Carbon Monoxide is the leading cause of accidental poisoning in the United States according to the American Medical Association.
New State Laws
CALIFORNIA
• 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
Washington
• 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
DON'T WAIT - BUY NOW!
Many First Alert alarms are compliant with California and Washington law, here are a few to check out:

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