FIELD: ventilation.
SUBSTANCE: device comprises a supply fan installed in an air channel, one end of which is connected to a ventilation nozzle, and the other one is divided into two channels, ejecting and supplying ones. The ejecting channel is connected with an inlet of an exhaust nozzle, an exhaust air duct is connected with the ejecting channel, via a heat exchanger, the inlet of a heat-release circuit in it is connected with an outlet of an exhaust air duct, and the outlet of a heat-release circuit is arranged in the form of an ejecting nozzle installed in the ejecting channel. The supplying channel is connected to an inlet of a heat exchanger heat-absorbing circuit, the outlet of which is connected with a vertical ventilation shaft. The outlet of supplying windows in premises is equipped with a heater.
EFFECT: using energy only to drive an axial fan, air motion is realised through simple and reliable devices and forces of natural circulation.
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