Residential Water Heaters
Replace your home’s old, inefficient water heater with an A. O. Smith ENERGY STAR® Certified model. Choose a gas or electric tank or tankless, hybrid heat pump, or combi boiler to enjoy a steady supply of hot water whenever you need it. Use our convenient Product Selector Tool to choose the right product for your home.
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Tankless with X3® Scale Prevention Technology
Our Gas Tankless Water Heaters with X3® Scale Prevention Technology require no scale related maintenance, and offer three times longer life compared to standard tankless.