AO Smith.

AO Smith Water Heaters

We are the 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.

AO Smith tank water heaters.

Residential Gas Tank Water Heaters


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



ProLine® Residential Electric Tank Water Heaters


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


AO Smith tank water heaters.

Residential Gas Tankless Water Heaters


AO 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


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


AO Smith combi boiler.

ProLine® XE Residential Combi Boilers


Our residential combination boiler provides ENERGY STAR® certified hot water and heating to a wide variety of home applications.
AO Smith hybrid  water heater.

ProLine® XE Voltex® Hybrid Electric Heat Pump Water Heaters


We also offer hybrid electric heat pump water heaters.
AO Smith solar water heater.



ProLine® Residential Solar Water Heater Tanks


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.