| | Carbon Monoxide DetectorsCarbon Monoxide (CO) is a colourless, odourless gas. You can not see it, taste it or smell it and it can kill you. Exposure to low levels of CO over a period of time is also harmful and can cause serious health problems.
Features to look for in a Carbon Monoxide Detector- Look for a listing with ULC (Underwriter's Laboratories of Canada), CGA (Canadian Gas Association) or CSA (Canadian Standards Association).
- Choose a detector with a memory so you can monitor long-term low level and short-term high level exposure by pressing a button.
- Battery operated detectors can be used in areas where electrical power is not available however changing batteries is top priority by the homeowner. Plug in types may be best.
- Do not plug in detectors to outlets controlled by a wall switch.
- No detector will last forever, replace at least every five years or as recommended by the manufacturer.
- Eventually manufacturers will be required to print expiry dates on the detectors, this will ensure you are purchasing an up to date detector.
Where should I install a CO detector?
CO is roughly the same weight as air and distributes evenly throughout a room so it can be placed at any height. Hearing it is the most important feature with its location. Place the detector where you can hear it when you are sleeping.
Avoid damage and false alarms. The following locations are NOT RECOMMENDED:- Unheated garages, basements and attics
- Areas of high humidity
- Exposure to chemical solvents or cleaners, including hairspray and deodorant sprays
- Near vents, flues or chimneys
- Within 6 feet of heating and cooking appliances
- Within 6 feet of corners or areas where natural air circulation is poor
- Areas where damage can occur, high traffic areas
- Where directly exposed to weather
Measures should be taken to eliminate the sources of carbon monoxide. These tips and acceptable levels of CO can be found in CMHC's 'About Your House' series, titled, Carbon Monoxide.
You can download this publication from our web site at www.cmhc-schl.gc.ca
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