Geothermal Benefits Alright, we at O'Brien Service Company are finding it hard to believe that a WaterFurnace geothermal heating and cooling system is not right for you. Who couldn't benefit from one? That is the question we keep asking ourselves.Maybe we are a little bias but, we know the difference that it makes. If you are searching for the best heating & cooling system in the industry today, WaterFurnace geothermal heating and cooling systems are among the elite in efficiency, energy-conservation, and earth friendly heat pumps that homeowners in the Wilmington area - or anywhere - can buy. With a WaterFurnace geothermal system from O'Brien Service Company, you'll experience: Lower operating costs. A WaterFurnace geothermal heat pump operates much more proficiently than traditional heating and cooling systems. More comfort. Our geothermal systems distribute air with incredible accuracy, eliminating hot and cold spots all year long. Quiet operation. Think of it: there's no rackety 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 ordinary 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. No wonder more and more people in Wilmington are turning to O'Brien Service Company for their WaterFurnace geothermal needs.