Range from the cheapest installation of a carbon monoxide alarm £49 (M.J.H Electrical based in ME3) to the dearest installation of a carbon monoxide alarm £144 (B M Electrical Services based in ME4).
Comparing electricians estimates for fitting a carbon monoxide detector gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to install carbon monoxide alarm in ME3 by posting a job with HaMuch and we will send it to electricians in ME3.