carbon monoxide

*UPDATE* 12/26/22. The First Alert 2-in-1 Smoke and Carbon Monoxide Alarm from Costco has a slim, easy-to-install design with no batteries to replace. It has a built-in 10-year battery that…

7/24/18. Just burned the toast? App Silence lets you quiet the alarm from you phone. Select Costco locations have the Nest Protect Smoke and Carbon Monoxide Alarm 2-Pack on sale for…

*UPDATE* 1/28/20. There can be many potential sources of carbon monoxide in the home: blocked chimney, furnace, attached garage, range hood, clothes dryer, portable heater, water heater, fireplace and indoor…

*UPDATE* 2/11/14. Costco has the First Alert Carbon Monoxide Alarm on sale for $22.99 (after manufacturer’s instant rebate), now through February 23, 2014. That is $7.00 off Costco’s regular price…