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 Hotel Smoke Detectors Detect Vape Can Hotel Rooms Detect Vape Smoke Can You Vape in a Hotel Room? Read This Guide Can a Vape Set Off a Fire Alarm? What You Should Know A friendly reminder to proceed with caution in Las Vegas, even though $1000 isn't even that much these days. Do Hotels Know If You Vape? What Happens If They Find Out? UponArriving Will Vaping Set Off Hotel Smoke Alarms?