Why Geothermal Free & renewable source of energy - It's already there begging to be used It's hard to get much greener than WaterFurnace. The best method to heat and cool your home or business, geothermal is... Efficient - With the U.S. National Renewable Energy Laboratory confirming that geothermal heating and cooling is more efficient than classic residential systems, it only makes sense. Environmentally friendly - The EPA determined that geothermal energy is the most eco-friendly heating and cooling system in the industry today. Cost-effective - State, Federal and local government and utilities provide many tax incentives and discounts that makes your investment in geothermal a well-informed choice. Still not convinced? You can ask your neighbors - more and more people are switching to geothermal and love it! Energy and cost savings will vary by region and the type of system geothermal is replacing, but geothermal will always save you more money, smarter, and environmentally friendly. Want to know how much a geothermal system in Big Rapids, MI can save you in energy costs? Check out our geothermal savings calculator and learn more!