Advice for Carbon Monoxide Alarms from Health Canada

Due to the COVID-19 pandemic, many of us have turned to making everyday purchases online to reduce our exposure and follow local public health guidelines. You should know, however, that there are also potential risks with purchasing certain products, especially online.

For example, did you know that smoke or carbon monoxide alarms that are not certified by Canadian standards can pose a health or safety risk? When purchasing smoke or carbon monoxide alarms. either online or in-store, look for a Canadian certification mark. Products that do not have a recognized Canadian certification mark may not meet Canadian performance standards and could fail or operate incorrectly. This could pose a risk to consumers who may not be alerted to a fire or CO incident in their home.

When purchasing a smoke or CO alarm, look for a recognized Canadian certification mark such as CSA, cUL, ULC or cETL, which should appear directly on the product, not just its packaging. If the certification information is not available on the product website, ask the seller to confirm that the product is certified to Canadian standards and that it bears a Canadian certification mark before you buy it.

If you are not sure, do not take the risk of purchasing the product. Here are some common Canadian certification mark examples you may find on smoke and CO alarms:



For more information, see the Health Canada advisory.


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