🛷 How Does Carbon Monoxide Alarm Work

Updated October 13, 2022. Written by HomeAdvisor. The cost to install a smoke detector ranges from $10 to $75, with an average battery-powered model costing about $25 if you install it yourself. Combination smoke detectors (ionized and photoelectric) cost between $40 and $75. Smoke alarms cost less than carbon monoxide (CO) detectors, which Under Security Devices, locate Alarms > First Alert Smoke and Carbon Monoxide Alarm. Tap Ready. Open the battery tray of your alarm. Insert the batteries but keep the battery tray open for now. Tap Next. Tap Add. While holding down the Test button on your alarm, close the battery tray and count to 3. Release the Test button. .

how does carbon monoxide alarm work