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++ Samsung AR5600, Split system, White, Cooling, Dehumidifying, Heating, 2500 W, 2500 W, 3200 W Samsung AR5600. Type: Split system, Product colour: White, Air conditioner functions: Cooling, Dehumidifying, Heating. Hourly energy consumption (cooling): 0.67 kWh, Hourly energy consumption (heating): 0.89 kWh, AC input voltage: 220-240 V. Indoor unit type: Wall-mountable, Indoor unit noise level (high speed): 35 dB, Indoor unit width: 75 cm. Outdoor unit noise level: 45 dB, Outdoor unit width: 72 cm, Outdoor unit depth: 26.5 cm. Energy efficiency class (cooling) (old): A++