Why Geothermal Use the current storehouse of free & renewable energy just beneath the surface It's difficult 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 determining that geothermal heating and cooling is more efficient than well-known 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 reasonable 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, wiser, and greener. By using our savings calculator, you can discover how much a geothermal system in the Newton, New Jersey will cut your energy costs.