Residential Water Heaters Specification Version 5.0

Version 5.0 ENERGY STAR specification for Water Heaters is currently under development. Materials related to this revision process are provided below. Partners and other interested parties with questions or concerns regarding these materials or the revision process can contact Abigail Daken, EPA, at or

ENERGY STAR Version 5.0 Residential Water Heater Draft 1 Specification Webinar - October 13, 2021