Save Money with Geothermal Why not use the readily available energy located just a few feet below the surface of your own property? A WaterFurnace geothermal system can utilize one unit of electrical energy to generate an extraordinary five units of energy. Not quite sure what that means to you? What you get is an proficient means to condition your WISCONSIN-MINNESOTA home - much less than what your friends and neighbors will pay. The geothermal products we place in your home are the most dynamic equipment on the market today. So why not use the clean, renewable energy in your backyard and grab a hold of savings up to 70% on heating, cooling, and even hot water!