ASHRAE Journal - September 2021 - 2

CONTENTS
September 2021
FEATURES
How Building Decarbonization
Can Transform HVAC
By Peter Rumsey, P.E.; Jorlyn
Le Garrec; Avril Levasseur, P.E.
Virus Transmission Modes
And Mitigation Strategies,
Part 4: Additional Virus
Mitigation Strategies
By Jonathan Burkett, P.E.
Technology Award
Retrofi t Creates Kyoto
Energy Showcase
By Tomoaki Ushio, P.E.; Harunori
Yoshida, Ph.D.; Shigemi Mori
Technology Award
Innovation for Engineering and
Architecture Buildings
By Aaron Smith, P.Eng.;
Andrew Bartlett; Denis Morris,
P.Eng.
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52
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COVER PHOTO: MICHAEL MANTESE/ESKEWDUMEZRIPPLE
2
S E P T E M B E R 2 0 2 1 ashrae.o rg ASHRAE JOURNAL
STANDING COLUMNS
28 Engineer's Notebook
The Carbon Context
By Erin McConahey, P.E.
Using Heat Pumps to Help
Decarbonize Buildings
46 IEQ Applications
Reducing Airborne
Contamination, Transmission &
Migration
By Wei Sun, P.E.
58 Building Sciences
Moldy Hotels Suck
By Joseph W. Lstiburek, Ph.D., P.Eng.
70 Refrigeration Applications
Good Health
By Andy Pearson, Ph.D., C.Eng.
In-Room Air Cleaning
72 Cybersecurity
Basic Recommendations for
HVAC Cybersecurity
By Mike Galler
DEPARTMENTS
4 Commentary 6 Industry News
8 Letters
74 Products
76 Info Center
80 Advertisers Index
Radical Retrofi t, Life-Cycle
Commissioning Process
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Missing Issue: cservice@ashrae.org
ASHRAE® Journal (ISSN 0001-2491) PUBLISHED MONTHLY | Copyright 2021
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Geoexchange System, TABS
PUBLICATION DISCLAIMER | ASHRAE has compiled this publication
with care, but ASHRAE has not investigated and ASHRAE
expressly disclaims any duty to investigate any product,
service, process, procedure, design or the like which may
be described herein. The appearance of any technical data,
editorial material or advertisement in this publication does not
constitute endorsement, warranty or guarantee by ASHRAE
of any product, service, process, procedure, design or the like.
ASHRAE does not warrant that the information in this publication
is free of errors and ASHRAE does not necessarily agree with
any statement or opinion in this publication. The entire risk of the
use of any information in this publication and its supplement is
assumed by the user.
V O L U M E 63, N O. 9
12 Meetings and Shows
75 Special Products
79 Classifi ed Advertising
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ASHRAE Journal - September 2021

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