Heating and ventilating device for the inside of a building

摘要

A heater (2) heats the air in the room to which a ventilation unit (3) supplies fresh air by means of an air-fan. The heater and ventilation unit are contained in a housing (1) in which the ventilation unit is a separate module. Air is discharged from the inner room by at least one exhaust air fan. Both fresh air and discharged air are conducted through at least one heat exchanger