ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 1

The AMCA CRP: Instilling Confi dence
FRO M T HE ED ITOR
Staff
Scott Arnold, Editor in Chief
Senior Manager, Publications and Standards
AMCA International Inc.
Bonnie James, Art Director
JAM Graphics & Publishing
Published by ASHRAE JOURNAL on behalf of
AMCA INTERNATIONAL
Greg Martin
Associate Publisher
ASHRAE Media Advertising
" What is AMCA? "
Depending on whom you ask, Air Movement and Control
Association (AMCA) International is:
* A developer of technical standards and publications used
the world over.
* An accreditor of laboratories that test air-system
components.
* An educator of air-systems and buildings professionals.
* An advocate for its more than 400 manufacturer members
on matters related to codes, standards, regulations, and
legislation.
AMCA is indeed all of those things, but while those things
help to describe AMCA, they do not defi ne AMCA. The essence of AMCA-what makes
AMCA what it fundamentally is and, without which, AMCA loses its identity-lies in its
Certifi ed Ratings Program (CRP).
" Inside the AMCA Certifi ed Ratings Program " (Page 2) explains the workings of the
AMCA International
2023-2024 Board of Directors
Mark Bublitz, Chairman of the Board
Vice President, Industry Affairs
The New York Blower Co.
Mike Wolf, PE, President
Director of Regulatory Business Development
Greenheck Fan Corp.
Ed Rizk, Vice President
Executive Director
OSA Products
Asokdas Damodaran, Treasurer
Managing Director
Systemair India
Mark Saunders, Secretary
Vice President, Sales and Marketing
Pottorff
Jürgen Albig, Director
Global President of Product Unit Ventilation
Ziehl-Abegg SE
Armin Hauer, Director
Director of Regulatory and Technical Affairs
ebm-papst
Noman Qamar, Director
General Manager
Central Ventilation Systems (CVS)
Morten Schmelzer, Director
Head of Group Public Affairs,
Technical Marketing Director
Systemair AB
Christian Taber, BEMP, HBDP, CEM
Principal Engineer, Codes and Standards
Big Ass Fans
Jye Teoh, Director
Managing Director
Kruger Ventilation Industries Asia Co. Ltd.,
Thailand
Brett Vake, Director
Vice President of Customer Experience
Twin City Fan Companies Ltd.
Kevin Faltin, Executive Director
AMCA International Inc.
www.amca.org
AMCA CRP and illuminates why products that undergo the rigorous certifi cation process
deserve to be specifi ed ahead of products that do not. Additionally, it offers practical advice
for properly specifying AMCA-certifi ed products and ensuring those products get installed.
Also in this issue, we present " Maintaining Optimal Data-Center Environments with
Dampers and Louvers " (Page 12), an article exploring the various types of dampers and
louvers used in data centers, their specifi c applications, and their impacts on overall system
effi ciency and safety; " The Human Cost of Heat Stress and the Role of Large-Diameter
Ceiling Fans in Mitigating Risk " (Page 18), an article discussing the growing prevalence of
heat stress, the role of buildings in providing protection, and heat mitigation through the
frameworks of resilience, refuge, regulations, and redundancy; " Direct-Drive vs. GearDriven:
Choosing the Correct Motor for a Large-Diameter Ceiling Fan " (Page 26), an article
highlighting similarities and differences between the two types of motors used in largediameter
ceiling fans; and " Manufacturers of Industrial-Process Equipment, Beware:
Soon-to-Be-Finalized Regulation Poses Signifi cant Burdens " (Page 32), an article providing
a brief overview of the new U.S. regulation for commercial and industrial fans and blowers
and identifying likely burdens and potential risks for industrial-process-equipment
manufacturers
I hope you find this edition of AMCA inmotion useful. As always, your feedback is
welcome. If there is an air-systems-related topic you would like to see covered, please
contact me at sarnold@amca.org or +1 847-704-6335.
Features
02 Inside the AMCA Certifi ed
Ratings Program
12 Maintaining Optimal DataCenter
Environments with
Dampers and Louvers
18 The Human Cost of Heat
Stress and the Role of LargeDiameter
Ceiling Fans in
Mitigating Risk
26 Direct-Drive vs. Gear-Driven:
Choosing the Correct Motor for
a Large-Diameter Ceiling Fan
32 Manufacturers of Industrial-Process
Equipment, Beware: Soon-to-BeFinalized
Regulation Poses
Signifi cant Burdens
ON THE COVER:
The AMCA Certifi ed
Ratings Program
(CRP) seal provides
assurance that a
manufacturer's
published performance
data are accurate and,
thus, reliable.
AMCA International Inc. is a not-for-profi t association of manufacturers of air-system components for
commercial HVAC, industrial-process, and power-generation applications. Its mission is to advance
the health, growth, and integrity of the air-systems industry.
Editorial corial ntent for this supplement was provided by Air Movement and Control Association International Inc. The appearance
of any technical data, editorial material, or advertisement in this publication does not constitute endorsement, warranty, or
guarantee by either ASHRAE or AMCA International of any product, service, process, procedure, design, or the like.
2024 AMCA inmot ion
1
Scott Arnold
http://www.amca.org

ASHRAE Journal Supplement - AMCA InMotion - November 2024

Table of Contents for the Digital Edition of ASHRAE Journal Supplement - AMCA InMotion - November 2024

Contents
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - CT1
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - CT2
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - Cover1
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - Cover2
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - Contents
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 2
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 3
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 4
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 5
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 6
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 7
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 8
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 9
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 10
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 11
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 12
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 13
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 14
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 15
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 16
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 17
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 18
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 19
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 20
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 21
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 22
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 23
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 24
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 25
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 26
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 27
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 28
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 29
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 30
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 31
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 32
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 33
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 34
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 35
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - 36
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - Cover3
ASHRAE Journal Supplement - AMCA InMotion - November 2024 - Cover4
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