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How to Join the EWC

The Efficient Windows Web Site is sponsored by the U.S. Department of Energy's Windows and Glazings Program in collaboration with members of the Efficient Window Collaborative (EWC). EWC members have made a commitment towards manufacturing and promoting energy efficient windows.

What is the EWC?
(in PDF format)

Membership Agreement
(in PDF format)

Acrobat Reader will let you view the PDF files and is available from Adobe.


For more information about membership in the EWC, contact:

Nils Petermann (ewc@ase.org)
Alliance to Save Energy
1850 M Street, NW, Suite 600
Washington, DC 20036
phone: 202-530-2254
fax: 202-331-9588
www.ase.org

Technical support for the EWC is provided by Lawrence Berkeley National Laboratory and the University of Minnesota.

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