Do Vapes Set Off Fire Alarms in Homes Hotels and Planes 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. 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 Will Vaping Set Off Hotel Smoke Alarms? Vape Detector for Schools, Hotels, Home eBay What Do Vape Detectors Look Like? Crystal Vape & Crystal Bar & SKE Vape Official Station