According to the Institute of Environmental Science and Technology, (IEST) with regard to performance, there are 6 types – A, B, C, D, E & F. Each has its own distinct characteristics as shown by chart 1 below. * Test on encapsulated filter Note: Either of the two test methods or an alternative method may… Read more about How Many Types of HEPA Filters Are There?
“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. As with “The sky is falling!” shouts of “Shut off the Air Conditioning System!” spread panic and concern among the building community. Conferences were held by every conceivable group related… Read more about The Role of Filtration with Building Security in the Post 9/11 World: Is Filtration the “Silver Bullet?”
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 fungi within the AHUs measured before the use of germicidal UV lights and again after 4 months of operation. Fungal contamination in air-handling units is a problem in many buildings… Read more about Effectiveness of Germicidal UV Radiation for Reducing Fungal Contamination within Air-Handler Units
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 guests who smoke, have pets, have mores of another culture,… Read more about Providing An Air Of Hospitality
“…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 others walking into 120,000 school buildings every day –… Read more about Air Filtration for Schools