Specifications for Gree Polar Wall Split Air Conditioner: Type: Wall Split Air Conditioner Capacity: 18,500 BTU (approximately 1.5 tons) Operation: Cold Only Compressor: Normal On/Off (Not Inverter) Refrigerant Gas: R410A Wi-Fi: Available Key Features: Fast Cooling (Turbo) Wide Airflow Sleep Mode Timer Self-Cleaning Auto Restart Smart Temperature Sensors Warranty: Comprehensive Warranty: 2 years Compressor Warranty: 5 years