Do Vapes Set Off Smoke Alarms? What You Actually Need to Know Hotel Vape and Smoke Detector Halo Smart Sensor Do Vapes Set Off Hotel Smoke Alarms Will Vaping Set Off Hotel Smoke Alarms? 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. Vape Detector vs. Smoke Detector: Comparison & How They Work Can Vaping Really Set Off Smoke Alarms? The Truth Revealed