The National Fenestration Rating Council (NFRC) Board of Directors has approved an NFRC document, which is now open for public review in accordance with the American National Standards Institute’s (ANSI) process. The public review and comment period is scheduled to run from August 8 through September 22, 2025.
The document submitted for public review, comment and the full ANSI consensus process is:
- NFRC 200-2023[E0A6]: Procedure for Determining Fenestration Product Solar Heat Gain Coefficient and Visible Transmittance at Normal Incidence
About the document
The document, with changes from previous versions highlighted in markup format, is available here: NFRC Documents in Public Review. The document will appear in the Standards Action on August 8, 2025, marking the beginning of the 45-day open public comment period.
All changes subject to public review have been previously balloted and approved by NFRC membership and Board of Directors. As an ANSI-Accredited Standards Developer, NFRC submits any NFRC documents proposed to become ANSI Standards, as well as any proposed amendments or modifications, for public review and comment per ANSI required procedures.
