The National Fenestration Rating Council (NFRC) ANS Standards Committee has a new U-factor standard open for public comment.

NFRC approved a plan to submit a previously unimplemented, member-approved ballot change to NFRC 100; Procedure for Determining Fenestration Product U-factors. The public review and comment period is scheduled to run from April 28 to May 28, 2017.






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