The Ontario Building Code | Location of Carbon Monoxide Alarms
6.2.12.2. Location of Carbon Monoxide Alarms
(1) Where a fuel-burning appliance is installed in a suite of residential occupancy, a carbon monoxide alarm shall be installed adjacent to each sleeping area in the suite.
(2) Where a fuel-burning appliance is installed in a service room that is not in a suiteof residential occupancy, a carbon monoxide alarm shall be installed,
(a) adjacent to each sleeping area in every suite of residential occupancy that is adjacent to the service room, and
(b) in the service room.
(3) Where a storage garage is located in a buildingcontaining a residential occupancy, a carbon monoxide alarm shall be installed adjacent to each sleeping area in every suite of residential occupancythat is adjacent to the storage garage.
In Plain Language
Where a fuel-burning appliance is installed in a suite of residential occupancy, a carbon monoxide alarm must be installed in a location meeting the specific placement requirements set out in this article.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.