According to the Senate bill, the detector must sound an audible warning once carbon monoxide is detected. It must also be powered by a battery, or if it is a plug-in it must have a battery backup. The detector must also be certified by a national testing lab, such as the Underwriters Laboratories. The packaging on the carbon monoxide detector will reflect this certification. If the carbon monoxide detector is also a smoke detector, it must still meet the above standards and sound a carbon monoxide alarm that is different than the smoke alarm.

Carbon monoxide detectors are to be installed in the following locations:

1. Outside of the sleeping area in the immediate vicinity of the bedroom(s) of each separate dwelling unit.

2. On every level of a dwelling unit including basements.