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)
Alliance to Save Energy
A nonprofit organization that promotes energy efficiency worldwide through research, education and advocacy.
Building Technologies Department, Buildings Energy Efficiency, Lawrence Berkeley National Laboratory (LBNL)
Research and software tools on window energy efficiency.
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.
Lighting Research Center, Rensselaer Polytechnic Institute
General lighting resources, including comprehensive information on the application of daylighting.
National Renewable Energy Laboratory (NREL), Center for Buildings and Thermal Energy Systems
Tools and research on building energy efficiency, particularly their software tools.
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.
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)