Plus, as a battery-powered model, it won't add to your energy bill and is immune if you have a power outage. Some carbon monoxide detectors can find both carbon monoxide molecules and smoke particles.

Q. Should a professional install your carbon monoxide detector? Battery-operated carbon monoxide detectors are relatively simple to install, and as long as you follow the manufacturer’s advice ...

which I don’t need because we have stand-alone CO alarms. What is the best type of replacement smoke alarm to buy? I would like to add a battery-operated smoke detector in the garage. Can it be ...

Top Pick: First Alert 9120LBLA Hardwire Smoke Alarm Top Pick with CO Alarm: First Alert SCO5RVA Battery-Operated Combination Carbon Monoxide and Smoke Alarm What We Think of the First Alert ...