Study Shows the Viability of LED to Replace Low-Bay Metal Halide Lighting

The LED Low-Bay Garage Lighting Demonstration project studied the applicability of low-bay LED fixtures in a parking-garage installation. Low-bay metal halide (MH) fixtures were replaced with new low-bay LED fixtures in a parking garage located in South San Francisco. Light quality and intensity, and electrical power measurements were taken. Economic costs were then estimated, and qualitative satisfaction was determined from interviews with the property managers. The average illuminance level was slightly increased after the installation of the LED fixtures. The maximum uniformity ratio (a ratio of the brightest spot to the dimmest) decreased, suggesting a more uniform light spread. However, the average illuminance near the darkest wall decreased which the property managers identified as a potential concern.

Read the full report:   http://www.etcc-ca.com/sites/default/files/OLD/images/stories/pdf/ETCC_Report_435.pdf

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