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Only working smoke and carbon monoxide (CO) alarms save lives. If you live in BC and your smoke or CO alarm is broken, expired or faulty, safely dispose of it by recycling it!

Why smoke & CO alarms should be recycled

There are three main types of smoke alarm: photovoltaic smoke alarms and ionization smoke alarms. There are also combination ionization / photoelectric alarms. All three types are accepted by our program.

Smoke alarms that use ionization technology contain a small amount of radioactive material. It is protected behind a layer of metal and cannot harm you as long as it is contained. However, it can be dangerous if not disposed of correctly. In addition, all smoke and carbon monoxide (CO) alarms contain recyclable materials, such as plastic and metal, which can be recycled into new materials instead of taking up unnecessary landfill space. Proper disposal through recycling helps protect the environment and recover valuable materials.

This program currently operates only in British Columbia. If you are outside BC, please check your provincial recycling program or local household hazardous waste program for disposal options.

In 2024, the BC Alarms program diverted more than 133,923 smoke and CO alarms from BC’s landfills—laid side-by-side the equivalent of more than 30 CN towers!

How does the smoke and CO alarm recycling process work in BC?

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How to safely dispose of smoke and CO alarms

BC residents can safely dispose of unwanted, broken or expired smoke and CO alarms by dropping them off at participating BC recycling locations. Each alarm recycling location has a drop box where you can simply drop off your old alarms. These sites include bottle depots, private recycling businesses, retail stores, local government facilities, and fire departments across British Columbia. It’s free to drop off your smoke or CO alarm for safe recycling and disposal. This service is currently available only in British Columbia.

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The importance of checking your alarms

It’s important to check your alarms work correctly. The chance of a house fire fatality is reduced by half if you have working smoke alarms.

Carbon monoxide (CO) alarms sound an alert when a large amount of carbon monoxide has entered your home. Carbon monoxide poisoning can be fatal, and the gas is impossible to identify without a proper detector. It’s particularly important to have a working CO alarm if you have gas-run appliances in your home, such as a fireplace or stove.

Smoke and CO alarms should be tested once a month to make sure they’re working properly. Usually, they will have a button which you can press to test the alarm.

You should replace the batteries in your alarms once a year, even if they’re still working. It’s recommended to coordinate changing the batteries with a regular event, like a birthday, so that you remember.

If your smoke or CO alarm is more than ten years old, it should be recycled and replaced. If you notice it isn’t working correctly when tested, or after a battery change, it should also be replaced.

Visit the government of B.C.’s website for more detailed information on fire and carbon monoxide poisoning prevention.

How smoke and CO alarms are recycled

When you drop off your smoke alarms for recycling, they’re sorted by type.

  • Radioactive Element

    The radioactive element in ionization alarms is safely removed and then shipped for final disposal at a licensed radioactive waste facility.

  • Plastic

    Components are separated and crushed into small pieces.

  • Metal

    They are then used to make new products.

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