Section 173. Heating

Every new dwelling shall be provided with heat in all
  living rooms sufficient to maintain the minimum temperatures required by
  local law, ordinances, rules or  regulation,  or  by  the  local  public
  health  officer, provided, however, that such minimum temperature shall,
  notwithstanding the provisions  of  subdivision  one  of  section  three
  hundred  twenty-nine  of this chapter, be sixty-eight degrees Fahrenheit
  during the hours between six o'clock in the morning and ten  o'clock  in
  the   evening   during   the   months  between  October  first  and  May
  thirty-first, whenever the outdoor temperature  falls  below  fifty-five
  degrees Fahrenheit.