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National Fenestration Rating Council

An independent US non-profit organization that establishes objective window, door, and skylight energy performance ratings to help compare products.

6305 Ivy Lane
Suite 410
Greenbelt
NFRC-US
USA
Website: http://www.nfrc.org/
Email: info@nfrc.org
Tel: +1 (301) 589-1776

Documents by this publisher

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Series details Title Year Status
ANSI/NFRC Standard 100-2023 Procedure for determining fenestration product U-factors 2023 Current
Standard 100-2020 Procedure for determining fenestration product U-factors 2020 Withdrawn

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