By employing an air curtain above an external door of a retail outlet passing trade has been known to increase by as much as 40%.

By using special high powered air curtains on the doors of cold stores and freezers the internal temperatures can be maintain without the use of fast acting roller doors or plastic slats.

By installing powerful air curtains on large industrial doorways, temperatures can be maintained in loading bays and despatch areas.

An air curtain supplying a high velocity sheet of air across a door opening will prevent flies and other flying insects from entering a building.