Why Geothermal Free & renewable source of energy - It's already there just waiting to be used Geothermal energy is the better 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 determined geothermal energy is the most environmentally friendly heating and cooling system. Or ask the U.S. National Renewable Energy Laboratory - they also confirmed that geothermal energy is more economical and inexpensive than conventional 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 speak with 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, cheaper and greener. By using our savings calculator, you can discover how much a geothermal system in the Lane County, OR will cut your energy costs.