Do Vapes Set Off Hotel Smoke Alarms Smoke alarms & e cigarettes in hotel rooms Will Vaping Set Off Fire Alarms? 2026 Safety Guide E Cigarette Direct Vape Sets Off Fire Alarm: How Do Vape Detectors Work? Vapesourcing Do Vapes Set Off Smoke Detectors Vape Sets Off Fire Alarm: How Do Vape Detectors Work? Do Vapes Set Off Smoke Alarms? [Clear Answer] Grey Haze UK A pair of hackers found that a vape detector often found in high school bathrooms contained microphonesand security weaknesses that could allow someone to turn it into a secret listening device.