Can Vape Pens Trigger Smoke Alarms in Buildings or Planes? Can Vape Trigger Smoke Alarm Think vapes are harmless to your smoke alarms? Not always. Vapor clouds from ecigarettes can drift into smoke alarms and trigger false alarms, especially in smaller Can a Vape Detector Detect Cigarette and Marijuana Smoke? Can Vape Trigger Smoke Alarm What Are Vape Detectors [& How to Avoid Triggering Them] Can Smoke Detectors Detect Vaping? Learn the Facts