Types include: Effectiveness: Critical for early fire detection, significantly reducing property damage and saving lives. CO alarms detect the presence of carbon monoxide, an odorless and deadly ...

We've reviewed carbon monoxide (CO) detectors from Aico, FireAngel, Firehawk, Google Nest and Kidde, along with a collection of unbranded models, to find the alarms that will detect CO and sound every ...

which should cut down on frustrating false alarms. It also uses different beeps for each type of alert — three beeps for smoke and four for carbon monoxide — allowing you to know exactly what ...