New FenStar® certification documents
NFRC FenStar® Certification Program
Revised Documents Published
NFRC has released revised documents in the FenStar® Certification Program. The documents provide procedural guidance for manufacturers and labs for verification testing.
This is the list of the revised documents available --
FS-1100 - FenStar Certification Program Verification Testing Procedure
FS-1100.01 - FVT Manufacturer Guidelines
FS-1100.02 - FVT Lab Guidelines
All new versions of the documents are available to be downloaded. Each procedure describes in greater detail how manufacturers and staff are going to work with each other to perform the verification testing.
The previous published documents for the FenStar Certification Program can still be found on the
NFRC FenStar Certification Program webpage.
Questions regarding the FenStar Certification Program can be directed to
General comments can be directed to
National Fenestration Rating Council
NFRC envisions a future where every window, door, and skylight purchase decision is made using the NFRC label to evaluate energy performance.