Residential Water Heaters Partner Page

Find Product Specifications(Are you a consumer? See For Consumers)

Includes eligibility criteria and partner commitments, which are required in order for your product to qualify for the ENERGY STAR label.

ENERGY STAR Version 4.0 Water Heaters Final Specification and Partner Commitments-March2022 (PDF, 585 KB)

ENERGY STAR Version 5.0 Water Heaters Final Specification and Partner Commitments (PDF, 516 KB) (Effective April 18, 2023)

Provided below is the test method used for determining product compliance with requirements for Demand Response (DR) functionality in the Version 4.0 ENERGY STAR Program Requirements for Residential Water Heaters (ENERGY STAR Specification).

ENERGY STAR Connected Residential Water Heaters Test Method to Validate Demand Response Version 1.2 (PDF, 366 KB)

View documents, data, and correspondence related to the version in development.

There are no new versions currently in development.

Applying for the ENERGY STAR

If your product meets our criteria, then apply for an ENERGY STAR label.

To qualify a new product, contact an EPA-recognized Certification Body (CB) to have the product's performance certified. A list of EPA-recognized CBs, as well as an overview of EPA's third-party certification procedures, is available at

ENERGY STAR and Connected Water Heaters

EPA is evaluating the market benefit of connected water heaters and whether it would be useful to include optional connected criteria in the Residential Water Heaters specification in the near future. Click here to learn more about a stakeholder discussion that EPA hosted in conjunction with the 2018 ACEEE Hot Water Forum.


Water Heater Sales Associate Training (PDF, 1.1 MB)

Appliance Program Guide for Energy Efficiency Program Sponsors (PDF, 198 KB)

Heat Pump Water Heater Fact Sheet (PDF, 69 KB)

Heat Pump Water Heater Sales Guide (PDF, 214 KB)

Training Offerings

Fact sheets, retail training materials, and other tools to help communicate the benefits of purchasing products that have earned the ENERGY STAR.

Learn more arrow icon