National Air Filtration Association
By Jessica Scully reprinted with permission from newswire.com In California and other U.S. western states, wildfires have become more frequent and intense, adversely impacting air quality and human health. Smoke from wildfires contains many toxins and irritants, including particles smaller than 2.5 microns in diameter, which, due to their size, penetrate deep into the lungs …
By Jason Industrial Article three in a series of three Preventative maintenance The implementation of a preventative maintenance program including proper belt drive installation, tensioning procedures and best practices will increase productivity, reduce downtime and yield the additional benefit of improved workplace safety. The majority of power transmission drive problems are attributed to improper …
By Paul Hunt, MBA, President, Pricing Solutions Pricing is one of the most under looked aspect of a business’ operations. Yet pricing strategies are a key way for organizations to improve their bottom line. Research indicates that by properly managing pricing strategies a company can increase profitability by 25 to 60 percent. Unfortunately, many businesses …
May 22, 2019 Types of Power Transmission There are various types of power transmission devices commonly used in industry today. Among them for example, chains, gears, v-belts and synchronous belts are widely used. The focus of this exercise will be a general introduction to rubber power transmission belts and more specifically, those v-belts and synchronous …
By Brandon E. Boor, Ph.D.A, B A. Lyles School of Civil Engineering, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN 47907 B. Ray W. Herrick Laboratories, Center for High Performance Buildings, Purdue University, 177 South Russell Street, West Lafayette, IN 47907 “You know what I am? I’m a dust magnet!” enthusiastically proclaimed Pig-Pen, a …
Reprinted with permission of Air-Conditioning, Heating, and Refrigeration Institute (AHRI) Dear SSPC 52.2 Chairman, I am writing on behalf of the Air-Filtration and Ultraviolet Light Treatment (AFUVLT) Product Section of the Air-Conditioning, Heating and Refrigeration Institute (AHRI) regarding ASHRAE Standard 52.2, Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size. As …
by Jeff Van Sant, Franchisee, Christian Brothers Automotive I have been lucky in that I have not had to hire many people in the last several years. My team at the auto repair shop, that I had owned and operated, had tenures ranging from 6 to 13 years. So, as I started a new venture …
By Keith Jordan, Sanuvox Technologies, Inc. Cannabis legalization has been a passionate topic over the last few years and is engulfing many countries and states. In the beginning of the legalization movement, many Cannabis growers were only concerned with a few items such as plant nutrients, pH water balance or the type of halogen grow …
A recap of “Filter Forensics,” a 2016 NAFA Technical Seminar presentation By Robert Martin, CAFS, Kimberly Clark Corporation At the 2016 NAFA Technical Seminar, Dr. Kerry Kinney presented on a collaborative study conducted with other researchers at The University of Texas at Austin and University of Toronto. The study examined the use of HVAC filters …
By Michael Moore, P.E., Newport Ventures, Inc., www.newportventures.net Introduction Where virtually no market existed a decade ago, the burgeoning practice of building tight, energy efficient homes has created a new market for outdoor air ventilation systems to provide minimum acceptable indoor air quality (IAQ). Though likely none of us grew up in a house with …
Air Media Magazine, Summer 2016 by Robert Burkhead, Blue Heaven Technologies and Michael Corbat, Custom Filter, LLC Over the last few years, the SSPC ASHRAE 52.2 Committee has made a variety of important changes to the standard. While none of these are as dramatic as the optional Appendix J Conditioning test, they all had a …
Air Media Magazine, Winter 2016 By Michael S. Waring, PhD Ventilation rates in buildings have been traditionally defined by their minimum rates, which are the lower limits to maintain acceptable indoor air quality. For instance, at default occupant densities in offices, the American Society for Heating, Refrigeration, and Air-conditioning Engineers (ASHRAE) recommends in Standard 62.1 …
