A.O. Smith

America`s largest water heater manufacturer, A. O. Smith brings more than 150 years of history, innovation and American manufacturing expertise to developing industry-leading, high-efficiency water heating products that are designed, engineered and assembled in the U.S. From creating the industry standard glass lining in 1933, to introducing the first 95 energy efficient water heater in 1986, A. O. Smith has continuously led the water heating industry with a tradition of innovation for almost a century. Today the multi-generational, family-founded business offers a wide range of water heaters – from standard gas and electric water heaters to high efficiency heat pump and tankless models – to meet each home`s unique water heating needs.