Minong Looks to Us for Its Geothermal Needs We’re Geothermal North, the distinguished "go-to" team for Minong, Wisconsin's geothermal heating and cooling. Minong residents look to us for ... the best WaterFurnace geothermal heating and cooling systems the best installation and service from highly skilled, highly trained professionals professional advice on how to get more out of their geothermal installations With the economy like it is, there's never been a better time to put a WaterFurnace geothermal system to work for you. And we're the ones to do it in Minong, Wisconsin. Contact Geothermal North today. Want to see just how big "going geothermal" could save you on your energy bills? Take a moment or two with our simple Geothermal Savings Calculator.