Regardless of what sound your device makes ... As we mentioned above, if you believe your carbon monoxide detector beeping is ...

They cost between $50 and $80. USI issued the recall after receiving two reports of units that failed to sound an alarm despite the presence of carbon monoxide within the specified time requirement.

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 ...