Window Industry Resources

American Architectural Manufacturers Association (AAMA)

Canadian Window and Door Manufacturers Association

Glass Association of North America (GANA)

Insulating Glass Certification Council

Insulating Glass Manufacturers Alliance

National Fenestration Rating Council (NFRC)
provides third-party certified energy efficiency ratings for both factory built and commercial site built products.

National Glass Association

Window and Door Manufacturers Association (WDMA)

Educational Resources

Alliance to Save Energy
A nonprofit organization that promotes energy efficiency worldwide through research, education and advocacy.

Center for Sustainable Building Research, College of Design, University of Minnesota
Research, outreach, and education on sustainable building design.

Electric Power Research Institute (EPRI)

Florida Solar Energy Center (FSEC)
Educational materials, software tools, and research on window technologies, especially those related to solar gain.

Lawrence Berkeley National Laboratory (LBNL), Environmental Tehncologies Division (EETDP)
Research and software tools on window energy efficiency.

Lighting Research Center, Rensselaer Polytechnic Institute
General lighting resources, including comprehensive information on the application of daylighting.

National Renewable Energy Laboratory (NREL), U.S. Department of Energy's primary national laboratory for renewable energy and energy efficiency research and development.

Oak Ridge National Laboratory (ORNL), Building Envelope Systems and Materials

Online Code Environment and Advocacy Network (OCEAN)
Portal for education and support on the implementation and adoption of building energy codes.

Retrofit Depot
Information and tools for doing deep energy retrofits.

U.S. Department of Energy's Energy Efficiency and Renewable Energy
Windows and Doors activities of the DOE's Building Technologies Program

U.S. Energy Information Administration
Source for independent statistics and analysis.

Codes, Standards & Professional Organizations

American Institute of Architects (AIA)

American National Standards Institute (ANSI)

American Society of Heating, Refrigerating and Air Conditioning Engineers, Inc. (ASHRAE)

American Society for Testing and Materials (ASTM)

American Solar Energy Society

Canadian Standards Association

Illuminating Engineering Society of North America (IESNA)

International Code Council (ICC)

International Energy Agency

International Standards Organization (ISO)

National Association of State Energy Officials (NASEO)

National Research Council of Canada Institute for Research in Construction (IRC)

Standards Council of Canada

Sustainable Buildings Industry Council (SBIC)


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