Save Money with Geothermal Why not use the readily available 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 generate an extraordinary five units of energy. Still not convinced? Look at it this way. You condition your Southeast Missouri home with free energy - for far less than your neighbors using standard heating and cooling means. We put in your home geothermal products that put to use that free, clean energy lying in your backyard. Realize savings up to 70% on heating and cooling your home - you can even heat your water for free during the summer!