Save Money with Geothermal Why not utilize the free energy located just a few feet beneath the surface of your own property? A WaterFurnace geothermal system can utilize one unit of electrical energy to extract an incredible five units of energy. But what does that mean for you? It means you can condition your Richmond home for far less than your neighbors and friends. The equipment we place in your home is the most economical geothermal products available. Homeowners can actually get savings up to 70% for heating, cooling, and hot water!