(A) Windows, Doors and Screens. All windows and exterior doors, including storm windows and doors, shall be weathertight and in good repair. All screen doors and screens shall be in good repair.
(B) Insect Screens Required. During the months of May through October, an insect screen in good repair shall be provided by the owner for every required window area as defined in § 150.37(C).
(C) Required Window Area. Each habitable room shall contain windows or skylights which have a combined area equal to or exceeding 8% of the floor area of the room, except for kitchens and bathrooms which comply with §§ 150.37(F) and (G). The required window area in a basement or cellar being used as a habitable room shall be located entirely above grade.
(D) Natural Lighting. All required windows or skylights specified in § 150.37(C) must be maintained in working order as to be able to open and close safely.
(E) Mechanical Ventilation. Properly installed mechanical ventilation controlled by the occupant may be used in place of required natural ventilation in any habitable room. Such mechanical ventilation shall be maintained in good repair.
(F) Kitchen Ventilation. Kitchens and kitchenettes shall have a minimum of one required window opening directly to the outdoors or be provided with mechanical ventilation. When the kitchen is not provided with required natural ventilation, mechanical ventilation shall be provided:
(1) In the ceiling or wall close to the range and not more than four feet from the center line of the range off the side or front of the range; or
(2) In the wall directly above the range between wall cabinets and range, provided a metal collector hood is installed.
(G) Bathrooms, Shower Rooms and Toilet Rooms. Bathrooms, shower rooms, and toilet rooms shall contain one window, not less than three square feet in area, opening directly to the outdoors or shall be ventilated by one of the following methods:
(1) Individual vents or ducts installed in accordance with the city Mechanical Code:
(2) A skylight with not less than three square feet in area of ventilating opening; or
(3) By any system of mechanical ventilation operable by the occupant which is capable of exhausting quantities of air as specified by the city Mechanical Code.
(Ord. 7.3, passed 2-4-97) Penalty, see § 150.99(C)