Warren Looks to Us for Geothermal Heating & Cooling! We're Ambient Geothermal. And we're distinguished throughout Warren, Minnesota, for our geothermal heating and cooling knowledge. People look to us for ... first-class geothermal system installation and service qualified, highly trained personnel who understand every aspect of geothermal heating and cooling - and know how to help you understand geothermal systems from one of the industry's most established names - WaterFurnace professional instructions on how to get the most from their geothermal heating and cooling installation Obviously, an important reason people look to us to begin with is for the savings they can appreciate on their energy bills with a geothermal system. Want a look? Give our Geothermal Savings Calculator a go. Then take the next step and contact Ambient Geothermal. We'll show you more of what makes geothermal systems the optimum choice for year-round heating and cooling comfort in Warren.