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Battery-operated Carbon Monoxide Detector

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

4.6
2241
Review
 4.6 out of 5
2243 Reviews


94% 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.
2243 Customer Reviews

stay safe

Would Recommend

I bought this carbon monoxide detector 2-pack as the second part of a housewarming gift for a friend who has access to gas.

April 10, 2026
From Plug-in Carbon Monoxide Detector 2 -Pack Verified Purchaser
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Old stock

Would Not Recommend

I purchased these in Oct 2025 and they both started beeping today. Installed new batteries and they still beep. Checked the date code and they were over 2 years old when purchased. They only have an 8 year life, so 26 months were used up sitting in stock.

April 10, 2026
From Plug-in Carbon Monoxide Detector 2 -Pack Verified Purchaser
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Response from FirstAlertProductExpert

Hi Jerry, thank you for your review of the Plug-in Carbon Monoxide Detectors. This product has 7 years from the date of purchase. This warranty is va...

FirstAlertProductExpertApril 13, 2026

FirstAlert

CO detectors a MUST

Would Recommend

CO detectors a MUST, don’t overlook this safety issue. These are easy to use and last years.

April 10, 2026
From Plug-in Carbon Monoxide Detector 2 -Pack Verified Purchaser
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It’s great

Would Recommend

Easy to install

April 10, 2026
From Plug-in Carbon Monoxide Detector Verified Purchaser
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This carbon monoxide detector is easy to install.

Would Recommend

The back side of the detector has a list of what the number of beeps indicate.

April 9, 2026
Verified Purchaser
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It works perfectly

Would Recommend

I like the price and the ease to install

April 9, 2026
Verified Purchaser
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Good for ten years

Would Recommend

Easy plug in

April 8, 2026
From Plug-in Carbon Monoxide Detector Verified Purchaser
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My time isn’t free.

I’m not reviewing this. Lowes should have vetted this product before selling it to customers

April 7, 2026
From Plug-in Carbon Monoxide Detector Verified Purchaser
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Response from FirstAlertProductExpert

Hi, we are sorry that you feel this way. We would like to get the details about what you are experiencing with your detector and help making sure tha...

FirstAlertProductExpertApril 10, 2026

FirstAlert

Family Life Saver

Would Recommend

Reasonably priced. Easy to set up.

April 5, 2026
Verified Purchaser
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Long lasting.

Would Recommend

Great product- had previous one for 5-6 years.

April 3, 2026
Verified Purchaser
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