Kidde Long Life Carbon Monoxide Alarm 10LLCO review
Test resultShow Context
The clue is in the name of the Kidde Long Life Carbon Monoxide Alarm 10LLCO – it should last up to 10 years before you’ll need to replace it. Along the way you won’t even need to replace the batteries, which are safely sealed inside the unit. But does it pair this long life with the ability to detect even small concentrations of carbon monoxide in the air? We put the Kidde carbon monoxide detector through a series of gas detection tests back in 2016 to find out.
What's included:- Pros and cons
Last checked by Which?
March 2022
First reviewed by Which?
August 2016
Released
January 2016
Technical specifications
The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.
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