ASHRAE Journal - April 2013 - 24

Fan Efficiency
Requirements
For Standard 90.1-2013
By John Cermak, Ph.D., P.Eng., Member ASHRAE; and Michael Ivanovich, Member ASHRAE

A

lthough fans have been used in their current form since Georgius
Agricola described their applications for ventilating mines in 1556,1

it wasn’t until 2007 that explicit requirements for minimum fan efficiency
in energy and construction codes began to take form. The pace has accelerated since then for developing a means and metrics for determining
and expressing fan efficiency, and developing explicit energy efficiency
requirements for fans in commercial and industrial applications.

ANSI/ASHRAE/IES Standard 90.12013 is the most recent national code or
standard to adopt AMCA 205, Energy
Efficiency Classification for Fans, which
was first published in 2010. AMCA 205
was updated in 2012 and certified by
ANSI.2 To date, AMCA 205 is referenced by one model construction code
(2012 International Green Construction
Code3 [IgCC]) and one model energy
code (ANSI/ASHRAE/IES Standard
90.1-20134).
By 2015, fan efficiency requirements will likely be in all U.S. model
energy and construction codes. With
24

ASHRAE Journal

U.S. fan-energy consumption in commercial HVAC systems estimated to
be around 1.25 quads (1.32 EJ) annually,5 the U.S. Department of Energy
Appliance and Equipment Standards
Program has initiated the development
of a federal efficiency standard for
commercial and industrial fans, blowers, and fume hoods.6
This article describes the fan efficiency requirement within Standard
90.1-2013, and AMCA 205. The article
begins with a brief history of the development of fan efficiency standards in
the U.S. and Europe, and concludes with
ashrae.org

an outlook for future fan efficiency requirements in the U.S.

Brief History
The development of fan efficiency
classification standards is a story of international collaboration leading to separate but harmonized standards. In 2007
and 2008, committees, subcommittees,
and working groups within ASHRAE,
Air Movement and Control Association
(AMCA) International, and the International Standards Organization (ISO)
began to work separately and collaboratively to develop means to classify fan
efficiency, and to draft language for insertion into codes, standards, and regulations for energy efficiency and green/
high-performance building construction.
ISO published Standard 12759
Fans—Efficiency classification for
About the Authors
John Cermak, Ph.D., P.Eng., is executive vice
president, ACME Engineering and Manufacturing
in Tulsa, Okla. Michael Ivanovich is director of
strategic energy initiatives, AMCA International,
Arlington Heights, Ill.

April 2013



ASHRAE Journal - April 2013

Table of Contents for the Digital Edition of ASHRAE Journal - April 2013

ASHRAE Journal - April 2013
Contents
Commentary
Industry News
Letters
Meetings and Shows
Feature Articles
Ground-Coupled Heat Pump and Energy Storage
Fan Efficiency Requirements for Standard 90.1-2013
Technology Award Case Studies:
Geothermal for 5 Ecosystems
Holistic HVAC Design
Standing Columns
Engineer’s Notebook
Data Centers
Emerging Technologies
IAQ Applications
Refrigeration Applications
Special Products
People
International Column
Energy Modeling
Products
Classified Advertising
Advertisers Index
ASHRAE Journal - April 2013 - ASHRAE Journal - April 2013
ASHRAE Journal - April 2013 - Cover2
ASHRAE Journal - April 2013 - 1
ASHRAE Journal - April 2013 - 2
ASHRAE Journal - April 2013 - Contents
ASHRAE Journal - April 2013 - Commentary
ASHRAE Journal - April 2013 - 5
ASHRAE Journal - April 2013 - Industry News
ASHRAE Journal - April 2013 - 7
ASHRAE Journal - April 2013 - 8
ASHRAE Journal - April 2013 - Letters
ASHRAE Journal - April 2013 - Meetings and Shows
ASHRAE Journal - April 2013 - 11
ASHRAE Journal - April 2013 - 12
ASHRAE Journal - April 2013 - 13
ASHRAE Journal - April 2013 - Ground-Coupled Heat Pump and Energy Storage
ASHRAE Journal - April 2013 - 15
ASHRAE Journal - April 2013 - 16
ASHRAE Journal - April 2013 - I1
ASHRAE Journal - April 2013 - I2
ASHRAE Journal - April 2013 - I3
ASHRAE Journal - April 2013 - I4
ASHRAE Journal - April 2013 - 17
ASHRAE Journal - April 2013 - 18
ASHRAE Journal - April 2013 - 19
ASHRAE Journal - April 2013 - 20
ASHRAE Journal - April 2013 - 21
ASHRAE Journal - April 2013 - 22
ASHRAE Journal - April 2013 - 23
ASHRAE Journal - April 2013 - Fan Efficiency Requirements for Standard 90.1-2013
ASHRAE Journal - April 2013 - 25
ASHRAE Journal - April 2013 - 26
ASHRAE Journal - April 2013 - 27
ASHRAE Journal - April 2013 - 28
ASHRAE Journal - April 2013 - 29
ASHRAE Journal - April 2013 - 30
ASHRAE Journal - April 2013 - 31
ASHRAE Journal - April 2013 - Geothermal for 5 Ecosystems
ASHRAE Journal - April 2013 - 33
ASHRAE Journal - April 2013 - 34
ASHRAE Journal - April 2013 - 35
ASHRAE Journal - April 2013 - 36
ASHRAE Journal - April 2013 - 37
ASHRAE Journal - April 2013 - 38
ASHRAE Journal - April 2013 - 39
ASHRAE Journal - April 2013 - Holistic HVAC Design
ASHRAE Journal - April 2013 - 41
ASHRAE Journal - April 2013 - 42
ASHRAE Journal - April 2013 - 43
ASHRAE Journal - April 2013 - 44
ASHRAE Journal - April 2013 - 45
ASHRAE Journal - April 2013 - 46
ASHRAE Journal - April 2013 - 47
ASHRAE Journal - April 2013 - Engineer’s Notebook
ASHRAE Journal - April 2013 - 49
ASHRAE Journal - April 2013 - 50
ASHRAE Journal - April 2013 - 51
ASHRAE Journal - April 2013 - 52
ASHRAE Journal - April 2013 - 53
ASHRAE Journal - April 2013 - Data Centers
ASHRAE Journal - April 2013 - 55
ASHRAE Journal - April 2013 - 56
ASHRAE Journal - April 2013 - 57
ASHRAE Journal - April 2013 - 58
ASHRAE Journal - April 2013 - 59
ASHRAE Journal - April 2013 - Emerging Technologies
ASHRAE Journal - April 2013 - 61
ASHRAE Journal - April 2013 - 62
ASHRAE Journal - April 2013 - 63
ASHRAE Journal - April 2013 - IAQ Applications
ASHRAE Journal - April 2013 - 65
ASHRAE Journal - April 2013 - 66
ASHRAE Journal - April 2013 - Refrigeration Applications
ASHRAE Journal - April 2013 - Special Products
ASHRAE Journal - April 2013 - People
ASHRAE Journal - April 2013 - International Column
ASHRAE Journal - April 2013 - 71
ASHRAE Journal - April 2013 - Energy Modeling
ASHRAE Journal - April 2013 - 73
ASHRAE Journal - April 2013 - Products
ASHRAE Journal - April 2013 - 75
ASHRAE Journal - April 2013 - 76
ASHRAE Journal - April 2013 - 77
ASHRAE Journal - April 2013 - 78
ASHRAE Journal - April 2013 - Classified Advertising
ASHRAE Journal - April 2013 - Advertisers Index
ASHRAE Journal - April 2013 - Cover3
ASHRAE Journal - April 2013 - Cover4
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