Heating Solutions, Tube Heaters

Thanks to its innovative concept and the use of unique components, such as the bluTek burner, the deltaSchwank combines a whole range of benefits. A radiation factor of 80.6% in combination with a thermal efficiency of 96.3% facilitates a seasonal efficiency of 99.0%. At the same time, the deltaSchwank tube heater is exceptionally environmentally friendly with only 60 mg/kWh NOx.

The deltaSchwank radiant heater is unparalleled in terms of efficiency, user friendliness and environmental protection. This is a direct result from Schwank engineers working tirelessly to produce a completely unique heating system.

These exceptional radiant gas heating systems not only provide you with the most energy efficient heater possible, but are extremely easy to use as well. They contain an on-board diagnostic function for optimised maintenance and repair and are industry 4.0 ready, providing the end user with a seamless end product.

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Your personal contact:

Schwank Ltd.

Suite 3, 10 Churchill Square
Kings Hill ME19 4YU

+44 [0] 208 641 3900


The most efficient gas-infrared Schwank tube heaters


  • 99,0% seasonal efficiency*
  • 83,7% radiation factor for these Schwank tube heaters*
  • 96,3% thermal efficiency and thus up to 50% reduced exhaust gas losses [with respect to the calorific value Hi]
  • Average 72% lower auxiliary energy consumption
  • Full modulation as standard with these energy efficient heaters

[Calculated according to European Commission Directive 2015/1188  on the deltaSchwank 1260U]


  • On-board diagnostic function for optimised maintenance & repair
  • Predictive maintenance = maximum system availability
  • ModBus-compatible
  • 15 years warranty [Applies in combination with the Premium GaraPlus package
  • Industry 4.0 ready
  • “Made in Germany” quality


  • 20% less CO2 and up to 55% lower NOx thanks to the patented bluTek burner with pneumatic gas/air mixture [Exhaust gas values vary according to the product type.]
  • Minimised switching cycles for a longer product service life for this most efficient heating solution

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deltaSchwank information

For end users, installers and engineers

The gas infrared dark radiator with 99.0% seasonal energy efficiency

The gas infrared Schwank tube heaters with 99.0% seasonal energy efficiency.

Reference system

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Schwank Ltd.

Suite 3, 10 Churchill Square
Kings Hill ME19 4YU

+44 [0] 208 641 3900

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Schwank ist Weltmarktführer 2022 laut WiWo.