ASHRAE Journal - March 2021 - 93

Is your fan
missing something?

You'd know right away if a piece of your next fan was missing. But now there's something that can have an even
greater impact on fan performance-an AMCA-certified Fan Energy Index (FEI) rating. FEI is a fan-energy metric
calculated at specific airflows and pressures. FEI ratings include a motor and drive, thus communicating the
expected power consumption of complete fan systems. Because FEI can be calculated for any duty point, it helps
engineers select fans for high efficiency across an entire operating range. In short, FEI helps right-size fans with
optimal motors and drives, reducing energy waste and carbon emissions and extending service life. To find
AMCA-certified FEI-rated fans, visit amca.org/find-FEI. For more information about FEI, visit amca.org/fei.

UPDATE: FEI has replaced Fan Efficiency Grade in:
ANSI/ASHRAE/IES Standard 90.1-2019 | ANSI/ASHRAE/USGBC/IES Standard 189.1-2020
International Energy Conservation Code 2021 | International Green Construction Code 2021

STAND FOR A HIGHER STANDARD

© 2021 AIR MOVEMENT AND CONTROL ASSOCIATION INTERNATIONAL, INC. All rights reserved. amca.org


http://www.amca.org/find-fei http://www.amca.org/fei http://www.amca.org

ASHRAE Journal - March 2021

Table of Contents for the Digital Edition of ASHRAE Journal - March 2021

Contents
ASHRAE Journal - March 2021 - Intro
ASHRAE Journal - March 2021 - Cover1
ASHRAE Journal - March 2021 - Cover2
ASHRAE Journal - March 2021 - 1
ASHRAE Journal - March 2021 - Contents
ASHRAE Journal - March 2021 - 3
ASHRAE Journal - March 2021 - 4
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ASHRAE Journal - March 2021 - Cover3
ASHRAE Journal - March 2021 - Cover4
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