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 Electrolux LFB2AE88S1, 124 L, Built-in, E, 36 dB, SN-ST, White Electrolux LFB2AE88S1. Appliance placement: Built-in, Product color: White, Door hinge: Right. Total net capacity: 124 L, Climate class: SN-ST, Noise emission class: C. Fridge net capacity: 110 L, Lamp type: LED. Freezer position: Top-placed, Freezer net capacity: 14 L, Storage time during power failure: 9.5 h. Energy efficiency class: E, Annual energy consumption: 143 kWh, Energy efficiency scale: A to G