Why Geothermal Use what's already there - free & renewable surplus of energy Geothermal energy is the smarter way to heat and cool your home or business - it's efficient, saves you money, and environmentally friendly. 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 determined that geothermal energy is more efficient and inexpensive than traditional residential systems. Or ask the federal, state, and local governments and utilities - they're providing many rebates and tax incentives that will only add to 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 the best option, more cost effective and environmentally friendly. By using our savings calculator, you can discover how much a geothermal system in the Myrtle Beach, SC will cut your energy costs.