4. What are the recommendations for network design and operation?
Ventilation devices are exclusively associated with air circulation.
Here are a few recommendations for the design and maintenance of these various fluid networks, in order to reduce the associated energy consumption.
4.1 For air networks
Ensure that air circulation speed does not exceed 4 m/s in office buildings and 10 m/s in workshops; excessive speed generates noise pollution and over-consumption of fan energy.
Check that the network has no unnecessary singularities: elbows, dampers, abrupt narrowing or widening, adapted supply and extract outlets.
Have the system checked for leaks to avoid over-consumption of energy.
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Bibliography
Also in our database
Normative references
EN 16798 – Energy performance of buildings – Ventilation of buildings (parts 1 to 16 published in 2017).
EN 12759 – Fans – Fan efficiency classification (2021).
EN 52120 – Energy performance of buildings – Contribution of building automation, control and management systems (2022).
Websites
The energy section includes a list of equipment affected by the European ErP Directive (select "List of energy efficient products Regulations: by product group" from the search bar).
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