We'll Help You Save with Geothermal in Preston! Want to find out just how big a geothermal heating and cooling system could cut your energy bills in Preston? Our handy Geothermal Savings Calculator will show you. Just fill-in your data and prepare to be satisfied. Obviously, to reap the full benefits of a geothermal system, you need the right system - and the right contractor to install and service it. You need a WaterFurnace system from Earth Energy Heating & Cooling Inc., the top geothermal heating & cooling contractor in Preston, Minnesota. Contact Earth Energy Heating & Cooling Inc. today and let us show you more of the advantages you'll love with a WaterFurnace geothermal heating and cooling system. We'll also walk you through why our installation and service have won a lot of geothermal converts in Preston.