With the WDI12C6 you will get a B energy rating. This Washer Dryer comes with a A wash performance rating and a spin performance rating. If you have a small family the WDI12C6 with its 6 Kg wash load would be great for you. Don’t forget about spin speed on this Washer Dryer, it has a 1200 rpm spin speed which determines how dry your clothes are after a wash.. This is a front loading model, which helps with loading.