Is there any code that specifies a minimum required distance between a
ceiling-mounted smoke detector and a ceiling-mounted CO (carbon
monoxide) detector? My initial thought is that since there are
commercially available combo smoke/CO detectors, installing them next
to each other wouldn't be an issue. However, I wasn't sure if there
was any code or other requirement that applied to the installation of
two discrete units.
Nope, shouldn't make a difference at all. Aesthetically, it might look nicer to
combo unit if they're going to be side-by-side. Bear in mind that a CO detector
need to be mounted high like a smoke detector, so you can install one pretty
anywhere there's airflow.
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