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 32PURIFY09, Split system, White, Cooling, Dehumidifying, Heating, 2500 W, 890 W, 3700 W LG 32PURIFY09. Type: Split system, Product colour: White, Air conditioner functions: Cooling, Dehumidifying, Heating. Energy efficiency class (heating) (Average heating season): A+, Annual energy consumption (cooling): 133 kWh, Annual energy consumption (heating) (Average heating season): 875 kWh. Indoor unit sound power level: 59 dB, Indoor unit type: Wall-mountable, Indoor unit noise level (low speed): 27 dB. Outdoor unit sound power level: 41 dB, Outdoor unit noise level: 65 dB, Cooling airflow (outdoor unit): 1620 m³/h. Energy efficiency class (cooling) (old): A++