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Nov 16, 2023

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There's nothing scarier than knowing that despite locking your doors, danger could creep through your home at any time and claim the lives of your family members.

It can be even more frightening when that danger is silent, odorless, tasteless, and often appears without warning; all trademarks of carbon monoxide poisoning.

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Carbon monoxide is a silent killer that claims over 400 lives in the U.S. each year. Thankfully it's easy to prevent this tragedy. Simply install a working carbon monoxide detector in your home.

Sensing danger before it's too late, carbon monoxide detectors emit an alarm when carbon monoxide gasses reach a dangerous level, alerting people that they need to immediately evacuate the space and move to fresh air.

But, when so much is riding on one little detector and so many detectors are on the market, you’re going to want to make sure the one that you purchase is tested and reviewed.

Shop our curated list of the top 11 CO detectors available for purchase on Amazon, all ranked by reviewers just like you.

Kidde is a well-known brand name in the safety industry, so it only makes sense that the Kidde Carbon Monoxide Detector with Battery Backup would be one of the most highly rated carbon monoxide detectors on the market, with over 20,000 reviews landing it at 4.5/5 stars.

Plugging directly into a standard U.S. outlet, the detector emits an 85-decibel alarm when it detects dangerous levels of carbon monoxide. And, utilizing two (included) AA batteries as a battery backup, you’re still protected in the event of a power failure.

Get the Kidde Carbon Monoxide Detector AC-Plug-In with Battery Backup on Amazon for $20

Another well-known name in home safety, First Alert also holds a high spot in the happy Amazon review department. Its 3-pack Carbon Monoxide Detector CO605 is designed to be plugged directly into a standard U.S. outlet, and it also sports an additional backup battery function.

This detector has over 12,000 happy reviewers agreeing that it is an easy purchase choice when you are looking to protect multiple levels of your home. Warrantied for seven years, these detectors will sound a chirp when it's time to replace them.

Get the First Alert 3-pack Carbon Monoxide Detector CO605 on Amazon for $72

Google Nest Protect Smoke Alarm and Carbon Monoxide Detector is the perfect choice for the techie who appreciates having their home streamlined on a Google platform, and 11,000 glowing Amazon reviewers will back us up.

Upscale in design and function, this detector provides a verbal warning when either smoke or carbon monoxide is present, and at the same time sends an alert to your phone so that even if you aren't home when a dangerous situation occurs, you are still alerted that it's happening. This is a huge bonus for individuals with children or elderly family members who may need additional assistance.

And as if that isn't enough, the Google Nest Protect Smoke and Carbon Monoxide Detector also self-tests its own batteries, providing you with a status update each night before you go to bed.

Get the Google Nest Protect Smoke and Carbon Monoxide Detector on Amazon for $119

Appealing to homes where housing code compliance requires carbon monoxide detectors throughout the home or in all sleeping areas, the First Alert BRK SC9120B 6-pack Hardwired Smoke and Carbon Monoxide Detector with Battery Backup is installed by hardwiring directly into your home's electrical system.

Perfect for replacing your current-but-expired hardwired detectors, or as an addition to new construction, it has over 19,000 positive reviews.

Complete with additional battery back-up, you can rest safely knowing your family is still protected even in the event of a power failure.

Get the First Alert Hardwired Smoke and Carbon Monoxide Detector with Battery Backup on Amazon for $33

While you can't see, smell, or taste carbon monoxide, you can see exactly how much of it is in your home with the First Alert CO615 Dual-power Plug-in Carbon Monoxide Detector with Battery Backup and Digital Display.

Offering a back-lit display that showcases the level of carbon monoxide the detector is sensing, the First Alert CO615 utilizes an electromechanical sensor, which is the most sensitive carbon monoxide equipment on the market. This is a feature that over 6,000 Amazon reviewers appreciated when they gave it a high satisfaction rating.

Get the First Alert CO615 Dual-Power Plug-In Carbon Monoxide Detector with Battery Backup and Digital Display on Amazon for $36

A fan favorite on Amazon with more than 26,000 reviews landing it at 4.5 out of 5 stars, the First Alert Powered Alarm SCO5CN Combination Smoke and Carbon Monoxide Detector is perfect for spaces that don't have access to an outlet, such as an unfinished basement, garage, attic, or even rooms where all the outlets are already being utilized.

Backed by the First Alert name and running entirely on battery power, this detector requires only two AA batteries to function, which are easy to change with the fully accessible battery compartment.

Get the First Alert Powered Alarm SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated on Amazon for $50

Utilizing Z-wave technology, the First Alert 2-in-1 Wave Wireless Smoke Detector & Carbon Monoxide Alarm is certified to work with a variety of home monitoring systems such as Ring, Samsung SmartThings, and Nexia Home Intelligence.

Reviews of the detector are pretty stellar, with several reviewers describing how the detector alerted their phone to a danger at their home even when they were not even present, allowing them ample time to call 911 and avoid disaster.

Battery powered and not requiring an outlet to function, the First Alert 2-in-1 Wave Wireless Smoke Detector & Carbon Monoxide Detector can be ceiling mounted wherever you’d like protection.

Get the First Alert 2-in-1 Z-Wave Wireless Smoke Detector & Carbon Monoxide Alarm on Amazon for $50

Appealing to Apple lovers everywhere, the First Alert Onelink Safe & Sound Smart Hardwired Smoke and Carbon Monoxide Alarm and Premium Home Speaker with Amazon Alexa detector is pretty much the Rolls Royce of carbon monoxide detectors.

Alexa enabled and Apple HomeKit compatible, this detector features a state-of-the-art Omni directional speaker. With mobile and voice controls, full Alexa and music streaming capabilities, and the safety protection of carbon monoxide monitoring and alarm detection, this detector makes your home both a safe space as well as a fun place.

Easy to install, this detector can replace and network directly into (and link with) your existing hardwired carbon monoxide detectors, avoiding the need to rewire.

Get the First Alert Onelink Safe & Sound Smart Hardwired Smoke and Carbon Monoxide Alarm and Premium Home Speaker with Amazon Alexa on Amazon for $217

Over 3,000 Amazon reviewers hold a special appreciation for First Alert's BRK PRC710 Smoke and Carbon Monoxide Alarm with Built-in 10-year Battery, due to its amazing set-it-and-forget-it design.

Complying with 10-year regulations and requirements, this detector runs entirely on an enclosed 10-year lithium battery. What that means is that not only does it not require an outlet or hardwiring for power, but you also don't even have to remember to change the batteries; simply replace the entire detector when it begins to chirp its 10-year end-of-life alert.

Get the First Alert BRK PRC710 Smoke and Carbon Monoxide Alarm with Built-in 10-year Battery on Amazon for $36

Value priced while still packing nearly 15,000 positive Amazon reviews, the Kidde Battery Operated Carbon Monoxide Alarm with Digital Display is just as easy to use as it is on the wallet.

Powered by three AAA batteries, the easy-to-read LCD display indicates how much carbon monoxide the detector is detecting, while an 85-decibel alarm is standing ready to alert you if the level becomes dangerous.

And for added peace of mind, a pulsing LED light lets you know that the detector is receiving power so that you can be assured it's working hard to protect you and your family.

Get the Kidde Battery Operated Carbon Monoxide Alarm with Digital Display on Amazon for $25

The X-sense Carbon Monoxide Detector Alarm with Digital LCD Display may be a lesser known brand, but it offers features that other companies do not, which for some families might be exactly what they need.

Wall mounted or free standing, and running on a 10-year lithium battery, this detector flashes three different colors: Red for alarm, yellow for failure, or green for power. This is a vital feature for individuals who may have differences in their hearing, cognition, or any other number of needs.

Fully portable, this detector not only works well in the home but can also travel easily, offering assurance where standard hotel or home-away-from-home detectors may not suit accommodation needs.

Get the X-sense Carbon Monoxide Detector Alarm with Digital LCD Display on Amazon for $30

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Prices were accurate at the time this article was published but may change over time.

Get deals and shopping advice delivered straight to your phone. Get the Kidde Carbon Monoxide Detector AC-Plug-In with Battery Backup on Amazon for $20 Get the First Alert 3-pack Carbon Monoxide Detector CO605 on Amazon for $72 Get the Google Nest Protect Smoke and Carbon Monoxide Detector on Amazon for $119 Get the First Alert Hardwired Smoke and Carbon Monoxide Detector with Battery Backup on Amazon for $33 Get the First Alert CO615 Dual-Power Plug-In Carbon Monoxide Detector with Battery Backup and Digital Display on Amazon for $36 Get the First Alert Powered Alarm SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated on Amazon for $50 Get the First Alert 2-in-1 Z-Wave Wireless Smoke Detector & Carbon Monoxide Alarm on Amazon for $50 Get the First Alert Onelink Safe & Sound Smart Hardwired Smoke and Carbon Monoxide Alarm and Premium Home Speaker with Amazon Alexa on Amazon for $217 Get the First Alert BRK PRC710 Smoke and Carbon Monoxide Alarm with Built-in 10-year Battery on Amazon for $36 Get the Kidde Battery Operated Carbon Monoxide Alarm with Digital Display on Amazon for $25 Get the X-sense Carbon Monoxide Detector Alarm with Digital LCD Display on Amazon for $30 There's a lot more where this came from. Reviewed Facebook Twitter Instagram TikTok Flipboard
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