The Ontario Building Code | Carbon Dioxide Equivalents
12.2.2.1. Carbon Dioxide Equivalents
(1) Except as provided in Sentence (2), all buildingsshall be designed to conform to the CO2e emission requirements set out in MMAH Supplementary Standard SB-10, "Energy Efficiency Requirements".
Note: On July 1, 2017, Sentence 12.2.2.1.(1) of Division B of the Regulation is amended by striking out "MMAH" and substituting "MMA" (See: O. Reg. 139/17, s. 144)
(2) This Article does not apply to,
(a) a buildingor part of a building of residential occupancy that is within the scope of Part 9 and is intended for occupancy on a continuing basis during the winter months,
(b) a farm building,
(c) a buildingthat does not use electrical power or fossil fuel,
(d) a manufactured building described in Article 9.1.1.9., or
(e) a seasonal recreational building described in Section 9.36. or 9.38.
12.2.3. Peak Electric Demand
In Plain Language
Except as otherwise provided, buildings must be designed to conform to the carbon dioxide equivalent (CO2e) emission requirements set out in the referenced MMAH Supplementary Standard SB-10, as 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.