The ratio of the electrical input power of a reference fan to the electrical input power of an actual fan at a given duty point (airflow, pressure, and air density), FEI considers motors and drives, not just fans, which makes it consistent with new efficiency metrics for pumps and air compressors.
Dr. Stephanie Taylor discusses the effectiveness of the Phizer and Moderna vaccines; her latest endeavor, Building4Health; how engineers can best prepare their buildings in the fight against COVID-19; and more.
AMCA-certified for sound and air performance, mixed flow model SQ is available in eight sizes, 16-33, with performance ranges up to 27,497 cfm and 3 inches wg.
The association between low humidity and increased disease from SARS-CoV-2 is real, important, and cannot be discounted by the presence of other variables.
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