Hotel rooms waste 20–40% of HVAC energy on vacant rooms that guests briefly stepped out of. PIR motion sensors cannot tell the difference — a guest reading in bed registers as "vacant" the moment they stop moving for 30 seconds, triggering false "clean my room" alerts, energy waste, and missed occupancy analytics.
mmWave presence sensors fix this by detecting micro-motion such as breathing at a range of up to 2.5 meters. The room stays marked as occupied for the entire guest stay, then flips to vacant only when both ceiling presence sensors (bedroom and bathroom) detect no micro-motion for the configured timeout.
For hotel and commercial rollouts, this means accurate housekeeping signals, real HVAC energy savings, and reliable occupancy analytics for revenue management — without cameras or wearables. The same mmWave presence sensor platform also covers offices, meeting rooms, and bathrooms, so one hardware line supports an entire building automation project.