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Sustainability and innovation have been key words throughout the 140 year history of A.O. Smith. Visit our website for more information about A.O. Smith.


There's nothing like hot water, and one company has been delivering the world's hot water for more than 80 years...A. O. Smith. But today's A. O. Smith is about more than hot water. We recently entered the water treatment industry to deliver clean water to consumers in China and other fast-growing parts of the world.