The new Adapt premium gas tankless hot water heater image made to look like a swiss army knife


Ultra Flexible. Fewer Trips. More Savings.

Introducing the new Adapt™ Premium Condensing Gas Tankless Water Heaters with X3® Scale Prevention Technology.

Rebates & Tax Credits

Rebate and incentive programs provide savings to consumers for the purchase of water heaters that meet certain energy efficiency standards.

Find A Local Pro

A. O. Smith water heaters are professionally installed by local independent contractors.

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Water Heater Selector Quiz

Use our water heater selector to find the correct water heater for your home.

A. O. Smith ProLine® Water Heaters

The A. O. Smith ProLine® family of water heaters offers a wide range of innovative solutions for your unique lifestyle needs. Discover which product line meets your needs below.

What Our Customers Are Saying

Why A. O. Smith?

Market Leader

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

Commitment to Innovation

For more than 145 years, we’ve developed state-of-the art products that push new boundaries and improve the lives of our customers.

Best-In-Class Support

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

Unmatched Quality

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.

Learn more about A. O. Smith