Rossendale

C. Caswell Engineering Services Limited – known simply as ‘Caswell’ throughout the industry – is a Ventilation and Air-Conditioning manufacturing and contracting business.

We are Fire Resisting Ductwork specialists and manufacture CASWELL FIRESAFE® systems under licence from Firesafe Fire Rated Ductwork Limited.

Firesafe Fire Rated Ductwork specialises in CASWELL FIRESAFE fire resisting ductwork systems and international licensing.

Konvekta manufactures dampers and air control equipment, including volume control, PVC and heavy-duty stainless steel dampers.