Heating and ventilation units with axial-flow fans are used for heating and ventilation of such rooms as industrial shops, storerooms, warehouses, greenhouses etc. with surfaces from 30m2 to 150 m2.
The series of types of the unit consists of 6 sizes.
The unit consists of:
-electric heaters with aluminium ribs rolled in a spiral way with the outer diameter of a rib D=28 mm and the ribs spacing s=2,8 mm;