LAUNDRY DRYING APPLIANCE COMPRISING AT LEAST ONE FINNED-TUBE HEAT EXCHANGER

摘要

A household appliance (12) according to the invention comprises at least one metal component (14, 16) having a treated surface (17, 18) wherein the treated surface (17, 18) comprises a directly mechanically formed submillimetre-scale structure (6). A method (S1) according to the invention for treating a surface (17, 18) of a metal component (14, 16) of a household appliance (12) wherein the surface (17, 18) is treated by directly mechanically forming a submillimetre-scale structure (6) on the metal surface (17, 18). The invention is particularly useful for laundry treatment appliances, in particular laundry dryers, in particular comprising a heat pump.