National Fenestration Rating Council

National Fenestration Rating Council is a non-profit organization based in Greenbelt, Maryland. They employ 24 people. The organization provides energy performance ratings for window, door, and skylight products, allowing consumers to compare options and make informed purchase decisions. This rating system helps consumers understand the energy efficiency of these products and make choices that contribute to sustainable living. NFRC serves a diverse membership consisting of architects, government officials, manufacturers, researchers, laboratories, and other non-profit organizations. As the nation's largest independent, third-party rating system for fenestration products, NFRC emphasizes objectivity and reliability in its ratings. Their mission is to serve the public by establishing standards and providing unbiased information to promote energy efficiency. For more information about the National Fenestration Rating Council and their rating system, please visit their website at nfrc.org.