Can Vape Pens Set Off Smoke Alarms? A Practical Guide Vape detector vs smoke detector: Key differences explained Can Smoke Detectors Detect Vaping? Unveiling the Truth Johnson Controls Can Vapes Trigger Smoke Alarms? RQS Blog Can Vapor Set Off a Smoke Alarm? What to Know Dr.Dabber 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