How Long Do Smoke Detectors Last? 7-Year vs 10-Year Alarms Explained
Learn the typical lifespan of smoke alarms, how to check the manufacture date, and how to tell end-of-life signals from low-battery chirps.
Learn the typical lifespan of smoke alarms, how to check the manufacture date, and how to tell end-of-life signals from low-battery chirps.
Sealed 10-year smoke alarms chirp for hush mode, sensor trouble, or end-of-life. Learn what it means, what you can try, and when to replace safely.