The Passive House
RETROFIT
How one project team transformed
a 1960s eyesore into a super-efficient,
net-zero-energy Home and Building
america program prototype.
Step-by-Step
PaSSiv WorkS inc.
ned bonzi PhotograPhy, nedbonzi.com
PaSSiv WorkS inc.
Graham Irwin of Essential Habitat did energy modeling for the
house using the Passive House Planning Package (PHPP) software. In the end, Graham performed 76 iterations of the O’Neill
residence with PHPP.
PaSSiv WorkS inc.
The builder began by implementing the
pressure-equalized rain screen insulated
structure technique (PERSIST) system to
create an airtight envelope.
