E-1.1, r. 1 - Regulation respecting energy conservation in new buildings

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141. An exhaust system in a residential occupancy building is not subject to sections 136 to 140 when each fan in this system:
(1)  can be individually operated from within the served area;
(2)  is used for only one room or a group of adjoining rooms used by only one tenant or owner; and
(3)  has a capacity of not more than 70 L/s.
O.C. 89-83, s. 141.