With EcoSpeed, you can dry your laundry particularly quickly and in a way that is kind to the environment with the best energy efficiency class A+++. Economic operation and shorter program cycle times are perfectly combined. With a full load, EcoSpeed can reduce the drying time by more than 20 minutes^*. In addition to the best energy efficiency class A+++, the tumble dryers with EcoSpeed operate with the natural refrigerant R290, which is completely free from HFCs and therefore minimizes the global warming potential. EcoSpeed therefore combines shorter cycle times, the best energy efficiency, and sustainability in your Miele tumble dryer.