Posts by jweiss@manageassociations.com

Search Articles MERV Filter Models June 29, 2011 For Aerobiological Applications Air Media article published Summer 2002. by W.J. Kowalski, PE, Ph.D. and William Bahnfleth, PE, Ph.D., The Pennsyvania State University Technical input also provided by Charlie Seyffer, Camfil and Keith Chesson of Airguard. Recent concerns about bioterrorism and existing concerns about indoor air quality have…

Search Articles Residential Air Filtration June 28, 2011 When to Change Your Air Filter? When it is loaded with dust, of course. But, unfortunately, there is more to the story than this simple statement. First, a short lesson on media air filters. All filters, be they commercial or residential, battle the same three forces of…

NAFA Position Statement on Bio-terrorism Search Articles June 28, 2011 Using ANSI Standard 52.2 in preparedness in bio-terrorism The National Air Filtration Association (NAFA) recognizes the increased concern about dangerous airborne diseases and further understands that as an association of air filtration professionals, it has an obligation to present a position statement with respect to…

Search Articles NAFA Position Statement on Ozone June 28, 2011 Because NAFA supports the position stated by the Environmental Protection Agency, that “…Ozone can be harmful to health,” NAFA opposes the use of ozone producing equipment used as air cleaners or air purifiers in occupied spaces. Therefore, NAFA adopts the position that ozone air cleaner manufacturers…

Search Articles The Importance of Air Filtration June 28, 2011 Air filtration supplies the means to obtain the level of particulate cleanliness required by any definition of “air conditioning.” It extends from the simple task of preventing lint and other debris from plugging heating/cooling coils to removing particles as small as 0.1 micron which could…

Search Articles Recent Advances in Particulate Air Filter Testing: Quality Assurance Framework June 28, 2011 In the last ten years, there has been increased interest in health related aspects of indoor air quality. The application of general ventilation air cleaners and filters has subtly changed from the protection of equipment and prevention of soiling, to…

Search Articles Air Filtration for Schools June 28, 2011 “…every child and school employee should have the right to an environmentally safe and healthy school that is clean and in good repair.” — American Public Health Association The Problems The statistics are a bit unnerving; 53 million school children and 6 million teachers, administrators and…

Search Articles Providing An Air Of Hospitality June 28, 2011 Webster’s defines hospitality as hospitable treatment, reception or disposition. The root of the word comes from hospital, the Latin root meaning “guest room” however, the hospitality industry is increasingly under pressure to discriminate (define this as a little less hospitable) when it comes to accommodating…

Search Articles Using Furnace Filters as Whole House Room Air Cleaners June 27, 2011 There have been significant improvements on 1″ furnace type filters over the last ten years. The fiberglass furnace filter was originally designed to keep the house ventilation system clean from large particles and debris. Since most of the house furnace blowers…

Search Articles Improved Test Methods for Electronic Air Cleaners June 11, 2011 (Editor’s Note: For many years, the filter industry thought that electronic air cleaners – aka electrostatic precipitators ESP’s – lost efficiency due to the cells loading with dust. While this is the case with some applications, the following paper presents new evidence concerning ESP…