This International Standard specifies the test methods for the testing of household combined washer-dryers in their function to wash and dry textiles. This International Standard does not apply for testing individual washing or drying functions. The object is to state and define the principal performance characteristics of household electric washer-dryers of interest to users and to describe standard methods for measuring these characteristics. NOTE Washer-dryers for communal use in blocks of flats or in launderettes are also included within the scope of this standard. It does not apply to washer-dryers for commercial laundries.