Self-adjusting chimney cowls

Self-adjusting chimney cowls use force of the wind to increase chimney draught. The cap always places itself in the opposite direction to the wind no matter of its strength or direction. They can be mounted on ventilation, flue (gas, oil) and smoke ducts.

Description

Self-adjusting chimney cowls are devices, which, in a dynamic way, use force of the wind to increase chimney draught. The cap always places itself in the opposite direction to the wind no matter of its strength or direction. Some versions, thanks to the materials used and their design can be mounted on flue (gas, oil) and smoke chimneys.

 

Among self-adjusting chimney cowls we have: 

 

Dragon

diameters 150 - 300 [mm] – the best cowl for smoke chimneys

Rotowent on slide bearings

diameters 150 – 400 [mm] - designed for ventilation, but some material versions can be used for smoke ducts  

Rotowent on ball bearings

diameters 150 – 400 [mm] - designed for ventilation

Rotowent Twister

diameters 150 - 200 mm – a cheap cowl that can be used for smoke duct endings 

 

All cowls are available in various types, material versions and diameters (click on a proper section for more details).

Usage

  • ventilation
  • flue and smoke ducts (some versions)

 

 

Cowl designed esspecialy for smoke ducts. It uses wind to increase chimney draught in most efficient way.  ...
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Classic chimney cowl that can be used for smoke ducts.     no electricity 2 years warranty...
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Popular low-cost chimney cowl made according to Darco high quality standards.     no electricity 2 years...
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