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Lindab Sp. z o.o. - is a world leader in the field of ventilation products and systems. Airtightness of higher class assures the precision of construction of our ventilation systems. Due to their quality, our products are recognised both on Polish and foreign markets. The technology used in the manufacturing process uses the newest solutions of leading Italian, German and Swiss manufacturers. A warehouse equipped with high storage system allows us to swiftly process our Clients’ orders.

Thermozone® AD 400 A/E/W

Air curtains for doorways with height of up to 4 metres.

AD400 is an air curtain with a modern design intended for permanent installation above doorways with heights up to 4 metres. By separating zones of different temperature with a jet of air, the AD400 effectively prevents cold draught in open doorways and provides good heating comfort and the opportunity to make use of the floor space close to the opening. AD400 can also be used for heating and drying at the opening.
Significantly reduced energy loss gives large savings. An adjustable air blower grille makes it possible to direct the air for an optimal air curtain effect. With AD400A without heat it is possible to significantly reduce energy losses through openings to refrigerated rooms, or openings to air conditioned rooms.
AD400 can be built into false ceilings. In wide doorways it is possible to mount several units beside each other and control them with a single thermostat and control panel. The three different product lengths make it possible to cover openings of different widths.

  • corrosion proof housing made of hot zinc-plated and powder enamelled steel panels; colour: RAL 9016,
  • adjustable c/c distance between mounting brackets,
  • easy to mount,
  • compact and easily positioned,
  • the front panel is easy to remove, which facilitates installation and maintenance,
  • optimized airflow with Thermozone technology.

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Ventilation ducting & fittings