2013 the newest power saving split air conditioner 1. Optional fuction: cooling only/cooling&heating2. Refrigerant: R22 or R410a3. Compressor: Hitachi, Toshiba, Mitsubishi, Sanyo etc.4. Capacity: 9000btu, 12000btu, 18000btu, 24000btu, 30000btu, 36000btu5. Warranty time: 1 year for whole unit,3 ears for compressor6. Voltage: 220v/50 or 60hz, 110v/60hz7. Feature: Self-diagnose capability, error code showing, auto-defrosting, Energy Saving,Quiet operation, sleeping Model,Remote Control 8. 20GP/40HQ: 125 sets/315 setsMore details