Virginia Cooperative ExtensionGrisso, Robert D.Walker, Martha A.Agee, PhilipIgnosh, John2020-04-162020-04-162020http://hdl.handle.net/10919/97695Windows and their thermal properties.3 pagesapplication/pdfen-USVirginia 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.Extension publicationhttps://www.pubs.ext.vt.edu/content/dam/pubs_ext_vt_edu/2901/2901-9010/BSE-297.pdfWindowsthermal properties