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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.
NFRC is a nonprofit organization that administers a voluntary, uniform rating, labeling, and certification system for the energy performance of windows, doors, curtain walls, skylights, and other fenestration products. Its members include manufacturers,
suppliers, utilities, consumer groups, representatives from the building and code industries, scientific and educational organizations, and government agencies. Contact us at info@nfrc.org.