A++ means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Regulation 2017/1369/EU. A++ LG REPLACE24X.SET, Split system, White, -10 - 48 °C, -15 - 24 °C, A++, A++ LG REPLACE24X.SET. Type: Split system, Product colour: White, Operating temperature range indoor unit (cooling): -10 - 48 °C. Energy efficiency class (cooling): A++, Energy efficiency class (heating) (Average heating season): A++, Energy efficiency class (heating) (Warmer heating season): A+++. Indoor unit width: 99,8 cm, Indoor unit depth: 34,5 cm, Indoor unit height: 21 cm. Outdoor unit sound power level: 70 dB, Outdoor unit width: 87 cm, Outdoor unit depth: 65 cm