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how to set air infiltration under 50 pa pressure

I am doing a passive house model, the required airtightness is less than 0.6 ACH at 50 pa difference. In Opensutdio, in space infiltration design flow rate rates, i can set 0.6 air changes per hour but the question is how to set 50 Pascal pressure difference?

how to set air infiltration under 50 pa pressure

I am doing a passive house model, the required airtightness is less than 0.6 ACH at 50 pa difference. In Opensutdio, in space infiltration design flow rate rates, i can set 0.6 air changes per hour but the question is how to set 50 Pascal pressure difference?

how to set air infiltration under 50 pa pressure

I am doing a passive house model, the required airtightness is less than 0.6 ACH at 50 pa difference. In Opensutdio, in space infiltration design flow rate rates, i can set 0.6 air changes per hour but the question is how to set 50 Pascal pressure difference?

how to set air infiltration under 50 pa pressure

I am doing a passive house model, the required airtightness is less than 0.6 ACH at 50 pa difference. In Opensutdio, in space infiltration design flow rate rates, i can set 0.6 air changes per hour but the question is how to set 50 Pascal pressure difference?