Solar Heat Gain Coefficient
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== SHGC Certified Products == | == SHGC Certified Products == | ||
Homeowners can assess a replacement window's NFRC certification by accessing the NFRC Certified Products Directory. Window manufacturers join the program to request that the NFRC will rate and list their window product in the NFRC Directory. Thousands of certified products are listed in the NFRC Directory under the heading of "Specialty Products." Energy Star window ratings are based on NFRC ratings but the NFRC also rates window components which are not a part of the Energy Star program. | Homeowners can assess a replacement window's NFRC certification by accessing the NFRC Certified Products Directory. Window manufacturers join the program to request that the NFRC will rate and list their window product in the NFRC Directory. Thousands of certified products are listed in the NFRC Directory under the heading of "Specialty Products." Energy Star window ratings are based on NFRC ratings but the NFRC also rates window components which are not a part of the Energy Star program. | ||
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[[Category:Replacement Windows]] | [[Category:Replacement Windows]] |