Hello,
ASHRAE 2016 specifies the infiltration rate of the building at 75 Pascals (2.03 L/s.m²).
However, as I am modelling my building on Design Builder version 7, the options for the infiltration rate are at 4 Pa, 50 Pa, or simply Vol/h.
Can someone tell me how to enter into my model the equivalent of the value specified in ASHRAE 2016?
Thank you.
Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5906 thumbs up
December 1, 2023 - 9:44 am
You can convert the rate for different pressures. Here is a tool to do so - https://www.evokebuildings.com/airtightnesscalculator
Here is an article with a simple formula - https://help.covetool.com/en/articles/2626652-infiltration