Gree Split Air Conditioner, Cool Only, 18500 BTU , Energy Saving, R410A refrigerant, Wi-Fi Features of Gree Split Air Conditioner, Cool, Pool, 18000 BTU Cool Only Cooling capacity according to efficiency card: 18500 BTU Efficiency card rating: (D) Wi-Fi Self-cleaning Distinctive air distribution Antibacterial filter R410A refrigerant cooling Compact and elegant design Quiet sound Brand: Gree 5-year warranty on the compressor and 2 years comprehensive