Virginia. State Technical ServicesMashburn, William H., 1928-2015-08-052015-08-051975-10-01http://hdl.handle.net/10919/5536416 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.LD5655.A762 V57Dwellings -- Energy conservationEnergy conservationExtension publication29505796