Avoid installing a CO alarm near bathrooms or in shower areas; in closets, crawlspaces, unused attics or unheated areas; within 5 feet of any fuel burning appliance; within one foot of any wall or corner; in rooms where chemicals or cleaning supplies are frequently used; directly above a sink, bathtub or basin; directly above or below air exchange or heating vents and behind drapes, furniture or appliances or in any other dead air space.
You should always consult your user manual which contains instructions specific to your smoke alarm model. If you do not have a copy of your user manual, please click here to visit the quell resource library where you will be able to download a copy.