Honeywell XC70 review
Test resultShow Context
The Honeywell XC70 carbon monoxide alarm comes with a sealed seven-year battery and this means that for the time that you own it, you won't need to change the battery. After seven years, the alarm will let you know it has reached the end of its life and needs to be replaced. But how well does this Honeywell carbon monoxide (CO) alarm detect CO? We tested it back in 2018 to find out. Read on for the full results of our tests.
- Pros and cons
First reviewed by Which?
August 2018
Released
May 2014
Technical specifications
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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