New Occupancy Detection Device Designed to Save Home Energy Use

Read the full story from the U.S. Department of Energy.

Photoelectric infrared (PIR) sensors are the current choice for occupancy presence detection in buildings. The sensors are used for smart thermostats to control heating and cooling based on occupancy. A major problem is that these PIR sensors only detect individuals who are moving. A Stony Brook University research team is developing a new type of PIR sensor that is equipped with an electronic shutter and other technologies that enable fast and accurate occupancy detection including individuals who are stationary.

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