Whittemoore Looks to Us for Its Geothermal Needs We’re Nicholson Heating & Cooling, the recognized "go-to" team for Whittemoore, Michigan's geothermal heating and cooling. Whittemoore residents look to us for ... the best WaterFurnace geothermal heating and cooling systems the best installation and service from highly skilled, highly trained professionals sound advice on how to get more out of their geothermal installations With a down economy, there's never been a opportune time to put a WaterFurnace geothermal system to work for you. And we're the ones to do it in Whittemoore, Michigan. Contact Nicholson Heating & Cooling today. Want to taste and see just how big "going geothermal" could save you on your energy bills? Take a moment or two with our easy Geothermal Savings Calculator.