How to Vape Without Setting Off the Smoke Alarm JAC Vapour 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 rooms. Even lighter vapes can How to Vape Without Setting Off the Smoke Alarm JAC Vapour Can Vaping Set Off a Fire Alarm? Understanding the Risks Eliquidstop Can Vape Pens Trigger Smoke Alarms in Buildings or Planes? Vaping and Smoke Alarms: Considerations and Safety Tips Vape 'N Vapor