Fan efficiency standard approved

ANSI and AMCA approved Standard 205, which defines fan efficiency grades (FEG), an energy efficiency classification for fans.


The Air Movement and Control Association International, Inc. (AMCA International), announced that the Board of Standards Review of the American National Standards Institute (ANSI) approved the document about ANSI/AMCA Standard 205.

ANSI/AMCA Standard 205 defines fan efficiency grades (FEG), an energy efficiency classification for fans. The scope includes fans having an impeller diameter of 125 mm (5 in) or greater, operating with a shaft power 750 W (1 hp) and above, and having a total efficiency calculated according to one of the following fan test standards: ANSI/AMCA 210, ANSI/AMCA 230, AMCA 260, or ISO 5801. All other fans are excluded. The standard only applies to the fan, not the fan drive or the fan system.

This standard may be used by legislative or regulatory bodies for defining the energy efficiency requirements of fans used in specific applications. AMCA 205 is referenced in the 2012 International Green Construction Code and is under consideration for ANSI/ASHRAE/IES 90.1.

Learn more about the standard here.

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