Will A Vape Set Off Hotel Smoke Alarm Vape Detector for Schools, Hotels, Home A Complete I was reading a post from about a year ago. About the legitimacy of hotels having silent vape alarms. Well I just found one in my hotel. Discreetly attached to the back 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. Can a Vape Set Off a Fire Alarm? What You Should Know