Green Bay Geothermal Heating & Cooling Contractor In Green Bay, Wisconsin, the geothermal heating and cooling contractor to call is Van's Refrigeration. Our geothermal expertise is second to none. And we provide the best products on the market in Green Bay - or anywhere else, for that matter: WaterFurnace geothermal heating and cooling systems! Try our Geothermal Savings Calculator. It'll tell you why so many homeowners are going geothermal. The monthly savings are big! We can explain to you plenty of other good reasons, too. And when you’re ready install? We'll see to it that your WaterFurnace geothermal heating and cooling system is installed - and serviced – correctly! Contact Van's Refrigeration today.