Scope heating, Ventilating or Air-conditioning
(1) The scope of this Part shall be as described in Subsection 1.1.2. of Division A.
(2) Where the method of operation of an existing heating, ventilating or air-conditioning system is altered, the repair or component replacements that change the capacity or extent of safety of the system shall conform to this Code.
Article 6.1.1.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.