Geothermal is Big in Roseau! So many homeowners in Roseau, Minnesota are loving their geothermal heating and cooling system.We find it hard to believe that anyone wouldn't? Because of our seasonal temperature extremes and great ground conditions, our geothermal systems, are an excellent choice for year-round heating and cooling comfort. So, you still aren't persuaded? See how big you can save in Roseau with your own geothermal system with our handy Geothermal Savings Calculator. Now that you have seen just how much a geothermal system can reduce your monthly costs, do what so many other Roseau residents have done and contact the experts at Ambient Geothermal. Our professional staff are here to help you plan your geothermal system and install it the right way so that you will get the most out it.