Geothermal Benefits Okay. So maybe we are a tiny bit biased. But we at Custom Climate Heating & Air are hard-pressed to think of anyone in Charleston who couldn't profit from a WaterFurnace geothermal heating and cooling system. WaterFurnace geothermal systems are among the most proficient, energy-conserving, and environmentally friendly heat pumps Charleston homeowners - or anyone - can buy. With a WaterFurnace geothermal system from Custom Climate Heating & Air, you'll reap... Lower operating costs. A WaterFurnace geothermal heat pump operates a lot more effectively than ordinary heating and cooling systems. Enhanced comfort. Our geothermal systems circulate air with remarkable precision, getting rid of hot and cold spots all year long. Quiet operation. Think of it: there's no loud outdoor unit! Reliable performance. Given their indoor installation, our geothermal systems aren't subject to the rain, snow, ice, debris, temperature extremes, and vandalism that break traditional 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 Charleston area are turning to Custom Climate Heating & Air for their WaterFurnace geothermal needs.