| 摘要 |
The invention relates to an arrangement of differently used air zones, preferably on the interior side of lightweight prefabricated-home external walls for the energy-saving and cost-reducing introduction of fresh air, hot air, cold air and removal of exhaust air for heat recovery. By the arrangement of space-maintaining lath pieces (1) between the interior wall coverings (6 + 11), usual in lightweight prefabricated homes, a layer of wall air is established, which is divided into differently used air zones (3 + 4) by means of the vertically adjoining internal walls (5) and a compartmentalising strip (2) of insulating material. Arranged on the wall covering (11) bounding the air layer is a heat-reflecting layer (12), which deflects the heating energy, fed in as hot air, to the room-bounding wall covering (6), which then, as a low-temperature radiator, radiates the said energy over a large area towards the room. Serving here as heating air is heated fresh air which, after diffusing throughout the air zones (3), passes into the room at the perforated inside windowsills (10) for window heating and room ventilation. By means of the air inlets (7) in the upper region of the upper air zone (4), the used, hot room air is drawn off underneath the ceiling and fed in the opposite direction to the wall heating and domestic water heating to a heat pump. An outside layer (19) of wall air, disposed similarly on the south side of the house, can further improve the heat recovery as an energy facade (20). <IMAGE>
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