2026 Catalogues

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A.O. Smith

Customers look to A. O. Smith for innovative solutions to their water heating needs, a reputation they have enjoyed for nearly 80 years. 

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Trust the Water Heater Experts

A. O. Smith is a leading manufacturer of both residential and commercial water heating technologies, including the #1 most specified commercial water heater.

We combine cutting-edge technology with committed people who take pride in providing the very best support for our customers.

Our products are put through rigorous quality and endurance testing so now matter where hot water is needed, A. O. Smith can provide a solution you can count on.

Innovating for Tomorrow

Water Heating

When it comes to high efficiency water heaters, no one comes close to matching our expertise. Whether it’s a heat pump, gas, electric or tankless water heater, A. O. Smith has you covered. 

Water Treatment

From water filtration to water softening, our products are engineered to provide you with cleaner, safer water. 

A Global Leader in Innovative Technology

A. O. Smith is a globally recognized leader in water heating and water treatment solutions, with more than 145 years of innovation and engineering expertise. Known for its commitment to quality, reliability, and advanced technology, A. O. Smith develops innovative solutions designed to deliver clean, safe, and efficiently heated water for homes and businesses. From high-performance water heaters to advanced water treatment systems, A. O. Smith combines smart technology, energy efficiency, and dependable performance to meet the evolving needs of modern living. With a strong global presence and a long history of innovation, A. O. Smith continues to shape the future of water technology.