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 Whirlpool PACW212HP, Monobloc mobile air conditioner, Cooling, Dehumidifying, Heating, 12000 BTU/h, 3500 W, 2800 W, 51 dB Whirlpool PACW212HP. Type: Monobloc mobile air conditioner, Air conditioner functions: Cooling, Dehumidifying, Heating, Cooling capacity (max): 12000 BTU/h. Energy efficiency class (cooling): A, Hourly energy consumption (cooling): 1.4 kWh, Energy efficiency class (heating): A+. Product color: Gray, White. Width: 17.6" (448 mm), Depth: 15.7" (400 mm), Height: 29.3" (744 mm)