The Government of Canada’s terminology and linguistic data bank.

ceiling diffuser [1 record]

Record 1 2011-05-17


Subject field(s)
  • HVAC Distribution Systems

An air diffuser located in the ceiling, and used to provide a horizontal distribution pattern of air over a zone occupied by people.


To introduce this volume [of air] without noticeable drafts, many devices have been developed: the perforated ceiling, the ceiling diffuser, the linear diffuser, and various forms of directional side wall grilles.


  • Distribution et évacuation (chauffage et conditionnement d'air)

Les diffuseurs plafonniers circulaires ou carrés permettent de souffler des débits importants avec une bonne répartition de l'air dans le local. (...) Les diffuseurs plafonniers nécessitent des hauteurs sous plafond assez importantes (...)


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