• All existing single-family homes that contain a fossil fuel burning heater or appliance, fireplace, or an attached garage must install carbon monoxide (CO) alarms.
• CO alarms must be installed outside of sleeping areas and on every level of a home, including the basement.
• CO alarms must be either battery-powered or plug-in with battery backup.
- Effective July 1, 2011 for Existing Homes
- Effective January 1, 2013 for Existing Apartments, Condos, and Rental Units
• Requires carbon monoxide (CO) alarms be installed in most existing single-family housing, as well as hotels, motels, and apartments.
• CO alarms must be located outside of each separate sleeping area, in the immediate vicinity of the bedroom.
• Where a tenancy exists, the tenant must maintain the CO alarms as specified by the manufacturer, including replacement of the batteries.
- Effective January 1, 2013
Many First Alert alarms are compliant with California and Washington law, here are a few to check out:
Battery Powered Carbon Monoxide Alarm
Plug-in w/ Battery Backup Carbon Monoxide Alarm
Digital Display - Plug-in w/ Battery Backup
Combination Smoke/Fire & Carbon Monoxide with Voice & Location