Build journal
Oshawa ADU —
Passive House from the ground up
Documenting the construction of a Passive House accessory dwelling unit in Oshawa, Ontario. From design and permitting to the final blower-door test — all in public.
The Day My Backyard Disappeared — And What Passive House Construction Taught Me
Week one of excavating a Passive House ADU in Oshawa revealed three things no one talks about — access loss, family dynamics, and the brutal reality of material staging on a small city lot.
Oshawa ADU — The Beginning
Why we're building a Passive House accessory dwelling unit in Oshawa, Ontario, and what we hope to prove with this project.