Not exact matches
That's because in Passive
House design, every jog and bump adds surface area and can be a thermal bridge or a source of
air leakage, so Passive
House buildings want to be boxy.
Specially constructed airtight ply boxes were installed to receive the new windows, and also allow for preliminary airtightness testing to more accurately reveal
air leakages elsewhere in the
house
The continuous
air barrier yields minimal
leakage, with
air tightness testing revealing only 0.3 ACH50 which is half the Passive
House requirement.
If I'd stick - built the same
house, I'll bet my
air leakage measurement would have...
Table 2 lists the
air leakage test results for each of the
houses.
The duct systems for the sealed attic
houses had an average of 41 % less total
air leakage, and, most importantly, no measurable
air leakage to the outdoors.
As shown, the sealed attic
houses had lower
air leakage.