EPA is currently developing a new product specification for commercial water heaters. Partners and other interested parties who would like to participate in this process are encouraged to send their contact information to CommercialWaterHeaters@energystar.gov to be added to the distribution list for specification development updates. This webpage will be updated periodically as new information becomes available.
March 20, 2013 - ENERGY STAR Commercial Water Heaters Final Specification and Memo
Comments on the Updated ENERGY STAR Commercial Water Heaters Final Draft - February 2013
January 17, 2013 - Final Draft Comment Matrix
January 16th, 2013 - ENERGY STAR Commercial Water Heaters Updated Final Draft Specification and Memo
January 4th, 2013 - Stakeholder Comments on the ENERGY STAR Commercial Water Heaters Specification Final Draft
December 6th, 2012 - ENERGY STAR Commercial Water Heaters Final Draft Specification and Memo
October 18th, 2012 - Stakeholder Comments on the ENERGY STAR Commercial Water Heaters Specification Draft 1
ACEEE Comments 
(59.9KB)
(59.9KB)AHRI Comments (142KB)
(142KB)AO Smith Comments (54.3KB)
(54.3KB)Bradford White Comments (54.3KB)
(54.3KB)CEEETWH Comments (235KB)
(235KB)Intellihot Comments (91.7KB)
(91.7KB)Keltech Comments (121KB)
(121KB)NYLE Comments (9.98KB)
(9.98KB)Rheem Comments (95.1KB)
(95.1KB)September 10, 2012: Commercial Water Heaters V 1.0 Draft 1.0 Webinar
ENERGY STAR Commercial Water Heater Specification Draft 1 Version 1.0 - August 28th, 2012