DLC products conform to the latest Design Light Consortium performance specifications for efficacy, lifetime, distribution and electrical characteristics of LED luminaires. The following Day-O-Lite products are DLC listed and appear on the www.designlights.org website.


Harmony Series products are our most efficient fully lensed troffers. Conforming to both DLC Standard (105LPW) and Premium (120LPW) requirements. Ideal for all general commercial lighting applications requiring high efficacy with smooth illumination.

NASL-2062 Series

NASL-2062 Series troffers conform to DLC Standard (105LPW) requirements and are specifically designed for commercial lighting applications with limited plenum space. The unique “zero-plenum” design allows the fixture to sit entirely within the height of standard grid ceiling T-Bars.


Profile Series suspended and wall mount fixtures offer a DLC Standard (105LPW) extruded aluminum linear product offering. Configure Profile in Direct, Indirect and Direct/Indirect commercial lighting distributions in two sizes and in any length, including continuous rows.