Standard 100-2020 Procedure for determining fenestration product U-factors
Publication Year
2020
Document Status
Withdrawn
Abstract
Applicable to both residential and commercial fenestration products, this procedure utilizes computer simulation software to determine overall product thermal transmittance (U-Factor), including frame and glass elements.
Document History
Superseded by ANSI/NFRC 100-2023.
Publisher Information
National Fenestration Rating Council
An independent US non-profit organization that establishes objective window, door, and skylight energy performance ratings to help compare products.
