Do Hotels Know If You Vape? What Happens If They Find Out? UponArriving Vape Detector vs. Smoke Detector: Comparison & How They Work Vape Detector UAE False positives in vape detectors are a common concern, particularly when the devices are placed in environments with factors that can Instagram Your guests aren't the only ones checking in. So are their vape pens. With over 13 million regular vapers in the U.S. alone, unauthorized vaping is a major operational risk for hotels. Does anyone know if Vape smoke will set off this hotel fire alarm? : r Vaping