2006 New York Code - Access To Boiler Room.

 
    §  27-2033  Access  to  boiler  room.  a.  The owner of every multiple
  dwelling shall have the area, where the  building's  heating  system  is
  located,  readily  accessible  to  members  of  the  department  to make
  inspection pursuant to this chapter. In the  event  such  area  is  kept
  under  lock,  a key shall be kept on the premises at all times with such
  person as the owner shall designate;  however,  if  there  is  a  person
  residing  on  the premises who performs janitorial services, such person
  shall hold the key. The owner shall post a notice in a form approved  by
  the department naming such designated person and his or her location.
    b.  Multiple dwellings owned and operated by the New York city housing
  authority shall be exempt from the requirements of this section.