E 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. E Hoover HHSBSO 6174BWDK, 529 L, No Frost (fridge), ST, 10 kg/24h, E, Black Hoover HHSBSO 6174BWDK. Total net capacity: 529 L, Climate class: ST, Noise level: 39 dB. Fridge net capacity: 344 L, No Frost (fridge), Fridge number of shelves/baskets: 4, Number of vegetable drawers: 2. Freezer net capacity: 185 L, Freezing capacity: 10 kg/24h, No Frost (freezer). Energy efficiency class: E, Annual energy consumption: 312 kWh. Product color: Black