| 摘要 |
The invention relates to a method for heat and humidity exchange between two air streams, one of which being hot and humid, wherein a first of said air streams is fed from the interior of a building to the ambient air and a seco nd of said air streams is fed from said ambient air to the interior of said building, whereby said first air stream is cooled and thereafter transferred through a heat exchanger (21), whereupon it is transferred to a heater (22) and thereafter transferred through a dehumidifier (23) before being exhauste d to the ambient air, whereas said second air stream is transferred through sa id dehumidifier (23) and thereafter through said heat exchanger (21), whereupon it is cooled in a cooling device before being transferred into the interior of said building. According to the invention said second air stream, before bei ng fed to said dehumidifier, is caused to exchange heat and humidity with said first air stream before the latter is fed into said heat exchanger (21). The invention relates also to an apparatus for carrying out the method.
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