Virginia Cooperative ExtensionGrisso, Robert D.Walker, Martha A.2014-08-132014-08-132009-05-01http://hdl.handle.net/10919/50138This publication describes factors to consider when assessing the energy efficiency of a heating system2 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.EnergyHome SystemsHeating -- Energy consumptionDwellings -- Heating and ventilationEnergy series. What about the heating system?What about heating systems?Extension publicationhttp://pubs.ext.vt.edu/2901/2901-9005/2901-9005_pdf.pdfHeating systemsDwellingsEnergy conservation