| 摘要 |
The exterior wall of a building is erected from pairs of building elements in slab form, the first building element (4) of each pair comprising an insulating layer (6) and a first dividing wall (7), with the inclusion of an intermediate space (3), and the second building element of each pair being formed by a second dividing wall (5). Concrete is introduced between the first dividing wall (7) and the second dividing wall (5). The air in the intermediate space (3) may be fed to the evaporator of a heat pump. <IMAGE>
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