4-in-1 Upgraded Detector: The upgraded 4-in-1 Natural Gas Leak Detector & Carbon Monoxide Detector is equipped with natural gas, carbon monoxide, temperature, and humidity detectors, powerful ...

Installing and maintaining smoke and carbon monoxide (CO) detectors can save your life. Fortunately, they’re inexpensive and easy to put in place. Basic smoke detectors cost as little as $15 and ...

Everyone's well aware of how important smoke detectors are, but there's another early-warning system every home should have. Carbon monoxide can be a real problem and it's called the "silent ...