How Does This New Metric Relate to Requirements for Energy Star?
June 19, 2019
While LED Lighting Facts would be the first program to specifically list the lumen maintenance at 25,000 hours, that metric is derived from TM-21, LM-80, and in-situ temperature measurements, which is the same combination of testing and projections used by Energy Star.
The new LED Lighting Facts metric can be translated into an L70 value relatively quickly, which could then be used by other qualification programs.
Source: https://www.lightingfacts.com/downloads/lumen_maintenance_faq.pdf
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