Operating System: Cooling and Heating (Hot/Cold) Nominal Capacity: From 1.5 to 4 tons Cooling Capacity: From 18,000 to 48,000 BTU Multi-speed Indoor Fan: Equipped with 3 speeds to enhance airflow High Cooling Efficiency: Provides rapid cooling and optimal performance Easy Maintenance: Features easy installation, cleaning, and regular maintenance Advanced Health Filter: Works to purify negative ions to improve air quality Quiet Operation: Emits the lowest possible noise level Environmentally Friendly Refrigerant Gas: Uses R410A to ensure higher operating efficiency and healthy performance Advanced Programming System: Provides precise temperature control Energy Saving Mode: Equipped with AWAY MODE technology to reduce electricity consumption Powerful Circulating Fan: Ensures efficient airflow and high-efficiency performance Air Purifying Health Filter: Easily removes dust and is washable Energy-Saving Inverter Compressor: Features high operating efficiency and low energy consumption Dimensions: 83.7 * 36 * 135 cm Electrical Specifications: Operates on 1 Phase, 230 Volts, 60 Hz Country of Origin (Indoor Unit): China Country of Origin (Outdoor Unit): South Korea Compressor Warranty: Five years Comprehensive Warranty: Two years