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 DC09RQSET, Split system, White, Cooling, Dehumidifying, Heating, 2500 W, 890 W, 3700 W LG DC09RQSET. Type: Split system, Product color: White, Air conditioner functions: Cooling, Dehumidifying, Heating. Annual energy consumption (cooling): 111 kWh, AC input voltage: 220 - 240 V, AC input frequency: 50 Hz. Indoor unit type: Wall-mountable, Indoor unit width: 33" (83.7 cm), Indoor unit depth: 7.44" (18.9 cm). Outdoor unit sound power level: 65 dB, Outdoor unit width: 30.3" (77 cm), Outdoor unit depth: 11.3" (28.8 cm). Energy efficiency class (cooling): A++