Air curtain is driven by high efficiency and high-performance external rotor motor coupled with a powerful sirocco fan system which provides super high outlet velocity with concentrated air steam that covers the entire doorway with a solid shield of air.
This “Invisible door” serves the shut-out function for indoor cool air retention, blocking out unpleasant dust, fumes and odors, zoning function for separating air-conditioning zone & non-air-conditioning zone, smoking and non-smoking areas and it may even be used for air circulation purpose.