Geothermal Benefits Alright, we at Sherman Co. LLC are finding it hard to believe that a WaterFurnace geothermal heating and cooling system is not right for you. Who couldn't profit from one? That is the question we continually ask ourselves.Maybe we are a little bias but, we know the difference that it makes. If you are searching for the premium heating & cooling system in the industry today, WaterFurnace geothermal heating and cooling systems are among the elite in effectiveness, energy-conservation, and environmentally friendly heat pumps that homeowners in the Des Moines area - or anywhere - can purchase. With a WaterFurnace geothermal system from Sherman Co. LLC, you'll see: Lower operating costs. A WaterFurnace geothermal heat pump works a lot more proficiently than ordinary heating and cooling systems. Enhanced comfort. Our geothermal systems distribute air with amazing accuracy, getting rid of hot and cold spots all year long. Quiet operation. Think of it: there's no noisy outdoor unit! Reliable performance. Given their indoor installation, our geothermal systems aren't susceptible to the rain, snow, ice, debris, temperature extremes, and vandalism that break ordinary heat pumps and air conditioners. Environmental harmony. Given that our geothermal systems are eco-friendly environmentally conscious heat pumps, emitting no carbon dioxide, carbon monoxide, or other greenhouse gasses. No wonder more and more people in Des Moines are turning to Sherman Co. LLC. The advantages of WaterFurnace geothermal heating and cooling systems are unbeatable!