Zoneline® Packaged Terminal Air Conditioners provide year-round comfort with individual heating and cooling temperature controls. Zoneline units are extremely quiet and designed to fit a wide range of applications, making them the ideal choice for hotels and motels, office buildings and apartments. Standard on all models is our exclusive GE® "Superseal" system, which reduces air infiltration and increases both comfort and efficiency. Plus, this Zoneline unit uses R-410A refrigerant which is compliant with 2010 U. S. Environmental Protection Agency requirements for the phase-out of ozone-depleting compounds.