A++ means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Directive 2010/30/EU. A++ LG PC09SQSET, Split system, White, Cooling, Dehumidifying, Heating, 2500 W, 890 W, 3700 W LG PC09SQSET. Type: Split system, Product colour: White, Air conditioner functions: Cooling, Dehumidifying, Heating. Annual energy consumption (cooling): 125 kWh, AC input voltage: 220 - 240 V, AC input frequency: 50 Hz. Indoor unit sound power level: 59 dB, Indoor unit type: Wall-mountable, Indoor unit width: 83.7 cm. Outdoor unit sound power level: 65 dB, Outdoor unit width: 71.7 cm, Outdoor unit depth: 23 cm. Energy efficiency class (cooling) (old): A++