Why Geothermal Use the current surplus of free & renewable energy just beneath the surface It's hard to get much greener than WaterFurnace. A smarter 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 Earth friendly heating and cooling system on the market today. Cost-effective - State, Federal and local government and utilities offer many tax breaks and rebates that makes your investment in geothermal a reasonable choice. Still not convinced? You can ask your neighbors - more and more people are changing 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 greener. Want to know the amount of money a geothermal system in Grand Forks Area, ND can save you in energy costs? Check out our geothermal savings calculator and learn more!