The answer to 'lifespan of smoke detector' is that most smoke detectors have a lifespan of 8-10 years. Smoke detectors contain electronic components and sensors that can degrade over time, reducing their effectiveness in detecting smoke and fire. It's recommended to replace smoke detectors every 8-10 years to ensure they are functioning properly and providing the best protection for your home.
Smoke detectors should also be tested monthly to ensure they are working, and the batteries should be replaced twice a year, such as when you change your clocks for daylight saving time. Regular maintenance and replacement of smoke detectors is crucial for maintaining a safe home and protecting your family.