The Ontario Building Code | Interior Environmental Loads
5.2.1.2. interior Environmental Loads
(1) interior environmental loads shall be determined in accordance with good engineering practice as described in Sentence 6.2.1.1.(1) based on the intended use of the space.
In Plain Language
Interior environmental loads (like indoor humidity and temperature differentials) must be determined in accordance with recognized good engineering practice referenced elsewhere in the Code's mechanical provisions.
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.