Ventilating equipment for building comprises housing through which extends air flow path and at least one blower motor arranged and connected with fan wheel provided with fan blades

摘要

The flow path comprises at least one flow channel (102) and at least one separated output air flow channel (100). The fan wheel (40) has a blade area in the fresh/feed air flow channel and another blade area in the output air flow channel. In the fresh/feed air channel a heat exchanger (30) is arranged and formed by a dividing wall between the two flow channels or by ribs or plates (98,99) extending on both sides from the dividing wall.