Leveraging Energy-Efficient Lighting Technologies to Reduce
Leveraging Energy-Efficient Lighting Technologies to Reduce Waste Heat and Operating Costs (2013)-In food processing facilities operating continuously, the lights are always on—making lighting related energy costs a significant operating expense, and efficiency upgrades a source for substantial savings. Inefficient lighting also contributes unnecessary waste heat to a facility, taxing the cooling system and further adding energy costs. A properly designed energy-efficient lighting project in a typical food processing facility with refrigerated spaces can reduce lighting related energy costs by up to 90%, with an additional 30-40% savings from reduced waste heat. In order to achieve this level of savings, it is crucial to match appropriate lighting technologies to the various applications that exist within a processing facility. In refrigerated and freezer warehouse spaces, LED lighting far outperforms HID and fluorescent technologies. In open areas with ambient temperatures above 35°F (2°C), such as processing spaces and refrigerated truck docks, an LED lighting system’s benefits over high efficiency fluorescents tend to diminish—in these cases high efficiency fluorescents are generally the most cost-effective option. This paper outlines the current state-of-the-art lighting technologies and design recommendations for food processing facilities, while detailing costs, typical ROI and benefits posed by each in the different applications.
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