The Best Carbon Monoxide Detectors

Carbon Monoxide Detectors: Reviews, Top Picks, Buying Guide & FAQ

πŸ₯‡ Rank #1
BQQZHZ
94 %
βœ”οΈ Highly Recommended!
πŸ₯ˆ Rank #2
Kidde
92 %
βœ”οΈ Highly Recommended!
πŸ₯‰ Rank #3
Vitowell
90 %
βœ”οΈ Highly Recommended!
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Carbon Monoxide Detectors: Editor's Overview

Last Updated on Thursday, August 6th, 2020.

Carbon monoxide detectors are indispensable utilities of a safe home. They do not just sound alarms when the gas concentration is too high; they also save lives and property that could otherwise have gone into flames. In this guide, we have reviewed some of the best smoke and carbon monoxide detectors you can get started with. We hope you will find an excellent one for your new home or rental.

How we Reviewed and Ranked Carbon Monoxide Detectors

To create our buying guide for the best carbon monoxide detectors of Aug 2020, we analyzed 9,061 user reviews across 8 products with an average user rating of 4.3 stars. Our scoring algorithms remove fake reviews, consider expert reviews on other websites and monitor search engine interest to determine our confidence in your satisfaction with your purchase.
8
Products Reviewed
9,061
Reviews Analyzed
4.3 ⭐
Average User Rating
$53.47
Average Price
86%
Average ProductAdvisor Score
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The Best Carbon Monoxide Detectors of Aug 2020


Rank #1


βœ”οΈ We Highly Recommend This Product!
28
Reviews Analyzed
4.7 ⭐
Average User Rating
$18.99
Latest Price
94%
Our Score

The combined smoke and carbon monoxide detector is a low power yet powerful device that can keep your family safe from the deadly carbon monoxide. The device can be installed by anyone since there is no wiring required. When the alarm goes off, it will produce a loud noise that's sufficient to waken deep sleepers.

Key Features

  • Battery operated (9V)
  • Accurate and loud alarm
  • Combined smoke and carbon monoxide detector
  • Dual high stability sensors
Rank #2


βœ”οΈ We Highly Recommend This Product!
2,814
Reviews Analyzed
4.6 ⭐
Average User Rating
$16.77
Latest Price
92%
Our Score

The Kidde KN-COPP-B-LPM battery-operated CO alarm provides continuous monitoring of CO levels, even during power outages when many CO incidents occur. The digital display feature allows for easy viewing of carbon monoxide levels from 30-999 ppm (parts per million). This is a high precision device detecting as low as 11 PPM CO levels to keep you out of danger.

Key Features

  • Digital display
  • Battery operated
  • Combined smoke and CO alarm
  • Single press reset/test button
Rank #3


βœ”οΈ We Highly Recommend This Product!
72
Reviews Analyzed
4.5 ⭐
Average User Rating
$19.99
Latest Price
90%
Our Score

Combination smoke and carbon monoxide detector use a photoelectric detection mechanism to keep you away from the threat posed by smoke and carbon monoxide while minimizing false alarms. The battery-powered smoke carbon monoxide detector can be installed quickly and easily. It is suitable for installation in any areas where carbon monoxide can be produced include your garage, the kitchen, bedroom, and bathroom.

Key Features

  • Battery operated for convenience
  • Sleek design
  • Low power alert
  • Digital LCD
Rank #4


βœ”οΈ We Recommend This Product!
1,996
Reviews Analyzed
4.4 ⭐
Average User Rating
$110.72
Latest Price
88%
Our Score

Nest Protect smoke and carbon monoxide alarm have been completely redesigned. It has a Split-Spectrum smoke sensor, can be hushed from your phone, tests itself automatically, and lasts up to 10 years. It also speaks to tell you what's wrong and can even alert your phone. Nest protect available in a Long-life battery or Wired 120V.

Key Features

  • Available in battery or wired design
  • High sensitivity
  • Connects to phone for alerts and control
  • Features an LED light
Rank #5


βœ”οΈ We Recommend This Product!
54
Reviews Analyzed
4.4 ⭐
Average User Rating
$26.99
Latest Price
88%
Our Score

The carbon monoxide detector cum alarm is built with high sensitivity chips to ensure prompt and accurate info. The device is powered by three standard AA batteries and is therefore convenient to use in areas without power outlets. It is effortless to install and operate.

Key Features

  • Battery-powered
  • 360-degree protection
  • Easy installation
  • Combined smoke and carbon monoxide detector
Rank #6


βœ”οΈ We Recommend This Product!
2,139
Reviews Analyzed
4.3 ⭐
Average User Rating
$29.44
Latest Price
86%
Our Score

There's nothing more important than keeping your family and home safe, and when fires are a very common type of emergency a homeowner can face, you want to be prepared. The Kidde KN-COSM-BA combination Fire Detector and Carbon Monoxide Detector pairs two life-saving devices into one unit. It uses an ionization sensor and electrochemical sensor to monitor your home for potential hazards, so you will always feel safe and confident.

Key Features

  • Battery-powered
  • Voice announcements
  • Combined detector for both smoke and carbon monoxide
  • Has a hush feature to silence alarms temporarily
Rank #7


βœ”οΈ We Recommend This Product!
1,750
Reviews Analyzed
4.2 ⭐
Average User Rating
$34.85
Latest Price
84%
Our Score

The First Alert SCO5CN Combination Smoke and Carbon Monoxide Alarm feature dual sensors to detect both smoke and carbon monoxide in a single device. A loud, 85-decibel siren alerts you to the threat; unique alarm sounds and indicator lights on its face distinguish a smoke warning from a carbon monoxide warning. Requiring just two AA batteries and featuring an easy-access battery compartment for quick changes, this smoke, and carbon monoxide detector has a single button that silences a false alarm or tests the unit.

Key Features

  • Not hardwired
  • 85dB alarm alert
  • Electrochemical and photoelectric sensors
  • Easy to install and use
Rank #8


⚠️ Some Issues Reported with This Product
208
Reviews Analyzed
3.3 ⭐
Average User Rating
$169.99
Latest Price
66%
Our Score

Protect your home and your family, and enjoy a hands-free voice-controlled speaker with a great audio experience at the same time. First Alert's Onelink Safe & Sound is a smart smoke, and carbon monoxide alarm with Alexa Voice Services enabled. The Alexa enabled carbon monoxide detector does not just alert you of dangerous levels of the gas in your house; it is also an excellent tool for hands-free music playback.

Key Features

  • Alarm and voice alerts
  • Remote notifications on mobile
  • Alexa enabled
  • Easy interconnectivity

Carbon Monoxide Detectors: Buying Guide

These are the main factors to examine before purchasing your carbon monoxide detectors.

⏰ Setup Time

The smoke and carbon monoxide detectors listed can easily be set up within 5 to 10 minutes. Some others may take less.

πŸ•’ Service Time

How long will the smoke and carbon monoxide detector serve you before reaching the end of life? This is an important consideration, and it helps you decide if the device is worth buying. All the devices appearing in this review have a service life ranging from three years to 10 years.

βš™οΈ Ease of Use

The devices we have reviewed are very easy to use. Some of them are button controlled while others can be controlled from your phone.

⚑ Power Source

The smoke and carbon monoxide detectors we have reviewed are powered by either replaceable/non-rechargeable batteries or a connection to the house power line.

Frequently Asked Questions


No. Some will require you to buy batteries separately. There are also wired carbon monoxide detectors that do not need batteries.

There is no universal height where you should mount your carbon monoxide detector. However, it should be installed at least one foot above the ground and in an open space for efficiency. You can also mount the detector on your ceiling, and it will work fine.

The LCD is not mandatory on smoke and carbon monoxide detectors. If the detector works well without it, then you should not worry. The LCD is only used to show the carbon monoxide levels in the house or surrounding.

The devices we have reviewed in this article have service life ranging from three to ten years. Some others in the market will have values lower or above this.

The average price of a carbon monoxide detector is $53.47. They range in price from $16.77 to $169.99

The best carbon monoxide detector for the money is the BQQZHZ Combination Smoke and Carbon Monoxide Detector. It costs $18.99 on Amazon.com

The cheapest carbon monoxide detector is the Kidde Carbon Monoxide Alarm Detector. It costs $16.77 on Amazon.com

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Compare Carbon Monoxide Detectors

Our editors selected the following Carbon Monoxide Detectors for consideration in our list.
Brand Product Score Price Reviews Rating Weight Dimensions
BQQZHZ BQQZHZ Combination Smoke and Carbon Monoxide Detector 94% $18.99 28 4.7⭐ 0.00 lbs 0 W x 0 L x 0 H
Kidde Kidde Carbon Monoxide Alarm Detector 92% $16.77 2,814 4.6⭐ 0.01 lbs 1.5 W x 4.5 L x 2.75 H
Vitowell Vitowell Smoke and Carbon Monoxide Detector 90% $19.99 72 4.5⭐ 0.00 lbs 0 W x 0 L x 0 H
Google Google S3000BWES Carbon Monoxide Detector 88% $110.72 1,996 4.4⭐ 1.00 lbs 1.5 W x 5.3 L x 5.3 H
BQQZHZ BQQZHZ Smoke and Carbon Monoxide Detector 88% $26.99 54 4.4⭐ 4.47 lbs 0 W x 0 L x 0 H
Kidde Kidde Smoke and Carbon Monoxide Detector 86% $29.44 2,139 4.3⭐ 0.80 lbs 5.6 W x 1.8 L x 5.6 H
FIRST ALERT FIRST ALERT SCO5CN Smoke and Carbon Monoxide Detector 84% $34.85 1,750 4.2⭐ 0.60 lbs 5 W x 2 L x 5 H
FIRST ALERT FIRST ALERT Smoke Detector and Carbon Monoxide Detector 66% $169.99 208 3.3⭐ 1.76 lbs 7 W x 7 L x 2 H
Brand Product Score Price Reviews Rating Weight Dimensions

Best Carbon Monoxide Detector Brands

The following brands make the best Carbon Monoxide Detectors in the market.

Sources

Thank you to these resources for helping us compile this page
https://www.health.com/home/best-carbon-monoxide-detectors
A carbon monoxide detector, or CO detector, is a seemingly simple appliance that could save your lif...
https://bestreviews.com/best-carbon-monoxide-detectors
Q. Is a digital carbon monoxide detector safer than other types of carbon monoxide detectors? A. A d...
https://www.thespruce.com/best-carbon-monoxide-alarms-to-buy-4136773
Best High-End: Nest Protect Smoke & Carbon Monoxide Alarm at Amazon "Conveniently test the alarm and...
https://www.safewise.com/resources/carbon-monoxide-detectors-guide/
Nest Protect combines smoke and carbon monoxide detection and works with an app. When you download i...
https://www.bestadvisor.com/carbon-monoxide-detectors
The best carbon monoxide detector is the one that never goes off, which is true in relation to devic...
https://thoroughlyreviewed.com/home-kitchen/carbon-monoxide-detector-review/
This type of carbon monoxide detector uses less power than other types of detectors and it lasts lon...
https://www.consumerreports.org/cro/smoke-carbon-monoxide-detectors.htm
Basic smoke detectors start at $15, with carbon monoxide detectors costing $35 and up. Newer models ...
https://www.safety.com/carbon-monoxide-detectors/
Luckily, most hardwired carbon monoxide detectors now include a backup battery to ensure protection ...
https://www.bobvila.com/articles/best-carbon-monoxide-detector/
Just like the best smoke detectors, carbon monoxide detectors need to be listed by Underwriters Labo...
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