The smoke detector in my hotel room is over it 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. (REAL TEST) Can Smoke Detectors Detect Vape? (compared with a Vape Detector) Do Hotels Know If You Vape? What Happens If They Find Out? UponArriving