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A. O. Smith water heaters are available through your local plumbing professional.

  Residential Water Heaters 

From high-efficiency ENERGY STAR® certified water heaters to economical standard efficiency gas water heaters, A. O. Smith has a complete line of natural gas and liquid propane tank water heaters to fit your needs. 

With commercial-grade components and innovative designs, A. O. Smith ProLine®, ProLine® Master and ProLine® XE products are built specifically to meet all of your hot water needs.

These residential products have been thoroughly tested in our labs to ensure that they last, and that means peace of mind for you and your family.

With hundreds of different products in our lineup, you’ll be sure to find the ideal water heater that will perform best based on how you and your family use hot water.

All A. O. Smith water heaters are backed by top-notch tank and parts warranties. Ask about our ProLine® Master products, which offer extended warranty protection.

A. O. Smith ProLine® water heaters are built with commercial-grade components for increased durability and reliability.

ProLine Gas Water Heaters offer a wide range of water heating solutions—from models that help you qualify for gas utility rebates to high recovery models ideal for large families with high demand for hot water. And, our specialty vent gas water heater options can be installed almost anywhere in your home because they can vent up to 40 feet. Our direct vent models feature two-pipe combustion systems that draw clean air from outside the home, eliminating any worries about indoor ventilation.

A. O. Smith ProLine electric water heaters are designed with the same blend of innovation and cutting-edge technology as our industry-leading commercial line.