The Ontario Building Code | Residential Furnaces After December 31, 2014
12.3.1.5. residential Furnaces After December 31, 2014
(1) Sentence (2) applies to construction for which a permit has been applied for after December 31, 2014.
(2) A furnace serving a dwelling unit shall be equipped with a brushless direct current motor.
Note: On July 1, 2017, Article 12.3.1.5. of Division B of the Regulation is revoked and the following substituted: (See: O. Reg. 139/17, s. 146)
12.3.1.5. residential Furnaces
(1) A furnace serving a house or an individual dwelling unit shall be equipped with a brushless direct current motor.
In Plain Language
For construction permitted after December 31, 2014, a furnace serving a dwelling unit must be equipped with a brushless direct current motor, as set out in this article, a more energy-efficient motor technology than older AC motor designs.
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.