American Standard

Premium Features. Proven Performance.

While all water heaters basically look the same, it's what's inside that matters. When it comes to reliable, energy-efficient water heaters and water heater repair parts, no one comes close to matching the expertise and innovation of A.O. Smith®. Whether you need a gas water heater, electric water heater, or a tankless water heater, A.O. Smith® has a high-efficiency water heater model that's right for your property's needs and budget.

Shop A.O. Smith® Water Heaters

Water Heater Resource Guides

AO Smith Water Heaters: Features & Benefits

A.O. Smith®
Features & Benefits

Find out why A.O. Smith® is the only brand for property managers and maintenance professionals.

Water Heater Training Library

Water Heater
Training Library

We offer water heater video training specifically for facility engineers and property maintenance technicians.

About A.O. Smith®

For more than 70 years, millions of business owners, property managers, and maintenance pros have relied on A.O. Smith® for innovative and dependable hot water solutions. Headquartered in Milwaukee, Wisconsin, A.O. Smith® operates the world's largest water heater factory, and its selection of residential and commercial water heaters and storage tanks is unmatched. If you want water heaters designed to meet the needs of professional property managers, then A.O. Smith® is the brand for you.

A.O. Smith® Videos

A.O. Smith® — Innovation has a Name

Learn more about A.O. Smith® and how the company changed water heaters for the better.

A.O. Smith® Power Vent

See all the innovative features of the A.O. Smith® Power Vent water heater.

How A.O. Smith® Water Heaters Work

Curious about how a water heater works? This video shows you the complete process.