We're the Geothermal Experts in Ann Arbor! At Haley Mechanical, we are experts in WaterFurnace geothermal heating and cooling systems. Ann Arbor residents know we provide... the top geothermal systems in the industry today finest geothermal installation and service the kind of support that helps them recognize the full comfort and energy-savings anticipated from a geothermal system (Our Geothermal Savings Calculator will give you potential monetary benefits. We think you like what you see!) In Ann Arbor, Michigan, we're unmistakably the geothermal heating and cooling contractor to call. Contact Haley Mechanical today.