Do Hotels Know If You Vape? What Happens If They Find Out? UponArriving Can Hotel Smoke Detectors Detect Vape Can Hotels Detect Vape Smoke Rest Detect Vape, Smoke and other Pollutants Piera Systems Can Hotel Smoke Detectors Detect Vape Hotel Vape Detectors and Nicotine Sensors: Complete Guide 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 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.