Can Hotel Smoke Detectors Detect Vape Can Hotel Rooms Detect Vape Smoke Can You Vape in a Hotel Room? Read This Guide Hotel Vape and Smoke Detector Halo Smart Sensor 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 Hotel Room Signs No Smoking, No Vaping No Pets Room Signs