Vape detector in my room, what do I do? : r trees Do Hotels Have Vape Detectors? Nexlar Security Cigarette Smoke Detector Vape Detector vs. Smoke Detector: Comparison & How They Work Will Vaping Set Off Hotel Smoke Alarms? False positives in vape detectors are a common concern, particularly when the devices are placed in environments with factors that can mimic vaping aerosols., , Common causes include:, Aerosols