Outdoor Design Temperatures

(1)  The outdoor conditions to be used in designing heating, ventilating and air-conditioning systems shall be the appropriate values for the location as set out in MMAH Supplementary Standard SB-1, “Climatic and Seismic Data”, using 2.5 percent design temperature criteria.

Article 9.33.3.2 Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.