New York Laws
Title 3 - Sanitation and Health
173 - Heating.

ยง 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.