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 killer" ...

CR's testers say these models from First Alert, Kidde, Siterwell, and Universal Instruments are great at protecting you and your loved ones from harm A good combination detector will respond to flames ...

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Carbon monoxide (CO) is an odorless, colorless and toxic gas that causes hundreds of unintentional deaths a year, according to the Centers for Disease Control and Prevention (CDC). The gas is ...