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Customer Favorite Carbon Monoxide Detectors

Go through our list and select the best carbon monoxide detectors to keep you breathing fresh air.

carbon monoxide detector

BY Aron Devis   May 31 2017

Carbon monoxide (CO) can be an “invisible killer” in homes because it’s an odorless, invisible and tasteless toxic gas. It can cause asphyxiation and, in the worst cases, death. A carbon monoxide detector can alert you to high levels of CO in your home and help you get to safety immediately. Once you decide on a model, they are low maintenance, you only need to test the batteries twice a year to ensure your family will be alerted.

Nest Protect Smoke & Carbon Monoxide Alarm

From $122.00
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This is the best available carbon monoxide detector in the market, which can be connected to the Wi-Fi and it will send an alert to your phone if the alarm goes off or the batteries run low. This detector speaks up to tell you if there’s smoke or CO and where the problem is, so you know what to do. Features app silence, split-spectrum sensor and a 10-year carbon monoxide sensor.

Kidde Battery-Operated Carbon Monoxide Alarm

From $24.97
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This one’s a budget priced CO detector with a large digital display which is easy to read, even in low-light conditions. Peak-level memory displays the highest CO concentration measured since the last reset. This battery operated detector provides the best protection during power outages. Features battery safeguard, low battery signal and a slide-out battery door cover.

Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm

From $31.99
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Protect your family from the dangers of carbon monoxide (CO) exposure with the Kidde KN-COPP-3. This one’s a plug-in unit with battery backup and digital display that shows CO level. The level button displays the peak CO level recorded by the alarm since it was last reset. Has loud alarm pattern sounds when unit detects elevated CO levels. Has direct-plug, 6-foot power cord, and table top mounting options.

First Alert CO615 Dual Power Carbon Monoxide Plug-In Alarm

From $26.88
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Another budget priced CO detector with dual power which ensures continuous protection to make certain the alarm will work at all times, even during power outages. The multi-function backlit digital screen allows you easily to see the carbon monoxide level and battery power indicators at a glance without pushing any buttons.

First Alert CO400 Battery Powered Carbon Monoxide Alarm

From $19.95
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This battery-operated carbon monoxide alarm uses electrochemical carbon monoxide sensor, the most accurate technology available. A simple to use detector with silence and test buttons along with low battery warning and end-of-life timer. The electrochemical sensor allows for optimal efficiency in detecting carbon monoxide. 85db sound output further establishes the ultimate in peace of mind.

First Alert CO605 Carbon Monoxide Plug-In Alarm

From $18.49
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The First Alert CO605 plug-In carbon monoxide alarm with battery backup protects yourself and your family from the potentially deadly effects of carbon monoxide. The CO605 uses an electrochemical carbon monoxide sensor which in comparison is highly accurate, requires a lower amount of power, and boasts a longer life. This unit runs on A/C power, but in case of an electrical outage, it will switch to battery operation. Simply plug the CO605 into any wall outlet, with no additional mounting, and it’s ready to go.

Kidde KN-COSM-BA Battery-Operated Combination Smoke/Carbon Monoxide Alarm with Voice Warning

From $25.05
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The Kidde KN-COSM-BA battery-operated carbon monoxide and smoke alarm combines two important safety devices into a single unit. This alarm includes a voice warning system that makes four announcements; fire, carbon monoxide, low battery, or smart hush activation. This alarm uses ionization-sensing technology for the smoke alarm.

First Alert SA320CN Dual Sensor Battery-Powered Smoke and Fire Alarm

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This unit utilizes both ionization and photoelectric smoke sensors for optimal performance. The intelligent sensing technology reduces non-emergency or nuisance alarms. This alarm detects both flaming and smoldering fires with dual sensors and emits a loud 85 dB alarm for ample warning.