How often should the smoke detector be replaced after installation?

The correct guidance is that smoke detectors should be replaced every 10 years after installation. This is based on the fact that the sensing technology within smoke detectors can degrade over time, leading to decreased reliability and potentially compromising safety. The 10-year lifespan ensures that the device remains functional and capable of detecting smoke effectively. Regularly replacing smoke detectors every decade is a recommended practice by fire safety organizations to maintain optimal performance and enhance household safety. It's important to also carry out regular testing and maintenance during that period, but replacement is crucial after the 10-year mark to ensure ongoing reliability.