Window Selection ToolCompare costs for a typical house by selecting a condition, window type, and a city. The annual energy use from computer simulations for a typical house in your city can be compared for different window options. 
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When selecting windows or skylights: » Look for properties on the NFRC Label. » Look for the ENERGY STAR®. » Perform simultations using RESFEN. Design Variations: » Glazing Area » Shading » Orientation |
American Architectural Manufacturers Association (AAMA):
AAMA is the source for performance standards, product certification, and
educational programs. The AAMA online Certified Products Directory is the best
resource available for locating products to achieve air, water,
structural and forced entry resistance code compliance.
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Window & Door Manufacturers Association (WDMA):
WDMA is a trade association
representing approximately 145 U.S. and Canadian manufacturers and suppliers of
windows and doors for the domestic and export markets. WDMA members
manufacture high performance products designed and built to performance-based
standards.
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