High Efficiency 16 SEER Air Conditioner - Environmentally Sound R410A Refrigerant - 5 Ton Split System 208 / 230 Volt, 1-Phase, 60 HzRefrigeration Circuit Copeland compressors on all models Filter-Drier supplied with every unit for field installation Copper tube / aluminum fin coil Easy To Install And Service Easy access service valves on all models External high and low refrigerant service ports Only two screws to access control panel Factory charged with R410A refrigerant Built To Last Baked-on powder coat finish over galvanized steel Post-painted (black) coil fins Coated, weather-resistant cabinet screws Coated inlet grille with 3/8" (10mm) spacing for extra protection Warranty* 5 year compressor limited warranty 5 year parts limited warranty (including compressor and coil) With timely registration, an additional 5 year parts limited warranty (including compressor and coil) * Applies to original purchaser/homeowner, some limitations may apply. See Warranty certificate for complete details.