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 Grundig GKFED455 Built-In Combi Fridge Freezer with Electronic Display, 254 L, No Frost (fridge), SN-ST, 4.2 kg/24h, E, White Grundig GKFED455 Built-In Combi Fridge Freezer with Electronic Display. Total net capacity: 254 L. Door hinge: Left, Display type: LED. Climate class: SN-ST, Noise level: 38 dB. Fridge net capacity: 163 L, No Frost (fridge), Fridge interior light, Fridge number of shelves/baskets: 3. Freezer net capacity: 91 L, Freezing capacity: 4.2 kg/24h, No Frost (freezer). Energy efficiency class: E, Annual energy consumption: 238 kWh. Product colour: White