Version 4.0 ENERGY STAR specification for Water Heaters is currently under development. Materials related to this revision process are provided below. This process will encompass and supersede the ongoing Version 3.3 specification development process to add optional connected criteria. Materials related to the Version 3.3 revision can be referenced here. Partners and other interested parties with questions or concerns regarding these materials or the revision process can contact Abigail Daken, EPA, at Daken.Abigail@epa.gov or Waterheaters@energystar.gov.
ENERGY STAR Final Version 4.0 Residential Water Heaters Specification and Test Method to Validate Demand Response, Version 1.1 – March 29, 2022
ENERGY STAR Version 4.0 Water Heaters Final Specification and Test Method to Validate Demand Response – Monday, April 5, 2021
Thursday, March 4, 2021
Stakeholder comments to the Version 4.0 Final Draft Water Heater Specification & Final Draft Test Method to Validate Demand Response
ENERGY STAR Water Heaters Final Draft Version 4.0 Specification and Test Method to Validate Demand Response- Thursday, February 4, 2021
Stakeholder Comments to the Version 4.0 Draft 1 Water Heater Specification & Draft 2 Test Method to Validate Demand Response- December 9, 2020
Draft 1 Version 4.0 Specification & Draft 2 Test Method Webinar- November 20, 2020
Please click here to view the webinar recording.