25 Miele tumble dryers Heat-pump technology Economical and gentle Maintenance-free heat exchanger In Miele heat-pump dryers, the heat exchanger is protected by an effective filtration system and does not require cleaning. This ensures a high energy efficiency for the complete service life of the appliance. Contrary to conventional condenser dryers, the heat, once generated, is used again. Miele Tumble dryers* with heat pumps are known predominantly for their energy efficiency and highest demands on quality and durability. They dry your laundry especially economically. But the lower temperatures of the heat-pump technology also protect the high-quality fibers of your laundry. This allows you to dry delicate textiles with convenience. * Tested and confirmed by SLG Testing and Certification Ltd.