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 Hisense RS840N4WCF, Freestanding, American door, Stainless steel, Touch, LED, On door Hisense RS840N4WCF. Appliance placement: Freestanding, Product design: American door, Product color: Stainless steel. Total net capacity: 649 L, Climate class: N-ST, Noise emission class: C. Fridge net capacity: 414 L. Freezer net capacity: 235 L, Freezer position: Side-placed, Freezing capacity: 14 kg/24h. Energy efficiency class: F, Annual energy consumption: 443 kWh, Energy efficiency scale: A to G