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 Can Vaping Set Off a Smoke Alarm? Here's What You Need to Know Can Disposable Vapes Set Off Smoke Alarms Will Vaping Set Off My Smoke Alarm ? Do Vapes Set Off Smoke Alarms? Royal Flush Vape UK Will Vaping Set Off Fire Alarms? 2026 Safety Guide E Cigarette Direct