Every dwelling unit and guest room shall be provided with heating facilities capable of maintaining a room temperature of 65º F. at a point three feet above the floor and three feet from an exterior wall in all habitable rooms, bathrooms and toilet rooms. In every dwelling unit that contains cooking and baking facilities for the purpose of preparation of food, such facilities shall be properly installed by the owner and operated in a clean and sanitary working condition by the occupant.
In every dwelling unit that contains a refrigeration unit for the temporary preservation of perishable foods, such unit shall be capable of maintaining an average temperature below 45º F. and shall be properly installed by the owner and operated in a clean and sanitary working condition by the occupant.
All cooking and heating equipment, components and accessories in every heating, cooking and water heating device shall be maintained free from leaks and obstructions and kept functioning properly so as to be free from fire, health and accident hazards.
All mechanical equipment shall be properly installed and safely maintained in good working condition and shall be capable of performing the function for which such equipment was designed and intended.
When facilities for interior climate control (heating, cooling or humidity) are integral functions of structures used as dwelling units, such facilities shall be maintained and operated in a continuous manner in accordance with the design capacity.