DUALCOOL Inverter Compressor – the lg s4u q12ja3qj split AC uses dual inverter tech for quieter operation, longer lifespan, and efficient energy use, with a 10-year warranty on the compressor. 1.5 HP / 12,000 BTU / ~3,517 W Cooling Capacity – sufficiently powerful to cool medium-sized rooms rapidly. Fast Cooling & Energy Saving – designed to deliver faster cooling while saving up to ~70% more energy compared to non-inverter units. Low Noise Operation – quieter performance in indoor and outdoor units thanks to optimized compressor and design. Slim Design with Hidden Display – sleek indoor unit design (white body) with a hidden display to maintain a clean room aesthetic. Smart Features – includes “Gen Mode” (lower power operating