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First Alert
First Alert Gas and Carbon Monoxide Alarm
Model: GCO1CNColor: Gray/WhiteUPC: 29054000255
Lowest at Amazon
$52.00 at AmazonLowest at any Popular Retailer
$52.00 at AmazonWhere to Buy
Prices last updated: May 3rd 2026 11:57 pm
Pros
- •Considered a safety musave in homes with gas appliances.
- •Easy to set up, making installation straightforward for most users.
- •Features a backlit digital display for easy reading in various lighting conditions.
Cons
- •15% of reviews mention it fails to detect natural gas effectively.
- •Some users reported the device was dead on arrival.
- •Reports of the device having a shorter lifespan than advertised.
- •A few users experienced issues with the size fitting into particular spaces.
- •Some reviews mentioned a convoluted setup despite others finding it easy.
Bottom Line
The First Alert Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display is a solid choice for enhancing home safety, especially if you have gas appliances. While setup is generally easy, users have noted potential reliability concerns like failing to detect natural gas and a shorter than expected lifespan. Ensure the alarm fits your space and double-check operation regularly to mitigate these issues.
What Reviewers Are Saying
Praised
safety must have3%
easy setup7%
Criticized
fails to detect natural gas13%
dead on arrival3%
size issue3%
convoluted setup3%
shorter than advertised life3%
battery expired3%
design blocks outlets7%
hard to read display7%
📚More About First Alert Gas and Carbon Monoxide Alarm
Discussion
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