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Creating Coefficient of Utilization Table

Creating Coefficient of Utilization Table

Creating Coefficient of Utilization Table

(OP)
thread643-225729: Creating Coefficient of Utilization Table
I am bringing back an unanswered thread by 7JLAman4 who asked, "How is the Coefficient of Utilization table created from the candela information in the IES standard illuminance files? Many manufacturers are providing the IES files with the fixtures. How are these values used when performing quick dirty handcalcs using the Zonal Cavity method?"
I know Lighting Analysts offers a Toolbox utility that does this for a couple hundred $/Yr. Does anyone know of other options?

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