The Geothermal Name to Trust in Duluth Forgive the over confidence, but that would be us: Geothermal North! Duluth, Minnesota, homeowners have been turning to us to satisfy their geothermal heating and cooling needs for years, now. We'd like to earn your confidence, too. If you've been wanting to "go geothermal" but have put it off, you can certainly trust us on this: given today's shifting economy, there's never been a better time to find out the savings a geothermal heating and cooling system can offer. Want proof? Do a little simple math with our Geothermal Savings Calculator. Then contact Geothermal North for the finest geothermal system installation and service in Duluth - and beyond! Oh ... and talk about trust: We install geothermal heating and cooling systems by WaterFurnace. That's a name that resounds in the geothermal industry.