“Calculation of the Fan Energy Index” defines the calculation method for the fan energy index (FEI), an energy-efficiency metric for fans (inclusive of motors and drives). The Air Movement and Control Association (AMCA) published the ANSI/AMCA Standard 208-18 as a means for comparing fan-energy performance across fan types and sizes at a given fan-duty point.
Fan specifiers can use the standard to understand and communicate fan-efficiency design intent. Legislative and regulatory bodies can use it to define energy-efficiency requirements of fans. The standard is available at the AMCA online bookstore at www.techstreet.com/amca.
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