Geothermal Benefits Okay. So maybe we are a tiny bit biased. But we at Bullman Heating & Air find it hard to think of anyone in Western North Carolina who couldn't profit from a WaterFurnace geothermal heating and cooling system. WaterFurnace geothermal systems are among the most efficient, energy-saving, and environmentally friendly heat pumps Western North Carolina homeowners - or anyone - can buy. With a WaterFurnace geothermal system from Bullman Heating & Air, you'll reap... Lower operating costs. A WaterFurnace geothermal heat pump works a lot more proficiently than standard heating and cooling systems. Enhanced comfort. Our geothermal systems broadcast air with remarkable 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 subject to the rain, snow, ice, debris, temperature extremes, and vandalism that break standard heat pumps and air conditioners. Environmental stewardship. Given that our geothermal systems are eco-friendly environmentally conscious heat pumps, emitting no carbon dioxide, carbon monoxide, or other greenhouse gasses. This is why more and more people in the Western North Carolina area are turning to Bullman Heating & Air for their WaterFurnace geothermal needs.