Measured Subject Efficiency and Energy Financial savings of Occupancy Sensors: Three Case Research. A study decided the performance levels, power financial savings, and forums.bestbuy.com occupant acceptance of occupancy sensors that have been installed in a Florida small office building and two elementary faculties. Efficiency information was collected in 15-minute intervals. Aggregate time-of-day lighting load profiles were in contrast before and after the set up and throughout the commissioning interval when the sensors were tuned for optimum performance. Information reveal a ten p.c savings in energy utilization in one in all the two schools where sensors have been installed in classrooms, the cafeteria, and administrative workplaces. Improper sensor installation, set-up, and faulty consumer operation inhibited energy efficiency in the other college. Also, sensor malfunctions adversely affected the vitality financial savings within the office constructing; following their corrections, power savings enhancements had been noted. All three case studies recommend that occupancy sensors can present financial savings in quite a lot of constructing varieties. Nonetheless, it`s noted that financial savings will enormously range because of occupancy patterns, and previous methodology of management and lighting load. It was decided that financial savings and consumer acceptance for areas chosen for control by occupancy sensors are influenced by correct sensor selection, location, and controls commissioning.