Amazon.com: This bathroom is being monitored with a vape sensor and noise detection system SIGN (black, ALUMINIUM MATERIAL,7X10 INCH,RUST FREE) : Industrial & Scientific How Do Smoke Detectors Detect Vape Do Hotels Have Vape Detectors? The Truth About Smoking Detection Can Hotels Tell If You Vape? LOOKAH Can Hotels Detect Vaping? Everything You Need to Know 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 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.