in 2011, california passed a law requiring carbon monoxide alarms in single-fami... (beeping) ...in single-family homes. that was seven years ago. (beeping) carbon monoxide alarms... (beeping) (annoyed sigh) ...typically last (beeping) seven to ten years. which means california's about to start hearing a lot of this... (silence) but you can beat the b... (beeping) huh-huh. by getting a new kidde carbon monoxide alarm now. beat the beep by going to your local home depot to find the kidde solution that's right for you. (beeping) huh.