Performance: Efficiency rating of 13 SEER Cooling capacities from 11⁄2 to 5 tons Refrigerant Circuit: Factory installed biflow liquid line filter drier Long life copper tubes, aluminum fins State-of-the-art compressors Large, wrap-around coil surface Quality Built: Galvanized steel exterior cabinet with 1,000-hour salt spray, powder-coated finish Powder-coated fan guard Full louvered panel to protect coil Formed base with 21⁄2" ground clearance Limited 5-year warranty on parts Low pressure port Integrated solid state control with adjustable time-temp demand defrost Easy To Install: Factory-charged Only three screws to access electrical controls Easy access to service valves