The Ontario Building Code | Application
(1) The requirements of this Subsection apply to the design, construction and installation of air duct distribution systems serving heating, ventilating and air-conditioning systems that serve individual dwelling units within the scope of Part 9.
Note: On July 1, 2017, Sentence 18.104.22.168.(1) of Division B of the Regulation is amended by striking out "individual dwelling units" and substituting "a houseor an individual dwelling unit". (See: O. Reg. 139/17, s. 51)