A. O. Smith Water Heaters

A. O. Smith is a leading manufacturer of commercial and residential water heaters.

Take a moment to look through our water heating systems and find one that best meets your hot water needs.

Residential Gas Tank 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.

ProLine® Residential Electric Tank Water Heaters

The A. O. Smith ProLine® family of electric tank water heaters offers a wide range of innovative solutions with commercial grade technology for residential use.

Residential Gas Tankless Water Heaters

A. O. Smith offers a complete line of natural gas and liquid propane tankless water heaters for continuous hot water needs. Choose from ENERGY STAR® certified condensing models or non-condensing models.

ProLine® Residential Electric Tankless Water Heaters

A. O. Smith electric tankless water heaters are compact, easy to install, and offer continuous hot water when sized appropriately for your home.

ProLine® XE Residential Combi Boilers

A. O. Smith’s residential combination boiler provides ENERGY STAR® certified hot water and heating to a wide variety of home applications.

ProLine® XE Voltex® Hybrid Electric Heat Pump Water Heaters

A. O. Smith’s hybrid electric heat pump water heaters.

ProLine® Residential Solar Water Heater Tanks

A. O. Smith’s residential solar water heaters reduce utility costs while maintaining a steady supply of hot water to your home with a supplementary electric heating element when solar energy is not available.