Residential Water Heating
A. O. Smith manufactures ENERGY STAR® certified water heaters, including pressure tanks, parts, and accessories to ensure you have a steady supply of hot water when you need it. Choose a gas or electric, tank or tankless, hybrid heat pump, or combi boiler with our easy, convenient Water Heater Selector.
*When filing a federal tax return, include A. O. Smith's Qualified Manufacturer Code A5X5 on tax form 5695.
A. O. Smith Receives 2025 Silver Edison Award for Sustainable Consumer Product Innovation Learn More >
Residential Water Heaters
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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.
*When filing a federal tax return, include A. O. Smith's Qualified Manufacturer Code A5X5 on tax form 5695.
Need Help From A Pro?
A. O. Smith water heaters are professionally installed by local independent contractors.
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X3® Scale Prevention Technology
Prevent scale build-up to reduce regular maintenance and extend the life of your water heater by up to 300%.
Pressure Tanks
Parts & Accessories
Water Heater Resources
Interactive tools, product manuals, warranty information, the A. O. Smith mobile app, and more.
