The LG Premium IPX3 model uses R-32 refrigerant and a dual inverter compressor to deliver up to ~70% energy savings and faster cooling in its 1.5 HP (~13,500 BTU) class. It features ThinQ WiFi, AI-Air functions, kW Manager / Active Energy Control, and auto-clean + freeze-cleaning hygiene functions. Additional conveniences include Plasmaster Ionizer, window-open detection, multi-step airflow direction control (dual vane), sleep mode, timer, auto-restart, and smart diagnostic tools.