Save Money with Geothermal Why not utilize the free energy located just a few feet underneath the surface of your own property? A WaterFurnace geothermal system can use one unit of electrical energy to pull out an phenomenal five units of energy. Still not convinced? Look at it this way. You condition your Columbus home with free energy - for far less than your neighbors using conventional heating and cooling means. We install geothermal products that utilize that free, clean energy lying in your backyard. Grab a hold of savings up to 70% on heating and cooling your home - you can even heat your water for no cost during the summer!