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 Fujitsu E24-9 TOUCH, E, 16 kWh, A to G Fujitsu E24-9 TOUCH. Classe d'eficiència energètica (SDR): E, Consum d'energia (SDR) per 1000 hores: 16 kWh, Escala d'eficiència energètica: A to G