Compact ventilation unit with heat recuperator comprises heat exchanger and two fans in casing placed along side of window

摘要

The ventilation unit comprises a heat exchanger (3), two fans for creating air currents. The fans are placed opposite the heat exchanger. The unit is installed along a longitudinal side of a window or door, The heat exchanger and the fans are incorporated in a casing (7), whose length is less than that of the window side, and covered by a grill (9).