§ 150.18 VENTILATION, LIGHT AND HEATING.
   No person shall occupy as owner-occupant or shall let to another for occupancy any dwelling, rooming house, dwelling unit or rooming unit which does not comply with the following minimum standards for ventilation, light and heating.
   (A)   Windows and openable space.
      (1)   Habitable rooms. Every habitable room shall have at least one window which can be easily opened and which faces directly to the outdoors. The minimum openable area for such room shall be 10% of the floor area for every habitable room and for every basement recreation room, except where there is some other device approved by the Building Inspector as affording adequate ventilation.
      (2)   Glass fronted porch. For the purpose of this section, where a living room faces onto a glass fronted porch, the porch shall be considered as a part of the living room if the total window and open area between the porch and the living room is at least 10% of the floor area of the living room.
      (3)   Bathrooms. Every bathroom and water closet compartment shall have at least one window facing to the outdoors and having a minimum openable area of 10% of the floor area of such room, except where there is supplied some other device approved by the Building Inspector as affording adequate ventilation.
      (4)   Laundry rooms. Every laundry room shall have a minimum openable area of at least ten square feet, except where there is supplied some other device approved by the Building Inspector as affording adequate ventilation.
      (5)   Insufficient air space. Whenever a window of a room faces a wall or other portion of any abutting structure which is located less than three feet from the window and extends to a level above that of the ceiling of the room, the window shall not be counted in calculating window area or openable area.
      (6)   Skylight type windows. A skylight type window shall be considered as a window for the purpose of this section; except that, 15% will be required.
      (7)   Public halls and stairways. Each public hall and stairway in every two-family dwelling, multi-family dwelling and rooming house shall be adequately ventilated.
   (B)   Lighting. Every dwelling within 300 feet of a power line shall be supplied with electricity as follows.
      (1)   Habitable room. Every habitable room shall contain at least two separate floor or wall type electric convenience outlets, or one such convenience outlet and one supplied ceiling type electric light fixture.
      (2)   Bathrooms, utility rooms. Every water closet compartment bathroom, laundry room and furnace room shall contain at least one supplied ceiling or wall type electric light fixture.
      (3)   Public halls.
         (a)   Every public hall in a dwelling shall contain at least one supplied ceiling or wall type electric light fixture.
         (b)   Two-family dwelling, multi-family dwelling and rooming houses shall have adequately lighted halls at all times; except that, in a two-family dwelling an adequate lighting system which may be turned on when needed by conveniently located light switches shall be permitted instead of a full time lighting system.
      (4)   Standards for installation. Every outlet and fixture shall be properly installed and maintained in good and safe working condition in accordance with the Building Code.
   (C)   Heating.
      (1)   Every dwelling shall have heating facilities which are capable of safely and adequately heating all habitable rooms, bathrooms and water closet compartments within its walls to a temperature of at least 70°F when the outside temperature is -10°F.
      (2)   Portable heating equipment employing a flame and heating equipment using gasoline or kerosene do not meet the standards of this subchapter and are prohibited.
(2000 Code, § 150.18) Penalty, see § 10.99