None of the competitors in the test field is faster than the Caso kettle. The appliance also consumes comparatively little electricity. In terms of workmanship and user-friendliness, the chic stainless steel model is also convincing.

The Caso water boiler stands stably on its base, which houses all the function buttons and the display. The bright display is very easy to read and the operation is intuitive. The selectable temperature range is very wide.