Occupancy Sensor
An occupancy sensor reports whether a space is in use, typically from passive infrared (PIR) motion. It turns lights and scenes on when someone enters and off after the room is empty.
An occupancy sensor detects people by their motion and heat, usually with a PIR element, and reports an occupied or vacant state to Home Assistant. It reacts quickly to someone entering but, unlike an mmWave presence sensor, can miss a person who stays still, so it suits hallways, closets, and utility spaces.
How Selora AI uses occupancy sensors
- Hands-free lighting that switches a room on when occupied and off a set time after it empties.
- Energy savings by cutting lights, fans, or climate in spaces no one is using.
- Vacancy mode where lights only turn off automatically, leaving the on action to a person.
Why occupancy sensors matter for installers
Occupancy sensing removes the most common complaint about manual lighting: rooms left on. It pairs well with mmWave presence sensors, which hold a room occupied for stationary people that PIR alone would miss.
Compatible devices
Caséta Smart Motion Sensor (Vacancy Only) PD-VSENS
The Caséta PD-VSENS is a wire-free PIR vacancy sensor that turns off paired Caséta loads when the last person leaves a room. 180-degree field of view with Lutron XCT fine-motion detection.
Caséta Smart Motion Sensor PD-OSENS
The Caséta PD-OSENS is a wire-free PIR motion sensor with a 180-degree field of view and Lutron XCT fine-motion detection. It can run as an occupancy or vacancy sensor for Caséta loads and Selora AI presence recipes.
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