Impact of High-Efficiency Filtration Combined with High Ventilation Rates on Particulate Matter Concentrations in U.S. Offices

Tom Ben-David, Sheng Wang, Michael S. Waring | 7-1-2017 EXECUTIVE SUMMARY In 2015, the National Air Filtration Association (NAFA) funded a research proposal by Associate Professor Michael Waring at Drexel University, which was to determine whether high-efficiency filters could be used to … Read more about Impact of High-Efficiency Filtration Combined with High Ventilation Rates on Particulate Matter Concentrations in U.S. Offices

Know More! Selling

Know More! Selling By Sam Richter The Internet has changed the way companies sell, and buyers buy. Unless you have been living on a deserted island for the past 15 years, I know that statement did not send shock waves through your consciousness. And even if you had been living on a deserted … Read more about Know More! Selling

UL 900 Update

By Tom Justice, CAFS, NCT, Zene The first edition of the UL 900 Standard for air filter units was issued back in September 1965 and has evolved over the years to the most recent designation as an American National Standard (ANSI) which occurred on February 14, 2012; ANSI/UL 900. It currently … Read more about UL 900 Update

The Purpose of Paint Arrestors

It does sound “green” to say overspray collectors keep the environment cleaner, but let’s face facts; keeping the exhaust stack and fan free of overspray build-up ensures that an exhaust system can properly remove VOC’s (volatile organic compounds) and other noxious vapors from a spray booth.  That … Read more about The Purpose of Paint Arrestors