How often should smoke detectors and CO detectors be tested and replaced?

Smoke detectors and CO detectors should be tested monthly to ensure they are working correctly, and batteries should be replaced at least once a year or as recommended by the manufacturer. Additionally, smoke detectors should be replaced every 10 years, and CO detectors have a varying lifespan depending on the brand, typically between 5 to 10 years. It’s important to adhere to these guidelines to maintain the effectiveness of the detectors. Done offers maintenance services for smoke and CO detectors, including testing, battery replacement, and upgrading outdated units. Our professionals can help keep your detectors in optimal working condition, providing peace of mind that your home is protected against smoke and CO risks.