WaterFurnace is an American company pioneering sustainable energy solutions through geothermal technology. Since 1983, they’ve specialized in developing high-efficiency ground source heat pumps that harness the earth’s stable temperatures for superior heating, cooling, and hot water production.

Their product range includes award-winning systems like the variable-capacity 7 Series—the most advanced geothermal heat pump available—along with the Envision and 3 Series lines, hydronic units for radiant floor heating, and smart controls through their Symphony platform. With over one million installations across all 50 U.S. states and internationally, WaterFurnace has established itself as the leading residential geothermal manufacturer, helping homeowners reduce energy costs by up to 70% while delivering year-round comfort with minimal environmental impact.