Mullins, Chris2014-05-212014-05-212009-08-17http://hdl.handle.net/10919/48107Provides a maintenance checklist for unit heaters or forced air heaters in greenhouses to ensure the system is in good repair and operating condition, important for lessening the chance of ethylene exposure, reducing operating costs, and prolonging the life of the heater unit.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.Nursery & GreenhouseExtension publicationhttp://pubs.ext.vt.edu/2906/2906-1387/2906-1387_pdf.pdfHeating systemsGreenhousesEthylene