A 9:
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• The American Architectural Manufacturers Association (AAMA) sets all performance standards, product certification and educational programs for the window industry. When a product passes AAMA tests, it ensures long, reliable service if properly installed and maintained correctly. The National Fenestration Rating Council (NFRC) is a non-profit organization created by the Department of Energy and the window, door and skylight industry to provide consistent ratings on window, door and skylight products pertaining to the energy performance of that product. A NFRC label is placed on window, door, and skylight products to inform consumers about a product's U-factor. Factors taken into consideration for the U-factor rating include: the ability of the product to block warming caused by sunlight, light transmittance and air leakage by infiltration through cracks in the product assembly. |