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 AR9500, Split system, White, Cooling, Heating, 3009 W, 3439 W, 4436 BTU/h Samsung AR9500. Type: Split system, Product colour: White, Air conditioner functions: Cooling, Heating. Energy efficiency class (heating) (Average heating season): A+, Design load (cooling): 3,5 kW, Design load (heating) (Average heating season): 4 kW. Indoor unit noise level (high speed): 56 dB, Indoor unit width: 93,6 cm, Indoor unit depth: 26,4 cm. Outdoor unit noise level: 62 dB, Outdoor unit width: 72 cm, Outdoor unit depth: 26,5 cm. Energy efficiency class (cooling): A++