The Whynter ARC-14S portable air conditioner is designed to provide quiet and effective cooling to any room, with no permanent installation. It features eco-friendly CFC free R-410A refrigerant, lead-free RoHS compliant parts and patented advance automati drain technology which uses and recycles moisture gathered for the duration of the cooling routine to manufacture cool air. Dual hose operation provides fast cooling for up to a 500 sq. ft. space (ambient temperature and humidity may influence optimal performance).