ASHRAE Journal - February 2022 - 38
ROUNDTABLE
happen again for... who knows? It's just harder to talk
about that in terms of just acceptable levels of risk.
Harriman: People want engineering controls to
make the building " safe, " by which they generally
mean they won't have to take precautions, or change
the way they occupy a building. But there's no way
that mechanical equipment and systems by themselves
can ever reduce risks to zero. Based on conversations
I have had with many senior managers dealing
with buildings during this pandemic, they and the
public often overlook this fact of life. Too often they
hope and expect to have " safe " buildings by adding
some low-cost, widely-available, easy to install and
highly effective technology, without first reducing
risks by reducing the viral load.
Reducing viral load means reducing occupancy, wearing
masks indoors and reducing the number of viruses
generated per person, which requires vaccination.
Without these measures, HVAC improvements alone-no
matter how costly or technically impressive-will not
provide acceptable risk levels that we in ASHRAE-and
the public-might ultimately agree on.
Bahnfleth: This comment about passive versus active
raises an important question: passive measures are
there all the time, and there are some who would like
to see a rising tide raise all boats, and passive measures
are going to affect air quality all the time. Should we be
linking those together, making buildings better from
the point of view of infection control and also addressing
some of the other things we've known for a long
time about air quality deficiencies in buildings and the
consequences?
DeGraw: Absolutely, yes. You don't get these opportunities
to make a real difference too often, and this is a
real opportunity. Everybody is talking about indoor air
quality right now. Everybody thinks they understand
indoor air quality, so it's not just an opportunity educationally
but really across the board. If we don't make the
changes and make them stick, they're not going to be
here in a couple years, just based on the lessons out of
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ASHRAE Journal - February 2022
Table of Contents for the Digital Edition of ASHRAE Journal - February 2022
Contents
ASHRAE Journal - February 2022 - Intro
ASHRAE Journal - February 2022 - Cover1
ASHRAE Journal - February 2022 - Cover2
ASHRAE Journal - February 2022 - 1
ASHRAE Journal - February 2022 - Contents
ASHRAE Journal - February 2022 - 3
ASHRAE Journal - February 2022 - 4
ASHRAE Journal - February 2022 - 5
ASHRAE Journal - February 2022 - 6
ASHRAE Journal - February 2022 - 7
ASHRAE Journal - February 2022 - 8
ASHRAE Journal - February 2022 - 9
ASHRAE Journal - February 2022 - 10
ASHRAE Journal - February 2022 - 11
ASHRAE Journal - February 2022 - 12
ASHRAE Journal - February 2022 - 13
ASHRAE Journal - February 2022 - 14
ASHRAE Journal - February 2022 - 15
ASHRAE Journal - February 2022 - 16
ASHRAE Journal - February 2022 - 17
ASHRAE Journal - February 2022 - 18
ASHRAE Journal - February 2022 - 19
ASHRAE Journal - February 2022 - 20
ASHRAE Journal - February 2022 - 21
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ASHRAE Journal - February 2022 - 24
ASHRAE Journal - February 2022 - 25
ASHRAE Journal - February 2022 - 26
ASHRAE Journal - February 2022 - 27
ASHRAE Journal - February 2022 - 28
ASHRAE Journal - February 2022 - 29
ASHRAE Journal - February 2022 - 30
ASHRAE Journal - February 2022 - 31
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ASHRAE Journal - February 2022 - 33
ASHRAE Journal - February 2022 - 34
ASHRAE Journal - February 2022 - 35
ASHRAE Journal - February 2022 - 36
ASHRAE Journal - February 2022 - 37
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ASHRAE Journal - February 2022 - 71
ASHRAE Journal - February 2022 - 72
ASHRAE Journal - February 2022 - Cover3
ASHRAE Journal - February 2022 - Cover4
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