The American Architectural Manufacturers Association (AAMA) of Schaumburg, Ill., the National Patio Enclosure Association (NPEA) of Topeka, Kan., and the National Sunroom Association (NSA) of Cleveland, have jointly released an updated specification establishing minimum performance requirements for sunrooms.
It references the 2009 International Residential and Energy Conservation Codes, and contains a number of other necessary updates. The new specification replaces the original one that has been in use since it was released by the three organizations in 2002.
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