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The SchwankAir range of efficient heaters has been used across a wide range of applications where warm air units provide the most practical heating solution.

  • Seasonal efficiency of 72.82% [ARM 5H]
  • Highly efficient heat exchanger made of aluminised steel
  • 2-stage operation of these efficient heaters offers higher comfort and economical operation
  • Modular burner structure for secure operation and durability
  • High-performance axial fan made of aluminium for long service life
  • Adjustable, vertical slats for optimal air distribution
  • Practical, cost-efficient regulation
  • Low-noise operation benefits from SchwankAir efficient heaters
In this section you will find product brochures, technical information and press articles about Schwank warm air units.
SchwankAir Air curtains – Brochure EN
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SchwankAir Air curtains, Ventilation 12. February 2019


Thanks to its leading heating technologies and outstanding product and service quality, the WirtschaftsWoche recently named the Schwank Group the “world market leader”.

The first system with our new high efficiency deltaSchwank tube heater has been successfully put into operation.

For the 25th time, the TOP 100 competition honours the most innovative companies in the German SME sector. One of these innovation leaders this year is Schwank GmbH.

Application reports


It was neither an engineer nor a physical measurand that impressed the discounter giant ALDI in its decision making per tube heater, it was spinach. Because this green leafy vegetable is one of the most sensitive vegetables to climatic influences during storage.

Founded in 1994 in the USA, the mail order company has since risen to become the world’s largest Internet retailer. Originally, Amazon concentrated on selling books, but now there is almost nothing that Amazon cannot supply.

The largest Polish steelworks with approx. 4,000 employees and a capacity of 5 million tons per year is located in Katowice. The plant has three blast furnaces, two rolling mills, three continuous steel foundries and its own power plant.