How Often To Replace Fire Detectors. Replace the entire smoke alarm every 10 years. While the smoke detectors may still work even after 10 years, the problem is that they won’t be able to.
The test button only confirms that the battery, electronics, and alert. All too often, these most critical fire sensors are installed too close to sidewalls and corners in hallways and rooms. Modern smoke detection systems installed in houses are placed in every bedroom and on every level.
In the past, when smoke detectors ran solely on batteries, it was advised to change out the batteries in the smoke alarms twice a year.
Always remember it needs to be replaced after 10 years. Although the test button allows you to check if the alarm has a dead battery or not, fire safety should not be compromised. Your alarms are overdue for replacement, according to the national fire protection association, which recommends that you replace a detector when it’s 10 years old. Smoke detectors have an expiration date and many currently in use have exceeded their full functionality as dust builds up over time, desensitizing the sensors.