What are the best Carbon Monoxide Detectors?

Keeping your home secure is always a priority, so it's important that you've got the right tools and gadgets installed in your place. One tool you should have is a Carbon Monoxide detector to ensure that your house is free from harmful CO levels, and we've got the best ones below!

58 contributors
8 solutions
  1. 16

    #1Nest Protect S3000BWES

    Nest Protect S3000BWES

    This 2nd Gen. Carbon Monoxide and smoke alarm from Nest Protect is designed to detect smoke and CO in your home, so it could warn you through its built-in voice alarm. It can also be connected to your phone for updates and battery status.


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    Judith Jacobs
    Written on June 12, 2019
    "Best carbon monoxide detector! This alarm saved my life! I bought it for my second floor hallway, and it went off like crazy in the middle of the night, so we immediately got out and called the police. Turns out our house had such highhhh levels of CO that we needed oxygen from the hospital! "
  2. 15

    #2Kidde KN-COPP-3

    Kidde  KN-COPP-3

    Featuring a peak level button designed to display the highest CO level that your device has recorded. This Kidde Carbon Monoxide detector and smoke alarm comes with blinking LEDlights to show normal operation.


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    Hansika Rangarajan
    Written on June 12, 2019
    "Very well engineer! I really like that you can remove the transformer so you can mount it from a plug and u can also plug it directly to an outlet, or just use batteries! gives u a good power option!"
  3. 10

    #3First Alert SCO501CN-3ST

    First Alert SCO501CN-3ST

    This battery powered smoke and carbon monoxide alarm from First Alert comes with a photoelectric smoke and electrochemical CO sensor for faster detection. It can connect multiple alarms together so you'd have a wireless safety network.


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    Barbara Williamson
    Written on June 12, 2019
    "I could say this a really durable product cause when we bought it the store manager said it can go for up to 7 years, and it actually did run for 7 whole years! My husband and I were amazed to see a product hold up to how it was advertised!"
  1. 3

    #4Elvicto Combination Photoelectric Smoke

    Elvicto Combination Photoelectric Smoke

    A smoke and carbon monoxide alarm that features photoelectric sensors designed to detect smoke from smoldering fires instead of smoke from cooking. It can detect CO leaks for multiple places to ensure that you are safe inside your home.


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    Iris Bai
    Written on June 12, 2019
    "Everything works as described, even though we're cooking at home and there's smoke coming out of the pans, this one doesn't alarm, but to make sure it works we tried to light a fire from our stove and it started beeping! "
  2. 2

    #5Honeywell Ademco 5800CO

    Honeywell Ademco 5800CO

    Made with Electrochemical Sensing Technology, this wireless smoke alarm and carbon monoxide detector comes with LED status indicators and a local sounder that gives off ANSI S3.41 temporal 4 pattern when something is detected.


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    Paridhi Sen
    Written on June 12, 2019
    "Installation was smooth and easy and the guys who programmed it in our home was very nice and accomodating with our questions! Very wonderful!"
  3. 2

    #6Kidde i4618AC

    Kidde i4618AC

    Kidde i4618AC is a Firex hardwired smoke alarm with battery backup using an ionization sensing technology. This alarm is powered by your home’s electricity and will interconnect with other smoke alarms in your home.

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    Julia Sotelo
    Written on June 12, 2019
    "Got this in place of my old detectors and they have been working nicely so far, even the smoke alarms are good!"
  4. 1

    #7First Alert CO400

    First Alert CO400

    Ensure you're home is safe from fire or carbon monoxide threats with this First Alert alarm and detector designed to monitor CO levels in your space, and smoke. It has an 85-decibel alarm that sounds when it detects dangerous smoke or CO.


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    Reyansh Gupta
    Written on June 12, 2019
    "I really love this product cause itmakes me feel very safe plus you can connect it with your phone! Really handy, and the alarms are loud enough to hear from a far room."
  5. 1

    #8Kidde 9CO5-LP2

    Kidde 9CO5-LP2

    A Carbon Monoxide alarm that's designed to continuously monitor CO levels in the space you've installed it to. It works even when there's a power outage. The product also has a slide-out battery door so you can easily access batteries.


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    Martha Obrien
    Written on June 12, 2019
    "Not all hotels have detectors like this so whenever we stay somewhere, we bring this with us cause it's battery powered so it's very handy, and it really makes my family and i feel safe that we can know if there's harmul CO in our room!"


Best What are the best Carbon Monoxide Detectors
1Nest Protect S3000BWESElectronics 16 Paid
2Kidde KN-COPP-3Electronics 15 Paid
3First Alert SCO501CN-3STElectronics 10 Paid
4Elvicto Combination Photoelectric SmokeElectronics 3 Paid
5Honeywell Ademco 5800COElectronics 2 Paid
6Kidde i4618ACElectronics 2 Paid
7First Alert CO400Electronics 1 Paid
8Kidde 9CO5-LP2Electronics 1 Paid

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