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 Vape Set Off Smoke Alarms Do Vapes Set Off Smoke Alarms? A Clear and Simple 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 Can Vape Trigger Smoke Alarm Can Vapor Set Off Fire Alarm Switch Can Shower Steam Trigger Smoke Alarm At Bernadette Williams Blog A Smoke Detector In A Hotel Room Reddit Do Vapes Set Off Smoke Alarms?