F 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. F Haier HCW9919FSGB, 586 L, SN-T, 10 kg/24h, F, Fresh zone compartment, Black Haier HCW9919FSGB. Total net capacity: 586 L, Climate class: SN-T, Noise level: 38 dB. Fridge net capacity: 386 L, No Frost (fridge), Multi-Airflow system (fridge), Fridge interior light, Fridge number of shelves/baskets: 3. Freezer net capacity: 200 L, Freezing capacity: 10 kg/24h, No Frost (freezer). Fresh zone compartment. Energy efficiency class: F, Annual energy consumption: 420 kWh. Product color: Black