Efficiency versus Efficacy .. What’s the Difference?
Dear Reader: If you were to read the literature, it seems the industry throws around two terms almost as if they were interchangeable – efficacy…
Article:
LED Efficacy…
How much value are you getting from your lighting? That depends, in part, on the fixture’s efficacy. Technically, efficacy means lumens divided by watts: the higher the efficacy of a fixture, the more light it will produce with a lower wattage, which saves energy on a per watt basis.
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