Can Hotels Tell If You Vape? LOOKAH Unexpected charges are piling up at hotels across the country as new smoking detection sensors raise questions about accuracy. Hotel Vape and Smoke Detector Halo Smart Sensor Hotel vape detection protect non smoking rooms Zeptive A pair of hackers found that a vape detector often found in high school bathrooms contained microphonesand security weaknesses that could allow someone to turn it into a secret listening device. 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.