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ENERGY STAR® Certified Products

A. O. Smith is proud to be part of the ENERGY STAR® program with many of our high-efficiency water heaters and other products.

Energy Star Products

ENERGY STAR® Certified Water Heaters

Sponsored by the U. S. Environmental Protection Agency and the Department of Energy, the ENERGY STAR® program promotes environmentally conscious products, which often can translate into savings for homeowners. We are pleased to announce that the following A. O. Smith high-efficiency water heaters have been recognized as ENERGY STAR® certified water heaters. These are ideal hot water solutions for the homeowner looking to go green and save green.


A. O. Smith Corporation certifies the following information related to tax credits provided under the Taxpayer Certainty and Disaster Tax Relief Act of 2019. Each A. O. Smith water heater model listed is a natural gas, propane, or oil water heater that has a Uniform Energy Factor of at least 0.82 or has a thermal efficiency of at least 90%. Accordingly, each is Qualified Energy Property and, when placed into service on or after January 1, 2017 and on or before December 31, 2021, each qualifies for the $300 tax credit allowed under Section 25C of the Internal Revenue Code. If you have claimed previous tax credits in excess of $500, you cannot claim any credit for improvements installed in 2017 or after.

High Efficiency Water Heater Models

Gas Tanks

Gas Tank ENERGY STAR® Water Heaters

ENERGY STAR® certified gas tank water heaters provide energy savings without sacrificing performance and reliability of A. O. Smith residential products.

Electric Heat Pumps

Electric Tank ENERGY STAR® Water Heaters

Simple to install and providing an ease of use, ENERGY STAR® certified electric tank water heaters provide your home with A. O. Smith quality and reliability.

Commercial Products

Commercial ENERGY STAR® Water Heaters

ENERGY STAR® certified commercial products from A. O. Smith provide businesses the quality and permanence they need with the energy savings they want.

Gas Tankless products

Gas Tankless ENERGY STAR® Water Heaters

Saving space and energy A. O. Smith Gas Tankless ENERGY STAR® certified water heaters provide hot water on demand while using up to 50 percent less energy than tank units.

Combination Boilers

Combi Boiler ENERGY STAR® Water Heaters

Providing an unlimited supply of hot water on demand, A. O. Smith Gas Tankless ENERGY STAR® certified Combi Boilers take up less space than conventional heating systems and save energy and money in homes with limited room.

Electric Heat Pump

Hybrid Heat Pump ENERGY STAR® Water Heaters

A. O. Smith’s ENERGY STAR® certified Heat Pumps reduce your water heating costs significantly while also saving energy and dehumidifying and cooling the ambient air.