New York Consolidated Laws, Labor Law - LAB § 382. Ventilation, temperature and humidity

Every mercantile establishment and every restaurant shall be provided with proper and sufficient means of ventilation by natural or mechanical means or both, as may be necessary, and there shall be maintained therein proper and sufficient ventilation and proper degrees of temperature and humidity at all times during working hours.  The board shall make rules for and fix standards of ventilation, temperature and humidity in mercantile establishments and restaurants.