Air Filtration Articles
Selecting Proper Air Filter Efficiencies for Commercial Buildings
Introduction The information provided here is intended to assist those responsible for making technical decisions to improve air filtration in commercial buildings. These would include…
Read MoreControlled Environments – Explained
When someone mentions a “controlled environment” most people think of a cleanroom or operating room. In actuality, there are 15 general categories of controlled environments1…
Read MoreSelling in the New Era
Make no mistake about it. It is tougher than it used to be for the filter sales professional. It is a different environment than even…
Read MoreEffectiveness of Germicidal UV Radiation for Reducing Fungal Contamination within Air-Handler Units
This is a summary of research completed on the fungi growing on insulation within air-handling units (AHUs) in an office building and levels of airborne…
Read MoreThe Role of Filtration with Building Security in the Post 9/11 World: Is Filtration the “Silver Bullet?”
“9/11” CHANGED THE WORLD. The early reactions to the events surrounding and following 9/11 were similar to the “Chicken Little” of nursery rhyme folklore fame.…
Read MoreHow Many Types of HEPA Filters Are There?
According to the Institute of Environmental Science and Technology, (IEST) with regard to performance, there are 6 types – A, B, C, D, E &…
Read MoreReview of Eurovent 4/10 – 1996
In Situ Determination of Fractional Efficiency in General Ventilation Filters The purpose of the EN 4/10 research paper was what many of us in the…
Read MoreClear on Clearance
According to Encarta – World English Dictionary, “clearance” is defined as “removal of unwanted objects” and “permission for something to happen.” Both definitions are pertinent…
Read MoreMERV Filter Models
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…
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