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  1. mildlyHVAC

    Heat gain from Fans

    Hi all, In Chapter 18 of ASHRAE Fundamentals 2021, we see this in the "Heat Gain From Fans" section (page 18.47): "The power necessary at the input to the fan motor must account for fan motor inefficiencies and drive losses. Fan motor efficiencies generally vary from 80 to 95%, and drive losses...

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