Residential Boilers Specification

The ENERGY STAR specification for residential boilers is currently under development. Materials related to this revision process are provided below. Partners or other interested parties with questions or concerns regarding these materials or the revision process can contact To be added to the product development e-mail distribution list, please send your full contact information to This webpage will be updated periodically as new information is received.

Stakeholder Comments on the ENERGY STAR Residential Boilers Discussion Guide

AGA Comments (PDF, 4.7 MB)

AHRI-HRAI-CIPH Comments (PDF, 176 KB)

AHRI-HRAI Comments (2) (PDF, 200 KB)

AO Smith Comments (PDF, 149 KB)

AO Smith Comments (2) (PDF, 214 KB)

ASAP-ACEEE Comments (PDF, 132 KB)

ASAP-ACEEE Comments (2) (PDF, 146 KB)

Atmos Energy Comments (PDF, 183 KB)

Bosch Comments (PDF, 127 KB)

Bradford White Comments (PDF, 177 KB)

Burnham Holdings Engineering Co Comments (PDF, 100 KB)

CEE Comments.pdf (PDF, 1.9 MB)

Chiltrix Comments (PDF, 132 KB)

Clean Fuels Alliance America Comments (PDF, 172 KB)

Daikin Comments (PDF, 1.0 MB)

Efficiency Vermont Comments (PDF, 175 KB)

EMA Comments (PDF, 296 KB)

Energy Kinetics Comments (PDF, 419 KB)

Frontier Energy Comments (PDF, 558 KB)

GAAS Comments (PDF, 743 KB)

ICC-SRCC Comments (PDF, 388 KB)

NAGHPC Comments (PDF, 122 KB)

NEFI Comments (PDF, 220 KB)

NJNG Comments (PDF, 603 KB)


NW Natural Comments (PDF, 104 KB)

NYSERDA Comments (PDF, 937 KB)

OMA Comments (PDF, 379 KB)

PG&E-SDGE-SCE Comments (PDF, 323 KB)

PHCC Comments (PDF, 200 KB)

QHTinc Comments (PDF, 109 KB)

Raymond J Albrecht PE Comments (PDF, 2.5 MB)

Redwood Energy Comments (PDF, 250 KB)

Repcor Comments (PDF, 116 KB)

Sensible Tech Comments (PDF, 187 KB)

Taco Comments (PDF, 288 KB)

TMC Comments (PDF, 194 KB)

TMC Comments (2) (PDF, 406 KB)

ENERGY STAR Residential Boilers Discussion Guide Webinar - June 21, 2023

ENERGY STAR Residential Boilers Discussion Guide Webinar (PDF, 684 KB)

ENERGY STAR Residential Boilers Discussion Guide - June 5, 2023

EPA welcomes stakeholder feedback on the discussion guide. The comment period deadline is July 7, 2023. Please send comments via e-mail to

ENERGY STAR Residential Boilers Discussion Guide (PDF, 95 KB)

ENERGY STAR Residential Boilers Discussion Guide Cover Letter (PDF, 137 KB)