Geothermal Benefits Okay. So maybe we are a tiny bit biased. But we at Smith and Associates Geothermal find it hard to think of anyone in Knoxville who couldn't benefit from a WaterFurnace geothermal heating and cooling system. WaterFurnace geothermal systems are proficient, energy-conserving, and eco-friendly heat pumps Knoxville homeowners - or anyone - can buy. With a WaterFurnace geothermal system from Smith and Associates Geothermal, you'll see... Lower operating costs. A WaterFurnace geothermal heat pump works a lot more proficiently than ordinary heating and cooling systems. More comfort. Our geothermal systems distribute air with amazing precision, getting rid of 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 break standard heat pumps and air conditioners. Environmental harmony. Given that our geothermal systems are earth friendly heat pumps, emitting no carbon dioxide, carbon monoxide, or other greenhouse gasses. No wonder more and more homeowners in the Knoxville area are switching to Smith and Associates Geothermal for their WaterFurnace geothermal needs.