1. From 9K BTU to 24K BTU; 2. Remote Controller optional except 18K BTU 3. R22 gas only 4. Japanese compressor, such as HITACHI, TOSHIBA, DAIKIN or MITSUBISHI or USA Fedders compressor 5. Warranty: 5 years for compressor and 3 year for whole units 6. Minimum Order: 2x40'HQ