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 HCE429F(UK), 413 L, 28 kg/24h, T, 40 dB, F, White Haier HCE429F(UK). Freezer net capacity: 413 L, Climate class: T, Freezing capacity: 28 kg/24h, Storage time during power failure: 35 h, Noise level: 40 dB, Star rating: 4*. Door hinge: Up. Lamp type: Incandescent. Energy efficiency class: F, Annual energy consumption: 330 kWh. Product color: White