13 Miele washing machines Miele TwinDos The best liquid detergent system 1) Patent: EP 2 784 205 2) According to Öko-Institut e. V. report dd. 06.09.2013: 'Potential savings with automatic TwinDos dispensing on washing machines' Automatic dispensing TwinDos1) Fabric type, quantity of laundry and degree of soiling – all this must be taken into consideration when dispensing the correct amount of detergent. This sounds pretty complicated. That is why Miele is taking this off your hands. With the TwinDos function two detergent containers can be integrated into the washing machine, and the appliance dispenses the optimum quantity of detergent for the laundry to be washed at the touch of a button. For best results use UltraPhase 1 and 2, Miele's unique 2-Phase detergent system. TwinDos dispenses both components at the correct point in time during the wash cycle. This ensures the thorough cleaning of your laundry, and radiant colored and white textiles. And should you wish to use a different detergent such as powder? No problem! Simply dispense the powder via the detergent dispenser drawer. 30% detergent savings2) By the way, such accurate dispensing is difficult to accomplish manually. This is also certified by the ecological institute Öko Institute e.V. in Freiburg, Germany, which confirms a 30% detergent saving potential thanks to the automatic dispensing feature from Miele.