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Unbranded Carbon monoxide alarm 6 review

Product alert

Don't Buy this carbon monoxide (CO) alarm – it failed to sound in nine of our carbon monoxide detection tests

We’re half-way through our tests of this unbranded carbon monoxide alarm and it has already failed to sound in nine of our testsp>

Because of these failures to detect CO we have made this alarm a Don’t Buy.

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Reviewed

This is a dangerous carbon monoxide (CO) alarm – it failed to detect the deadly gas in nine of our tests, and that’s why we’re making it a Don’t Buy. We bought it from eBay, but it’s also available from other online marketplaces. If you have an alarm that looks like this in your home, your best course of action is to replace it with one of our Best Buys, or one from a well-known brand that you buy from a high street shop or reputable online retailer.

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Test results

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

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We have tested 28 carbon monoxide detectors and found that there are 11 Don't Buys and 17 Best Buys.
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Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

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