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calorSchwank D Form L

calorSchwank D Form L View Large Image
HcalorSchwank D Form L


Fully insulated heater for lower energy costs

calorSchwank is the premium model among Schwank tube heaters. Its innovative burner technology, high-quality ceramic reflector insulation together with using a combination of highly varied materials increases the radiant characteristic of the tubes and the reflection properties of the reflector. This makes the heater extremely energy-efficient, consuming up to 20% less energy than infraSchwank. 

The insulation is also used in aerospace engineering because of its high heat resistance; it achieves a 4-fold improvement over conventional insulating materials despite its thinner material thickness. This minimises the amount of convection heat thus increasing the radiant factor and improving the efficiency as heat that accumulates below the ceiling is considered a waste of energy.

Major Product Benefits:

  • Radiant factor of up to 70.2%* and therefore achieving excellent efficiency
  • Optional 2-stage or fully modulating control
  • Ceramic insulation / minimisation of the convection heat share 
  • Long laminar flame 
  • Pressure burner system Whisper-Jet
  • As quiet as a whisper 
  • Quick and easy installation
  • Quality "Made in Germany" 
  • Available as L- or U-version

* radiant factor of a calorSchwank 30 measured by DVGW laboratory according to DIN EN 416-2

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