
AO Smith
"Innovative Water Solutions"
About AO Smith
A. O. Smith Corporation is one of the world's leading manufacturers of residential and commercial water heating equipment, headquartered in Milwaukee, Wisconsin since its founding in 1874. The publicly traded company (NYSE: AOS) has grown through strategic acquisitions to own major brands including State Water Heaters, Lochinvar, Takagi, Reliance, and Aquasana. A. O. Smith also operates one of the largest water treatment businesses globally, with significant market presence in North America, China, and India.
Known for: Industry-leading water heaters including the Vertex high-efficiency line, Cyclone commercial series, and pioneering heat pump water heaters
Product Categories
Water Heaters
A. O. Smith is an industry leader offering a complete range of residential and commercial water heaters including tank, tankless, heat pump, and solar models. Their Vertex line achieves up to 96% thermal efficiency, and the Cyclone series is a commercial workhorse. ProLine and Signature series cover standard residential needs with strong warranty support.
Water Treatment
Through its Aquasana brand and growing water treatment division, A. O. Smith offers whole-house filtration, reverse osmosis, and water softening systems for residential customers seeking clean, great-tasting water.
Certifications & Standards
Warranty
6-year standard warranty on residential models; 10-year on select ProLine series; commercial warranties vary by model
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Common Problems
Frequently Asked Questions
What does AO Smith make?
A. O. Smith Corporation is one of the world's leading manufacturers of residential and commercial water heating equipment, headquartered in Milwaukee, Wisconsin since its founding in 1874. The publicly traded company (NYSE: AOS) has grown through strategic acquisitions to own major brands including State Water Heaters, Lochinvar, Takagi, Reliance, and Aquasana. A. O. Smith also operates one of the largest water treatment businesses globally, with significant market presence in North America, China, and India.
What is AO Smith known for?
AO Smith is known for Industry-leading water heaters including the Vertex high-efficiency line, Cyclone commercial series, and pioneering heat pump water heaters.
What warranty does AO Smith offer?
AO Smith offers 6-year standard warranty on residential models; 10-year on select ProLine series; commercial warranties vary by model.
Where is AO Smith headquartered?
AO Smith is headquartered in Milwaukee, Wisconsin, Founded 1874.
Is AO Smith expensive?
AO Smith is positioned in the mid-range price tier of the market.
