Houghton Lake, Michigan, Geothermal Nicholson Heating & Cooling is the premier WaterFurnace geothermal contractor in Houghton Lake, Michigan. We'll help you understand all the advantages of geothermal heating and cooling. We’ll see to it that your WaterFurnace system is properly installed, too. And when it comes time for service? Nobody in Houghton Lake does it better! Contact Nicholson Heating & Cooling today. Like a little sneak-peek at the savings a WaterFurnace geothermal heating and cooling system can give you? Use our simple Geothermal Savings Calculator.