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 Hisense RR1B179NEWE, 179 L, Freestanding, E, 35 dB, N-ST, 2.6 kg/24h Hisense RR1B179NEWE. Appliance placement: Freestanding, Product color: White, Door hinge: Right. Total net capacity: 179 L, Climate class: N-ST, Noise emission class: B. Fridge net capacity: 163 L, Lamp type: LED. Freezer position: Top-placed, Freezer net capacity: 16 L, Freezing capacity: 2.6 kg/24h. Energy efficiency class: E, Annual energy consumption: 148 kWh, Energy efficiency scale: A to G