Meeting Information

Fixing the Great Indoors: HVAC and Indoor Air Quality

September 29, 2022
12:00 PM to 1:30 PM
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Most of the time, we breathe without a thought, hundreds of times each hour – unless there’s a problem.  When something’s wrong, it’s due to pollutants, people, pathways, and pressure differences.  The best solution often is to find the sources and control them, or fix the pathways and pressures. This presentation will focus on what goes wrong in our buildings that engineers can manage –intakes, dampers, filters, coils, drain pans, fans, and controls.  Instead of testing, a visual inspection (walk-through) can identify many likely sources and pathways, which are often inexpensive to fix.
Presented By:
Henry H. Slack
Mechanical Engineer

From 1991 to 2018, Henry Slack managed the Indoor Air Program for the U.S. Environmental Protection Agency (EPA), Region 4, dealing with topics as diverse as mold, odors, ozone, carbon monoxide, air cleaners, green buildings, ventilation systems, tobacco smoke, and a guy who could see mold spores flying through the air and attack him. The EPA program is non-regulatory.

For the COVID-19 pandemic, he advised several non-profit organizations on prevention of super-spreader events with use of filters and ventilation. He has also lobbied members of Congress to solve the biggest problem in the world, climate change.

Mr. Slack earned a Bachelor of Science in Chemistry in 1974 from Southwestern at Memphis (now called Rhodes College) in Memphis, Tennessee, and a Master of Science in 1980 from Georgia Institute of Technology. He joined ASHRAE in 1988 and has never regretted it.

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