Why Geothermal Use the existing surplus of free & renewable energy just beneath the surface It's hard to get much greener than WaterFurnace. A smarter alternative 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 offer many tax breaks and reductions that makes your investment in geothermal a wise 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 be more cost effective, wiser, and greener. How much can a geothermal system in the Greater Cincinnati, OH area save you in energy costs? Use our geothermal savings calculator to find out!