HALO Smart Sensors Detect and Reduce Vaping in Schools, Hotels, Offices, and Healthcare Environments Surveillance Secure Can You Vape in Hotel Rooms? Policies & Smarter Alternatives Can Vaping Really Set Off Smoke Alarms? The Truth Revealed Can You Vape in Hotel Rooms? Policies & Smarter Alternatives 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.