Ventilating Fans Specification Version 4

A minor revision of the ENERGY STAR specification for Ventilating Fans has been finalized. As of July 24, 2018, in-line fans designed to be installed as supply fans may be certified as ENERGY STAR. 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 Daken.Abigail@epa.gov. This webpage will be updated periodically as new information is received.

Ventilating Fans Final Version 4.1 - July 24, 2018

ENERGY STAR Ventilating Fans Version 4.1 Limited Topic Proposal Comments - June 29, 2018
AHAM Comments (PDF, 144 KB)
HVI Comments (PDF, 144 KB)
S&P USA Comments (PDF, 260 KB)

ENERGY STAR Ventilating Fans Version 4.1 Limited Topic Proposal - June 15, 2018

Ventilating Fans Draft Version 4.1 Stakeholder Comments - March 21, 2018
Sicflux Comments (PDF, 8 KB)
Systemair Comments (PDF, 238 KB)

Ventilating Fans Draft Version 4.1 Webinar Slides – March 8, 2018

Ventilating Fans Draft Version 4.1 - February 21, 2018

ENERGY STAR Ventilating Fans Version 4.0 Specification (Rev. Oct-2017) – October 23, 2017

EPA updated Section 3Ab of the specification to clarify that bathroom and utility room fans, and in-line fans, with more than three speeds must be tested and meet the applicable efficacy and sounds requirements at their minimum and maximum speeds, and at a speed half-way in between those.


ENERGY STAR Ventilating Fans V4.0 Clarification - January 26, 2016
EPA Cover Memo (PDF, 94 KB)

ENERGY STAR Ventilating Fans V4.0 Final - December 29, 2014

Ventilating Fans Version 4.0 Final Draft - December 4, 2014
Air King Comments (PDF, 195 KB)
Broan NuTone Comments (PDF, 1.0 MB)
Delta Comments (PDF, 69 KB)
HVI Comments (PDF, 103 KB)
NAHB Comments (PDF, 143 KB)
Nedfon Comments (PDF, 228 KB)
Panasonic Comments (PDF, 173 KB)
Systemair Comments (PDF, 130 KB)

Ventilating Fans Version 4.0 Interim Proposal - October 27, 2014

Ventilating Fans Version 4.0 Draft 1 Stakeholder Comments - July 31, 2014
Air King Comments (PDF, 137 KB)
Broan-NuTone Comments (PDF, 1.1 MB)
Delta Comments (PDF, 76 KB)
HVI Comments (PDF, 109 KB)
Panasonic Comments (PDF, 121 KB)

ENERGY STAR Draft 1 Version 4.0 Ventilating Fans Webinar Slides - July 10, 2014

Ventilating Fans Version 4.0 Draft 1 - June 11, 2014