Includes eligibility criteria and partner commitments, which are required in order for your product to qualify for the ENERGY STAR label.
Provided below is a reference to histrocial DOE test methods for the water heater efficiency metrics Energy Factor, Thermal Efficiency, and Standby Loss.
View documents, data, and correspondence related to this version.
Residential Water Heaters Specification Version 3.0
Final Criteria Analysis (88KB)
Historical List: On April 16, 2015, the ENERGY STAR residential water heater specification changed.
Historical List: On July 1, 2013, the ENERGY STAR residential water heater specification changed. View the last list of residential water heaters that were qualified prior to the specification change.
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 www.energystar.gov/3rdpartycert.
Fact sheets, retail training materials, and other tools to help communicate the benefits of purchasing products that have earned the ENERGY STAR.