Trust the Water Heater Experts
For almost 150 years, A. O. Smith has been committed to delivering innovative solutions that bring comfort to your home and business
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Rebates & Tax Credits
Rebate and incentive programs provide savings to consumers for the purchase of water heaters that meet certain energy efficiency standards.
Where to Buy
A. O. Smith water heaters are professionally installed by local independent contractors.
Not sure which product is right for you?
Use our water heater selector to find the correct water heater for your home.
Committed to Energy Efficiency
A. O. Smith Honored with Fifth Consecutive ENERGY STAR® Award, Third in Sustained Excellence
A. O. Smith, a leader in water heating and water treatment solutions, is proud to announce its 2023 ENERGY STAR® Partner of the Year Sustained Excellence Award from the U.S. Environmental Protection Agency and the U.S. Department of Energy.
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.
ProLine®
Dependable hot water for every home.
ProLine® Master
Dependable hot water with commercial grade components and enhanced warranty coverage.
ProLine® XE
Premium, high efficiency technology including Heat Pump, Tankless & More.
What Our Customers Are Saying
- 40,000 BTU input
- 81-gallon first hour rating
- 10-Year Warranty
“Excellent product. Happy with the product and would recommend it to my friends.�?
Merv1818 | Homeowner
- 4,500-watt elements
- 57-gallon first hour rating
- 6-Year Warranty
“Great features, easily adjustable temp settings. Product was as described, compact unit that fit in the mechanical closet as needed. Startup of the unit was simple and easy.�?
Ogren54 | Homeowner
- Endless Hot Water
- 199,000 BTU input
- 15-Year Warranty
“WOW! I've had other tankless heaters. This is easily the quietest and fastest in producing hot water. I am really impressed with the features and capability of the unit.�?
turboerik | Homeowner
Why A. O. Smith?
A. O. Smith is a leading manufacturer of both residential and commercial water heating technologies, including the #1 most specified commercial water heater.
For more than 145 years, we’ve developed state-of-the art products that push new boundaries and improve the lives of our customers.
We combine cutting-edge technology with committed people who take pride in providing the very best support for our customers.
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.