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(A) Heating. Every dwelling unit and guest room shall be provided with heating facilities capable of maintaining a room temperature of 70°F at a point three feet above the floor in all habitable rooms, bathrooms, and water closet compartments. Unvented fuel-burning heaters, portable heating equipment employing a flame, or heating equipment using gasoline, kerosene, or alcohol as fuel shall not be permitted. All heating devices or appliances shall be of an approved type.
(B) Mechanical ventilation. Mechanical ventilation systems provided in lieu of natural ventilation shall be capable of providing not less than two air changes per hour in all guest rooms, dormitories, habitable rooms, and public corridors. One-fifth (20%) of the air supply shall be taken from the outside. In bathrooms, water closet compartments, laundry rooms, kitchens, and similar rooms, such a mechanical ventilation system shall be connected directly to the outside and capable of providing five air changes per hour.
(C) Air conditioning. Permanently installed air conditioning systems which also provide mechanical ventilation in lieu of natural ventilation shall comply with division (B) above and the Mechanical Code. Individual unit room air conditioners shall not be used in lieu of natural ventilation, but where installed in exterior openings shall not be considered as reducing the required light and natural ventilation available through such opening.
(D) Gas appliances.
(1) Guards. Heating appliances shall be listed by the American Gas Association or other recognized testing agency. The heating element or combustion chamber in any such application shall be permanently guarded so as to prevent accidental contact by any person or material.
(2) Connections. Gas appliances shall be connected to the gas supply by approved connectors in conformance with the Mechanical Code.
(3) Flues. Gas appliances shall be vented to approved flues in conformance with the Mechanical Code.
(4) Clearances. Heating appliances shall be installed and maintained with clearance from combustibles in conformance with the Mechanical Code.
(E) Mechanical equipment. Mechanical equipment shall be located in conformance with the Mechanical Code of the city.
(Prior Code, § 151.041) (Ord. D-1647, passed 11-18-1991, effective 12-9-1991; Ord. D-1595, passed 7-31-1989, effective 9-1-1989; Ord. D-1911, passed 1-28-2002, effective 2-7-2002)