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Under Beta-min, enter the minimum volume flow rate for the minimum hygienic air exchange.
The default value for residential buildings is 3 m3/(m2h).
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Activate the Infiltration option if it is to be included in the determination of the nominal-air heat load.
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Activate the Air change option and enter the hourly air change if an hourly air change has been agreed.
The Mechanical ventilation option is deactivated.
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Activate the Mechanical ventilation option if mechanical ventilation is intended in this room.
The Air change option is deactivated.
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Enter the supply and exhaust air volume flow rate with the corresponding temperature in each case.
The highest load of the activated ventilation types is entered in the Q-Ventilation field, and is used for further calculation.