AO Smith vs Bradford White Water Heaters
Updated February 23, 2026
Comparing AO Smith and Bradford White for Water Heaters — see how they stack up on price, warranty, certifications, and product range.
Side-by-Side Comparison
| Feature | AO Smith | Bradford White |
|---|---|---|
| Founded | Founded 1874 | Founded 1881 |
| Country | United States | United States |
| Price Tier | mid-range | premium |
| Warranty | 6-year standard warranty on residential models; 10-year on select ProLine series; commercial warranties vary by model | 6-year standard warranty; 8-year and 10-year options available on select models; lifetime tank warranty on select residential units |
| Certifications | 4 certifications | 4 certifications |
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
About Bradford White
Bradford White Corporation is an American-owned, employee-owned manufacturer of residential, commercial, and industrial water heating and storage solutions. Founded in 1881 and headquartered in Ambler, Pennsylvania, the company operates manufacturing facilities in Michigan, Minnesota, Massachusetts, New Hampshire, and Wisconsin. Bradford White distinguishes itself with a contractor-only distribution model — their products are not sold at big-box retailers, ensuring professional installation and support. Their proprietary Hydrojet Total Performance System and Vitraglas enamel tank lining are industry benchmarks for durability.
Known for: Professional-grade water heaters sold exclusively through licensed plumbing contractors with Hydrojet and Vitraglas technologies
Frequently Asked Questions
Is AO Smith or Bradford White better for water heaters?
Both are reputable brands. AO Smith is positioned in the mid-range price tier, while Bradford White is in the premium tier. Your choice depends on budget and specific feature needs.
Which brand has a better warranty?
AO Smith offers 6-year standard warranty on residential models; 10-year on select ProLine series; commercial warranties vary by model. Bradford White offers 6-year standard warranty; 8-year and 10-year options available on select models; lifetime tank warranty on select residential units.