About Geothermal Concept Your Superior Geothermal Source in Central Minnesota You can depend on Geothermal Concept for all your WaterFurnace Central Minnesota geothermal heating and cooling needs, including... planning assistance. complete comfort system installation. routine service and maintenance. emergency repair. energy-saving advice and consultation. Our fully qualified professional staff is committed to the total satisfaction of customers throughout the Central Minnesota area. After all, you've picked the finest heating and cooling system available. We make certain each system continues to live up to the expectations of, increasing your home's conditioning efficiency and helping you reduce energy costs. Contact Geothermal Concept today to get a free estimate and a cost savings analysis for your home.