NC State Extension

Efficiency – Defined

A ratio of the amount of work required to run an appliance to the amount of work done by the appliance. Less efficient appliances lose more energy to heat, friction, etc. No appliance or motor can realistically operate at 100% efficiency.

Written By

Photo of Laura LanghamLaura LanghamEnergy Conservation Program Manager (919) 515-8474 laura_langham@ncsu.eduAgricultural and Human Sciences - NC State University
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