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 P12RL.UA3, Air conditioner outdoor unit, Silver, Cooling, Heating, R410A, 15 m, -10 - 48 °C LG P12RL.UA3. Type: Air conditioner outdoor unit, Product colour: Silver, Air conditioner functions: Cooling, Heating. Energy efficiency class (heating) (Average heating season): A, Annual energy consumption (cooling): 201 kWh, Annual energy consumption (heating) (Average heating season): 1400 kWh. Outdoor unit noise level: 65 dB, Outdoor unit width: 71.7 cm, Outdoor unit depth: 23 cm. Energy efficiency class (cooling) (old): A++