Carbon monoxide alarms are required in Ontario homes that contain fuel-burning appliances or attached garages. This includes many detached homes, townhomes, condos, rental units, and retirement residences. Fully electric buildings without attached garages are typically exempt.

Yes. Updated Ontario Fire Code requirements state that carbon monoxide alarms must be installed on every storey of applicable residential buildings, including basements and occupied levels.

CO alarms should be installed within 10 metres (33 feet) of sleeping areas and near fuel-burning appliances such as furnaces, fireplaces, boilers, and water heaters. In multi-unit buildings, additional alarms may be required in hallways and common areas.

Landlords and property owners are responsible for ensuring carbon monoxide alarms are properly installed, maintained, and functioning in rental properties in accordance with Ontario Fire Code requirements.

Yes. Retirement homes and assisted living facilities that contain fuel-burning equipment or attached parking structures must comply with Ontario carbon monoxide alarm regulations to help protect residents and staff.

Carbon monoxide alarms should be tested regularly according to manufacturer instructions. Batteries should be replaced as needed, and expired units should be replaced immediately to maintain compliance and protection.

Failure to comply with Ontario Fire Code requirements can result in safety risks, fines, liability issues, and enforcement actions. Proper installation and routine inspection help ensure both compliance and occupant safety.