Why Geothermal Free & renewable source of energy - It's already there begging to be used Geothermal energy is the smarter way to heat and cool your home or business - it's efficient, cost-effective, and environmentally friendly. It's hard to get much greener than with WaterFurnace. Just ask the EPA — they concluded geothermal energy is the most environmentally conscious heating and cooling system. Or ask the U.S. National Renewable Energy Laboratory - they also confirmed that geothermal energy is more efficient and cost-effective 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 changing 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. By using our savings calculator, you can find out how much a geothermal system in the Dallas, TX will reduce your energy costs.