Smoke Alarms: Can You Use Your E Cigarette Near a Smoke Detector? White Cloud White Cloud Electronic Cigarettes 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 Does Vape Smoke Set Off Fire Alarms Can Smoke Detectors Detect Vapes? Find Out Now Will Vaping Set Off Hotel Smoke Alarms? Does Vape Smoke Set Off Fire Alarms Can a Vape Set Off a Fire Alarm? What