Chicago-Area Warehouse Management Company Reduces Per Square Foot Lighting Costs to 3.9¢, Saving More Than 1,237,626 kWh AnnuallyWhile state-of-the-art at the time of installation, significant changes in lighting technology—particularly in the areas of energy efficiency and light output—suggested that Warehouse # 5’s challenges were solvable. Working with their energy efficiency consultant, Green Light National, Silver Beauty Real Estate began a comprehensive review of its options, involving more than 30 LED fixture manufacturers, an equal number of fluorescent alternatives, and a thorough review of new fluorescent induction technologies. Leaving no stone left unturned, the Silver Beauty management team selected the Intelligent LED Lighting System from Digital Lumens.