100% Outside Air – Is it Really One of the Best Solutions for Flushing Buildings?

In the age of COVID, we have to look at all available – and viable – options for occupant safety.
To help slow the spread of the coronavirus, ASHRAE, CDC (Centers for Disease Control and Prevention) and WHO (the World Health Organization) currently recommend running HVAC systems for a minimum of 4 hours (but preferably more) on a daily basis with 100% outside air (OA) to “flush out” the virus. I would love to be 100% on board with this recommendation all year round. But I’m not.
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Jim Newman, owner and managing partner of Newman Consulting Group, LLC (NCG) in Farmington Hills, Mich., was honored with the Engineering Society of Detroit’s (ESD) TechCentury Image Award at ESD’s annual dinner on June 20. According to ESD, the award is presented annually “to individuals who have helped promote the engineering and technical professions through involvement in the community, mentoring, public service, public speaking, and presentations to various groups.”
Who else but Local 58 of the International Brotherhood of Electrical Workers (IBEW) could showcase the talent of their members with anything less than an award-winning breakthrough in sustainable energy design. They demonstrated that by using existing technology, a 52-year-old building can be repurposed (some call this a gut rehab) into the first commercial Zero Net Energy (ZNE) building in Michigan.