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Per the requirements of the NFRC 700 Product Certification Program, program participants shall be responsible for ensuring that all insulating glass units used in NFRC certified fenestration products are certified in accordance with a
Participating Insulating Glass Certification Program.
The NFRC 706 Requirements for Participating Insulating Glass Certification Programs, provides details and requirements for interested third party certification bodies to provide those participating in the Product Certification Program
with insulating glass certification services.
NFRC’s Participating Insulating Glass Certification Program Directory (IGC Directory) identifies organizations that have shown compliance to the NFRC 706, through the operation of an ISO/IEC 17065 accredited Insulating Glass Certification
Program.
The National Fenestration Rating Council (NFRC) is the trusted, independent, nonprofit certification body for the energy performance of windows, doors, and skylights. With more than 35 years of expertise, NFRC is the standard-bearer in fenestration performance certification, providing the public with objective data that helps stakeholders make informed decisions about product and building performance. NFRC certification ensures that products are tested using precise, scientifically validated methods, resulting in ratings that are fair, accurate and credible. Contact us at info@nfrc.org.