Where Should A Co Alarm Be Located. This could repeatedly prompt false alarms. The only exception to this is a boiler cupboard where you should look to place your alarm outside of the cupboard as the closed-door can muffle the sound of the alarm.
Near sources of CO. Because carbon monoxide is slightly lighter than air and also because it may be found with warm rising air detectors should be placed on a wall about 5 feet above the floor. Generally you should not place a carbon monoxide alarm closer than 3 feet in a horizontal path from the tip of the blade of a ceiling or suspended paddle fan.
Do not place the detector right next.
In order to maximize the protection of your home from excess levels of carbon monoxide place your detectors in all of the following places. You should place a CO detector in each major area of your home. This means you do NOT need to install alarms near the floor. Ideally around 15cm from the ceiling.
