About NFRC

The National Fenestration Rating Council (NFRC) is the trusted, independent, 501(c)(3) 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.

The NFRC does not do the following:

• Sell, service, or recommend products, or endorse manufacturers. It simply provides objective energy performance ratings so you can make more informed decisions
• Install or guarantee the performance of improperly installed NFRC-certified windows, doors, and products
• Service warranties, provide rebates, or tax incentives
• Establish or enforce building codes

Mission

NFRC is committed to advancing continuous improvement of windows, doors, and skylights, contributing to making buildings more comfortable and energy efficient.