Virginia Cooperative ExtensionGrisso, Robert D.Walker, Martha A.2014-08-132014-08-132009-05-01http://hdl.handle.net/10919/50126Describes how to determine the energy performance of a window and how to choose and install windows to increase energy efficiency.3 pagesapplication/pdfenVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.EnergyHome SystemsWindows -- Design and constructionExtension publicationhttp://pubs.ext.vt.edu/2901/2901-9010/2901-9010_pdf.pdfWindowsDwellingsEnergy conservation