Do Vapes Trigger Smoke Alarms? Facts and Tips Vuse CA Can Vapor Set Off a Smoke Alarm? What to Know Dr.Dabber How to Vape Without Setting Off the Smoke Alarm JAC Vapour Does Vaping Set Off Smoke Alarms Switch On Vuse SA Does Vape Trigger Smoke Detectors Can Vape Trigger Smoke Alarm Can Vaping Set Off A Smoke 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