The Ontario Building Code | Appliance Standard
9.22.10.1. Appliance Standard
(1) Fireplace inserts and hearth mounted stoves vented through the throat of a fireplace shall conform to ULC-S628, "Fireplace Inserts".
In Plain Language
Factory-built fireplace appliances must conform to the standard referenced in this article, ensuring recognized safety and performance criteria are met.
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.