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 Hisense AP-09DR4SEJS, Cooling, Dehumidifying, Heating, 1600 W, 3300 W, 1600 W, 3300 W, 0.9 l/h Hisense AP-09DR4SEJS. Air conditioner functions: Cooling, Dehumidifying, Heating, Cooling capacity in watts (min): 1600 W, Cooling capacity in watts (max): 3300 W. Energy efficiency class (cooling): A, Energy efficiency class (heating): A, AC input voltage: 220-240 V. Product color: Black, White. Width: 16.9" (430 mm), Depth: 12.8" (325 mm), Height: 27.4" (695 mm)