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 AC026FCADEH/EU, Air conditioner outdoor unit, White, Cooling, Heating, 2600 W, 1200 W, 3500 W Samsung AC026FCADEH/EU. Type: Air conditioner outdoor unit, Product color: White, Air conditioner functions: Cooling, Heating. Energy efficiency class (heating) (Average heating season): A, Power consumption (cooling) (min): 245 W, Power consumption (cooling) (max): 1500 W. Outdoor unit noise level: 60 dB, Cooling airflow (outdoor unit): 1740 m³/h, Heating airflow (outdoor unit): 1740 m³/h. Energy efficiency class (cooling): A+