The Ontario Building Code | Fans and Associated Air Handling Equipment
6.2.3.15. Fans and Associated Air Handling Equipment
(1) Fans for heating, ventilating and air-conditioningsystems shall be located and installed so that their operation,
(a) does not adversely affect the draft required for proper operation of fuel-fired appliances, and
(b) does not allow the air in the air duct system to be contaminated by air or gases from the boiler-room or furnace-room.
(2) Fans and associated air handling equipment, such as air washers, filters and heating and cooling units, when installed on the roof or elsewhere outside the building, shall be of a type designed for outdoorref ="http://thehandyforce.com/doors/" title ="Toronto Door installer">door use.
In Plain Language
Fans and associated air handling equipment used in HVAC systems must meet specific performance and installation requirements ensuring reliable, safe operation of these central system components.
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.