Every occupied structure shall be provided with heating
and mechanical facilities, fixtures, and systems that are compliant
with the mechanical regulations that were in effect when the structure
was built, altered, or repaired, and that shall be maintained in a
safe and good operating condition.
Dwellings shall be provided with heating facilities
capable of maintaining a room temperature of 68° F. from 6:00
a.m. to 11:00 p.m. and 65° F. from 11:00 p.m. to 6:00 a.m. in
all habitable rooms, bathrooms, and toilet rooms. Cooking appliances
shall not be used to provide space heating to meet the requirements
of this section.
Every owner and operator of any building who rents,
leases, or lets one or more dwelling units, rooming units, dormitories,
or guestrooms on terms, either expressed or implied, to furnish heat
to the occupants thereof shall supply heat during the period from
October 1 to May 1 to maintain a temperature of not less than 68°
F. in all habitable rooms, bathrooms, and toilet rooms.
The required room temperatures shall be measured three
feet above the floor near the center of the room and two feet inward
from the center of each exterior wall.
All mechanical appliances, fireplaces, solid-fuel-burning
appliances, cooking appliances, and water heating appliances shall
be properly installed, maintained in a safe working condition, and
capable of performing the functions for which they are intended.
A supply of air for complete combustion of the fuel
and for ventilation of the space containing the fuel-burning equipment
shall be provided for all fuel-burning equipment.
Devices intended to reduce fuel consumption by attachment
to a fuel-burning appliance, to the fuel supply line thereto, or to
the vent outlet or vent piping therefrom, shall not be installed unless
labeled for such purpose and the installation is specifically approved.
Duct systems shall be maintained free of obstructions
and shall be capable of performing the required function.
Elevators, escalators, and dumbwaiters shall be maintained
to sustain safely all imposed loads, to operate properly, and to be
free from physical and fire hazards. The most current certificate
of inspection shall be on display at all times within the elevator
or attached to the escalator or dumbwaiter; or the certificate shall
be available for public inspection in the office of the building operator.
In buildings equipped with passenger elevators, at
least one elevator shall be maintained in operation at all times when
the building is occupied. However, buildings equipped with only one
elevator shall be permitted to have the elevator temporarily out of
service for testing or servicing.