National Fenestration Rating Council - To address concerns about energy consumption, the fenestration industry developed a host of new energy efficient technologies: low-e coatings, low-conductance spacers, gas fills, etc. NFRC's sole mission is to establish a fair, accurate, and credible rating system for fenestration products and to coordinate certification and labeling activities to ensure their uniform application. NFRC's rating procedure is designed to meet the requirement of the Energy Policy Act of 1992 and certain federal government program requirements (DOE, FTC).

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