Unexpected charges are piling up at hotels across the country as new smoking detection sensors raise questions about accuracy. Can Hotels Detect Vaping in Rooms? Ecigator Can Hotels Tell If You Vape? LOOKAH 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 What Hotel Smoke Alarms Detect About Vaping in Guest Rooms