Virginia Polytechnic Institute and State University. Department of Agricultural EngineeringSmith, Jerome R.2016-04-072016-04-071982-10http://hdl.handle.net/10919/65143Proper installation and maintenance of heating and cooling systems can save money, improve home comfort, and improve reliability.4 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.Heating -- Equipment and supplies -- Maintenance and repairCooling -- Equipment and supplies -- Maintenance and repairDwellings -- Energy ConservationEnergy conservationExtension publicationheating systemscooling systemsmaintenancehomesenergy conservation