We're Leroy's Primary Geothermal Contractor! Leroy, Minnesota, residents have all sorts of reasons for desiring a geothermal heating and cooling system: phenomenal comfort all year – no matter how extreme the weather variations stable operating efficiency energy efficiency (They would look forever to find a more "green," more natural way to heat and cool their homes!) significant – often extraordinary – savings on their energy bills superior installation and service from Johnson Comfort Systems, Inc., Leroy's geothermal professionals. Discover more about what a geothermal heating and cooling system can do to benefit your family's comfort. Look at our Geothermal Savings Calculator. Then contact Johnson Comfort Systems, Inc.. We sell, install, and maintain WaterFurnace geothermal systems, the finest in the industry today.