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 LG GTB744PZHZD, 506 L, T, 5.5 kg/24h, E, Fresh zone compartment, Stainless steel LG GTB744PZHZD. Total net capacity: 506 L. Door hinge: Right, Display type: LED. Climate class: T, Noise level: 43 dB. Fridge net capacity: 376 L, No Frost (fridge), Multi-Airflow system (fridge), Fridge interior light. Freezer net capacity: 130 L, Freezing capacity: 5.5 kg/24h, No Frost (freezer). Fresh zone compartment. Energy efficiency class: E, Annual energy consumption: 280 kWh