Can Hotel Smoke Detectors Detect Vape Can Hotels Detect Vape Smoke Rest Vape Detector vs Smoke Detector: What's the Difference? Can The Smoke Detector Detect Vape Will Vaping Set Off Hotel Smoke Alarms? 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.