N.Y.C. Admin. Code § 27-740: § 27-740 Heating requirements.

All habitable or occupiable rooms or spaces, and all other rooms or spaces listed in table 12-1, shall be provided with means of heating in accordance with the requirements of this subchapter and reference standard RS 12-1. Heating systems shall be capable of producing the required temperatures listed in table 12-1 when the outdoor temperature is five degrees Fahrenheit and the wind velocity is fifteen mph. In highly exposed locations, provision shall be made for higher wind velocities. Heating equipment shall not be required when either of the following conditions exist:

(a) Where the occupancy is seasonal and the rooms or buildings will not be occupied between November first and May first of the following year.

(b) Where the processes or activities normally conducted within the space will generate sufficient heat to produce the prescribed indoor temperature during the time of occupancy.

TABLE 12-1 Minimum Space Temperature Requirements a

Rooms or Spaces

Minimum Temperature (degree F)

Habitable rooms in all buildings

70

Building equipment and machinery rooms

50

Patients' rooms, bathrooms and toilet rooms, stairs and corridors in hospitals and nursing homes

75

Bathrooms and toilet rooms, except patients' bathrooms and toilet rooms in hospitals and nursing homes

70

Offices, waiting rooms, art galleries, museums, libraries, meeting rooms, churches, classrooms, auditoriums, lecture halls, night clubs, restaurants, theatres, locker rooms, dressing rooms, and spaces where persons are engaged in sedentary activities

70

Laboratories, light machine work, product inspections, loft buildings, shops, stores, display rooms, show rooms, sales rooms, and spaces where persons are engaged in moderate physical activities

70

Laboratories, light machine work, product inspections, loft buildings, shops, stores, display rooms, show rooms, sales rooms, and spaces where persons are engaged in moderate physical activities

65

Gymnasia, dance halls, skating rinks, bowling alleys, heavy assembly workrooms or shops, and spaces where persons are engaged in vigorous physical activities

60

Automotive repair shops

50

Storage areas, garages, space where work or process requires a low temperature

None

Hospital operating rooms, and recovery, labor, delivery, and nursery rooms

80

Swimming pools, bathhouses, and shower rooms

75

Note for Table 12-1:

a Where the listed temperatures differ from those that are required to be maintained under the provisions of section 131.03 of the New York city health code, the higher temperature shall apply.