Why Geothermal Free & renewable source of energy - It's already there begging to be used Geothermal energy is the better way to heat and cool your home or business - it's efficient, cost-effective, and protects the environment. It's hard to get much greener than with WaterFurnace. Just ask the EPA — they confirmed geothermal energy is the most environmentally friendly heating and cooling system. Or ask the U.S. National Renewable Energy Laboratory - they also concluded that geothermal energy is more economical and cost-effective than conventional residential systems. Or ask the federal, state, and local governments and utilities - they're providing many rebates and tax incentives that will go hand in hand with your investment in geothermal. Or, most importantly, 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 depend on the type of old system your new geothermal is replacing. However, geothermal will always be smarter, more cost effective and eco-friendly. Want to know how much you can expect to save on your energy costs with a geothermal system in Green Bay, Van's Refrigeration? Find out with our geothermal savings calculator!