Save Money with Geothermal Why not utilize the free 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 pull out an phenomenal five units of energy. Not quite sure what that means to you? What you get is an proficient means to condition your West Branch home - much less than what your friends and neighbors will pay. The geothermal products we put in your home are the most proficient equipment available today. So why not utilize the clean, renewable energy in your backyard and realize savings up to 70% on heating, cooling, and even hot water!