ecobubbletechnology is one of our brilliantly useful features designed to make laundry less of a chore. Mixing air, water and detergent it cleverly creates bubbles that wash your clothes at cooler down your energy bills. AI Wash - Take the guesswork out of the perfect wash. Four sensors weigh your wash load and check the level of soiling to adjust the water, amount of detergent dispensed, rin results and minimal wear and tear with every wash. QuickDrive - Bottomless laundry basket? Take the load off and power through your wash in just 39 minutes. Spend less time washing and more time wea energy. The Samsung washing machine is highly energy efficient and even exceeds the minimum energy efficiency requirements for the Class A rating by up to 30%*. Advanced technologies enhance the washi time, which reduces its energy use. * Based on Samsung internal testing. The WW8400D series 9kg models are 30% more efficient than required to achieve the Class A energy efficiency rating under Regul