Method for insulating a hot water tank and hot water tank

摘要

The invention relates to a method for insulating a hot water tank (1) with an inner container (10) and an outer container (20), wherein between the inner container (10) and the outer container (20) has a cavity (H) for receiving an insulating layer of pourable feinkörnigem Granules (30) is provided. The method comprises the steps of: filling the granules (30) into the cavity (H), compacting the granules (30) in the cavity (H), evacuating and closing the cavity (H). Furthermore, the invention relates to a hot water tank (1) with an inner container (10) and an outer container (20) and in a cavity (H) arranged insulating layer of a compacted, evacuated granules (30).