Do Vapes Make Smoke Detectors Go Off Do Vapes Set Off Smoke Alarms? Can Vapes Trigger Smoke Alarms? RQS Blog 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. Does anyone know if Vape smoke will set off this hotel fire alarm? : r Vaping Do Vapes Set Off Smoke Alarms? [Clear Answer] Grey Haze UK