We'll Help You Save with Geothermal in Wisconsin! Want an idea of just how big a geothermal heating and cooling system could cut your energy bills in Wisconsin? Our simple Geothermal Savings Calculator will show you. Just fill-in your information and get ready to be satisfied. Of course, to get the maximum potential of a geothermal system, you need the right system - and the right contractor to install and service it. You need a WaterFurnace system from Van's Refrigeration, the best geothermal heating & cooling contractor in Wisconsin, Wausau. Contact Van's Refrigeration today and let us show you more of the advantages you'll love with a WaterFurnace geothermal heating and cooling system. We'll also show you why our installation and service have won a lot of geothermal converts in Wisconsin.