What does it mean that Ellison windows and doors pass AAMA and NFRC tests?
AAMA is an industry organization that independently establishes structural standards for manufacturers to meet and exceed. Most brands of windows will be tested and labeled with an AAMA sticker. NRFC is the trade organization related to the energy efficiency of windows and doors. If a brand does not proudly state its membership to each of these organizations, then a consumer should question the absence. Please go to each organizations web site for more information. www.aamanet.org www.nfrc.
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