FIELD: ventilation.
SUBSTANCE: device includes at least one plenum air chamber (11) structure and at least one exhaust air chamber (12) structure, between which a division wall (13) is located and a fan (14) by means of which air flow (9) is formed from plenum air (1) chamber to exhaust air chamber (2) is installed in it; at that, in the device structure there is at least one wall structure (50) that consists of tubes (100) with needle ribs and through which the air flows; at that, wall (50) consisting of tubes (100) with needle ribs acts as filter wall (15), and by means of wall (50) consisting of tubes (100) with needle ribs the heat energy is transferred through needle ribs from heat carrier flowing in tube (100) with needle ribs to the air, or in the opposite direction - from air to heat carrier.
EFFECT: higher energy efficiency of a building.
20 cl, 20 dwg
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