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Battery-operated Carbon Monoxide Detector

Ratings & Reviews for First Alert Battery-operated Carbon Monoxide Detector

4.6
2246
Review
 4.6 out of 5
2247 Reviews


93% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this carbon monoxide detector for its reliability and ease of use. Most highlight effortless installation requiring no tools and taking just minutes to set up. Many emphasize the peace of mind and emotional reassurance the device provides for home safety, particularly for families with gas appliances. Reviewers consistently commend the affordable price-to-performance ratio, calling it excellent value. The detector works as advertised with consistent functionality and battery backup reliability. A few report minor issues with battery door installation, but these are vastly outweighed by positive feedback. Overall, customers strongly recommend it as an essential, cost-effective safety device.

Customer review summary generated by AI, including incentivized reviews.
2247 Customer Reviews

Remains to be seen.

Would Not Recommend

Just got it so it remains to be seen. It's already 2 years od from the date on it and they only last 10 years. The last one failed and died at a little over 8 years at 3:57 AM!!! the Fire Dept and I were not amused.

March 23, 2026
From Plug-in Carbon Monoxide Detector Verified Purchaser
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Response from FirstAlertProductExpert

Hi MatildaQ, thank you for your review of the Plug-in Carbon Monoxide Detector. This model has 7 years of warranty from the date of purchase. We reco...

FirstAlertProductExpertMarch 23, 2026

FirstAlert

Good timrt

Works good

March 16, 2026
From Plug-in Carbon Monoxide Detector Verified Purchaser
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Good product

Would Recommend

Replacements for outdated ones

March 16, 2026
From Battery-operated Carbon Monoxide Detector 2 -Pack Verified Purchaser
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No 10 year battery

Would Recommend

I like the plug-in version of the CO detector

March 14, 2026
From Plug-in Carbon Monoxide Detector 2 -Pack Verified Purchaser
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Came broken

Would Not Recommend

Faulty battery, kept going off when other sensor were not

March 14, 2026
From Battery-operated Carbon Monoxide Detector 2 -Pack Verified Purchaser
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Response from FirstAlertProductExpert

Hi Hillary, thank you for bringing this to our attention. We will be happy to troubleshoot and provide recommendations to prevent nuisance alerts. Fe...

FirstAlertProductExpertMarch 17, 2026

FirstAlert

A very good and useful product

Would Recommend

I am a happy customer

March 13, 2026
Verified Purchaser
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Carbon monoxide detector

Would Recommend

This is easy to install battery and to use, and helps protect the safety of your household.

March 12, 2026
From Plug-in Carbon Monoxide Detector Verified Purchaser
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Great for Home Safety

Would Recommend

Quick and easy shopping with fair pricing and clean store.

March 12, 2026
Verified Purchaser
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Easy to install

Would Recommend

Very easy to install. Came with battery. Easy to test.

March 10, 2026
From Battery-operated Carbon Monoxide Detector 2 -Pack Verified Purchaser
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Easy to install

Would Recommend

Ease of installation. Came with battery. Easy to test.

March 10, 2026
Verified Purchaser
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Quick delivery

What i needed

March 9, 2026
Verified Purchaser
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easy to set up

Would Recommend

like

March 8, 2026
Verified Purchaser
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Easy to use

Would Recommend

Two for the price is always a good deal and easy instructions

March 8, 2026
From Battery-operated Carbon Monoxide Detector 2 -Pack Verified Purchaser
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