I don't think that's normal. You may want to swap type of smoke alarms (photoelectric vs ionization): https://en.m.wikipedia.org/wiki/Smoke_detector#Design htt

I don't think that's normal. You may want to swap type of smoke alarms (photoelectric vs ionization): https://en.m.wikipedia.org/wiki/Smoke_detector#Design https://en.m.wikipedia.org/wiki/Smoke_detector#Design The other may be better suited for your environment (e.g. humidity, particulates, etc). I've never had a false alarm with the "smooth edge" First Alert model, for example: https://www.amazon.com/Detector-Hardwired-Battery-Backup-6-Pack/dp/B000KKHWLU/ https://www.amazon.com/Detector-Hardwired-Battery-Backup-6-P... And have had it go off when the daughter lit a candle underneath, so know it works!