Do Vapes Set Off Smoke Detectors Can Vape Smoke Be Detected Can Smoke Detectors Detect Vape How Do Vape Detectors Work RCS Can a Vape Detector Detect Cigarette and Marijuana Smoke? Why Vape Detectors for Schools Are Essential for Student Safety VIDIX CONTROL How to Vape Without Setting Off the Smoke Alarm JAC Vapour District officials said Halo sensors are helping detect vaping, though staff have said there's occasional false alarms.