Guidelines Show How to Select Indoor LED Lighting

To help you identify high-quality solutions that will effectively deliver on the promise of the benefits of LEDs for years to come, Acuity Brands and Lithonia Lighting have developed LED lighting system selection criteria.

“Indoor LED lighting has hit the lighting mainstream and certainly has many benefits, including energy savings, extended life expectancy, reduced maintenance and improved sustainability,” said Dave Ranieri, vice president and general manager of Lithonia Lighting® Commercial Indoor Products. “However, if the LED lighting does not perform as expected, then the benefits are never realized.”  He suggests conducting a review of indoor LED luminaires using these six general performance criteria:

1: Standard Criteria: While LED lighting is a relatively new technology, standard evaluation criteria still apply. Use basic lighting specification tenets to determine lighting quality, efficiency and aesthetics.

2: Thermal Management: Thermal management is still fundamental to the performance of an LED lighting system. Heat affects the efficacy of the luminaire source, system life expectancy and the color quality and consistency of LEDs.

3: Color Quality: Until the Color Quality Scale, a new industry standard, is complete, use the color rending index (CRI) to determine color quality. An indoor LED fixture for general ambient lighting should have a minimum CRI of 80.

4: Lumen Output: Determine the LED system’s delivered lumens and system efficacy or lumens per watt (LPW). This information will enable you to determine if an LED solution can meet your lighting objectives effectively and efficiently.

5: Adaptability: Once LED luminaires are installed, and despite their long life, it should be easy to replace or upgrade components as well as reconfigure the existing system if the interior space is updated or re-designed.

6: Digital Lighting Controls: LED luminaires should be “control-friendly” and become more efficient as they dim. LED lighting should also be fully compatible with occupancy sensors, daylight-harvesting controls, manual dimming and full-scale energy management systems.

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