Details on "Ventilation -> Infiltration"
Information about the Ventilation -> Infiltration in the general heat load data of the basis of calculation ISSO 51 (2023) and 53 (2018)).
The options in this section influence the infiltration volume flows on which the calculation is based. In addition, the infiltration volume flow is influenced by the number and position of the facades. The standard differentiates between
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one external facade,
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two external facades that are not opposite to each other,
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two facades opposite to each other and
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three or more facades.
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New Building
If the Ventilation module is activated, the setting of this checkbox is synchronized with the checkbox of the same name in the Ventilation module. In the Ventilation module, the setting influences the air volume determination of rooms that are calculated according to ISSO 53.
Enabled: The minimum volume flows for new buildings according to the building regulations are used. The present building is a newly built house and can also be calculated with higher standard inside temperatures according to ISSO 51.
Disabled: The building is an existing building according to building regulations. The building can not be calculated with higher standard inside temperatures according to ISSO 51. The year of construction or renovation must be entered in the activated text field.
Type of Building
Drop-down list for selecting the building type.
Year of construction/renovation
Text field for entering the construction or renovation year.
Roof type
Drop-down list for selecting the roof type.