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++ Siemens iQ500 WT45W491, Freestanding, Front-load, Heat pump, White, Rotary, Touch, Right Siemens iQ500 WT45W491. Appliance placement: Freestanding, Loading type: Front-load, Drying system: Heat pump. Drum capacity: 17.6 lbs (8 kg), Condensation efficiency class (old): B, Drying programs: Wool, Mix, Timed, Quick, Blouse/shirt, Lingerie, Towel. Delay start (max): 24 h. Energy consumption: 1.8 kWh, Annual energy consumption: 232 kWh, Heat source: Electric. Depth: 23.6" (599 mm), Width: 23.5" (598 mm), Height: 33.1" (842 mm)