1. A household appliance assembly, comprising:a household appliance having a treatment container which defines a treatment chamber;
at least one packing element including a positioning aid and disposed on a side face of the household appliance, wherein the packing element is adapted to prevent damage to the household appliance due to forces occurring during at least one of storage and transportation of the household appliance, and the positioning aid includes one of a projection and a recess; and
the household appliance further comprising at least one load-bearing structural part with a cross-sectional profile that includes the other of the projection and the recess, the at least one load-bearing structural part being positioned externally of the treatment chamber, such that the other of the projection and the recess of the at least one load-bearing structural part is exposed so as to be accessible from outside of the household appliance,
wherein the packing element has at least one force transfer region, which has a force action surface in direct contact with the load-bearing structural part,
the household appliance is configured to be a built-in appliance that does not have external casing walls at least where the packing element is disposed, and
the cross-sectional profile is inserted into the positioning aid or the positioning aid is inserted into the cross-sectional profile such that the projection and the recess are in contour-matched contact.