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 plug in your data and get ready 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.