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High Efficiency

Change in ASHRAE 62.2 introduces market opportunity for efficient filters

June 2, 2017

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 …

Read moreChange in ASHRAE 62.2 introduces market opportunity for efficient filters

How Well Can Higher Efficiency Filtration Control Particles at High Ventilation Rates in Offices?

January 6, 2016

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 …

Read moreHow Well Can Higher Efficiency Filtration Control Particles at High Ventilation Rates in Offices?

Fan Basics Related to Filtration Systems

September 21, 2015

Fan Basics Related to Filtration Systems Air Media Magazine, Summer 2014 By Wade Smith, Executive Director, Air Movement and Control Association (AMCA). “How come the amp-draw of the fan drops when the filters are dirty?” Al Veeck asked me one December evening after a long meeting with HVAC industry association executives. Of course, he knew …

Read moreFan Basics Related to Filtration Systems

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