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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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.
Dependable hot water for every home.
Dependable hot water with commercial grade components and enhanced warranty coverage.
Premium, high efficiency technology including Heat Pump, Tankless & More.
What Our Customers Are Saying
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.