A household cooling appliance includes an outer housing, a cooling compartment in the outer housing, and an ice maker unit, which is arranged in the cooling compartment. The ice maker unit includes a first sub-unit, which is configured for making crushed ice from ice form elements. The first sub-unit has a housing. A crusher device for crushing the ice form element is arranged in the housing. A cooling device cools the first sub-unit with cold air. The cooling device has an air duct. The air duct ends at the housing of the first sub-unit and at least partly is configured to extend along an outer side of the housing so that the cold air for cooling the housing flows along the outer side of the housing.