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How does Displacement Ventilation work?
Displacement ventilation introduces supply air into a room at low velocity and usually at low level. The supply air arrives at a source of heat such as a person, computer, etc., and is entrained into the rising air pattern caused by the warming of the ambient air around the heat source. This warm air is usually collected at high level by the extract system.
This is a typical description, but it doesn’t describe all of the possibilities. Other types of displacement ventilation designs involve high volumes of air that effectively fill the room with conditioned air from the ground up, thus ensuring that the air in the occupied zone is freshest.
Displacement Ventilation System Design For Improved Air Distribution
Distribution of the supply air is often much more efficient when using textile ventilation systems as there is so much surface area of material diffusing air into the room. This also ensures that this air is delivered at low velocity and low noise levels.
Because fabric ducting systems are available in a range of shapes and installation options (not to mention colours and art or graphic designs) there exists huge flexibility in choosing just how you want to achieve your displacement ventilation system and how you want it to look and perform.