chefs in commercial kitchen

Commercial Water Heaters

A. O. Smith provides a large selection of commercial water heaters each delivering innovative functionality and efficient performance. We offer a wide selection of options, including gas, electric, heat pump, solar, oil, and tankless water heaters, all designed to meet the unique needs and demands of commercial applications.

Cyclone Water Heater

Cyclone XL:

The Best Just Got Bigger.

Introducing A. O. Smith’s Cyclone XL technology. The industry’s #1 most specified unit can now deliver up to 1 MM BTU’s for all of your large capacity needs.

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Parts & Accessories

Finding replacement parts and accessories for A. O. Smith's commercial water heater products is easy thanks to our wide selection and online parts portal.

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Commercial Technology Selector (Under Construction)

Not sure which commercial water heating technology is best? A. O. Smith's commercial technology selector quiz makes the decision easier to fit your unique commercial requirements.

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Water Heater Resources

Find detailed product literature, a water heater sizing tool, virtual training workshops, a product cross-reference tool, and other valuable information on our resource page. Partner with A. O. Smith to help your business thrive.

Never let your business

run out of hot water.

24/7 same-day water heater repair or replace for your business.

water heater sizing tool

Commercial Sizing Tool

Use our tool to size an A. O. Smith commercial water heater to meet your specs.

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