National Fenestration Rating Council Logo (identification only, no affiliation)

National Fenestration Rating Council

NFRC is an independent nonprofit that certifies and labels the energy performance of windows, doors, and skylights, providing standardized ratings used by consumers, builders, and ENERGY STAR.

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About

The National Fenestration Rating Council (NFRC) is an independent, nonprofit certification body that develops and administers energy performance ratings and labeling for windows, doors, and skylights. NFRC-certified ratings are produced using standardized, scientifically validated test methods to give objective U-factor, Visible Transmittance, Solar Heat Gain Coefficient, Condensation Resistance, and Air Leakage values. With decades of experience, NFRC provides product certification, project-specific label certificates for commercial buildings, and is the official certification body for ENERGY STAR windows, doors, and skylights. Its ratings and searchable database help consumers, specifiers, and building professionals compare and select energy-efficient fenestration products.

Sector

Industrials

Industry Group

Commercial & Professional Services

Industry

Commercial Services & Supplies

Subindustry

Environmental & Facilities Services

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