Can Vape Set Off Smoke Detector Vaping and Smoke Alarms: Considerations and Safety Tips 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 Do Vapes Set Off Smoke Alarms? Royal Flush Vape UK Do Vapes Set Off Smoke Alarms? What You Should Know Does Vape Set Off Smoke Alarms (REAL TEST) Can Smoke Detectors Detect Vape? (compared Do Vapes Set Off Smoke Alarms? [Clear Answer] Grey Haze UK