Fan Energy Index (FEI) Coming to 2019 Edition of ASHRAE/IES 90.1
FEI to replace fan efficiency grade (FEG)
ARLINGTON HEIGHTS, Ill. — When it is published later this quarter, the 2019 edition of ASHRAE/IES 90.1, Energy Standard for Buildings Except Low-Rise Residential Buildings, will be the first standard, code, or regulation to use the new fan energy index (FEI) as the metric for efficiency provisions for commercial and industrial fans and blowers, Air Movement and Control Association (AMCA) International Inc., the developer of FEI, announced.
Determined in accordance with ANSI/AMCA Standard 208-18, Calculation of the Fan Energy Index, throughout 2019, FEI replaces fan efficiency grade (FEG).