace recommendation on how to maximize the potential from their geothermal heating and cooling installation Obviously, a big reason people look to us to begin with is for the savings they can get on their energy bills with a geothermal system. Want a snap shot? Give our Geothermal Savings Calculator a go. Then push forward with the next step and contact Johnson Comfort Systems, Inc.. We'll walk you through more of what makes geothermal systems the optimum choice for year-round heating and cooling comfort in Southeast Minnesota.