Volume flow rates of the rooms –Residential ventilation

Calculate the volume flow rates which result from the conditions of the use unit.

  1. Activate the tab: Air Flow
  2. Check the requirement for the calculation of Maximum selected::

  3. Check settings in

  4. Click Calculate. DDScad performs the calculation:

    1. Calculation of the three comparison values from step 2)
    2. Acceptance of the maximum after Maximum selected:,
    3. Subtraction of the value in Infiltration qv.: (step 3).
    4. The result appears as a proposal in Selected extract:.