How often should smoke and carbon monoxide detectors be tested?

The correct answer is that smoke and carbon monoxide detectors should be tested monthly. Regular testing ensures that these safety devices are functioning properly, providing the necessary early warning in case of a fire or dangerous levels of carbon monoxide. Most manufacturers and safety organizations recommend this monthly test because it helps identify any issues that might prevent the detectors from working effectively, such as low batteries or malfunctioning sensors.

While some options suggest testing annually, every six months, or weekly, these frequency levels do not align with safety recommendations. Annual testing could allow dangerous situations to develop without detection for too long, while weekly testing may be too frequent and could lead to complacency or neglect in actually ensuring functionality. Therefore, the monthly testing strikes the right balance between vigilance and practicality, making it crucial for maintaining a safe environment.