(A) All spaces or rooms shall be provided sufficient natural or mechanical ventilation so as not to endanger health and safety. Where mechanical ventilation is provided in lieu of the natural ventilation, such mechanical ventilating systems shall be maintained in operation during the occupancy of any structure or portion thereof.
(B) When part of the air provided by a mechanical ventilation system is recirculated, the portion or volume of air recirculated shall not be recirculated to a different residential space or occupancy of dissimilar use from which it is withdrawn.
(1) Toilet rooms. Every bathroom and water closet compartment shall comply with the light and ventilation requirements for habitable spaces as required by §§ 151.126 except that a window shall not be required in bathrooms or water closet compartments equipped with an approved mechanical ventilation system. One-family dwelling units built prior to 1978 are not required to comply with the regulation.
(2) Cooking facilities. Unless approved through the certificate of occupancy (see zoning code), cooking shall not be permitted in any sleeping room or dormitory unit, and a cooking facility or appliance shall not be permitted to be present in a sleeping room or dormitory.
(3) Clothes dryer exhaust. Clothes dryer venting systems shall be independent of all other systems and shall be vented in accordance with the manufacturer’s recommendations.
(1999 Code, § 29-8-3)