10 Best Smoke and Carbon Monoxide Detectors of 2025, Tested and Reviewed - Consumer Reports Find the best smoke and carbon monoxide detectors for protecting you and your family, including models from First Alert, Kidde, and Siterwell.

Every year, more than 400 Americans die from unintentional carbon monoxide poisoning, and more than 100,000 are treated at emergency departments. We're supporting the #SafeStayAct in Congress to prevent CO deaths, and sharing our latest CO detector ratings, available for free. #COAwarenessMonth