Save Money with Geothermal Why not use the readily available energy located just a few feet underneath 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. Unsure of what that means to you? What you get is an efficient means to condition your Mitchell home - much less than what your friends and neighbors will pay. The geothermal products we install are the most proficient equipment in the industry today. So why not utilize the clean, renewable energy in your backyard and grab a hold of savings up to 70% on heating, cooling, and even hot water!