Geothermal Benefits Okay. So maybe we are a little biased. But we at D&W Mechanical are hard-pressed to think of anyone in Traverse City who couldn't benefit from a WaterFurnace geothermal heating and cooling system. WaterFurnace geothermal systems are proficient, energy-saving, and earth friendly heat pumps Traverse City homeowners - or anyone - can buy. With a WaterFurnace geothermal system from D&W Mechanical, you'll reap... Lower operating costs. A WaterFurnace geothermal heat pump operates a lot more efficiently than ordinary heating and cooling systems. More comfort. Our geothermal systems broadcast air with amazing precision, eliminating hot and cold spots all year long. Quiet operation. Think of it: there's no loud outdoor unit! Proven performance. Given their indoor installation, our geothermal systems aren't susceptible to the rain, snow, ice, debris, temperature extremes, and vandalism that knock out traditional heat pumps and air conditioners. Environmental stewardship. Given that our geothermal systems are naturally green heat pumps, giving off no carbon dioxide, carbon monoxide, or other greenhouse gasses. No wonder more and more people in Traverse City are switching to D&W Mechanical. The advantages of WaterFurnace geothermal heating and cooling systems are unbeatable!