Montana Earthship
A 1,850 sf passive solar residence in Montana, built from natural and upcycled materials and completely off-grid.

Passive solar, fully off-grid.
A passive solar house built from natural and upcycled materials, including earth-packed tires. It runs completely off-grid, providing its own electricity, potable water, contained sewage treatment, heating and cooling, and food production.
Full architectural services for an off-grid residence: design development, permitting and construction. Our role was project manager and builder.
Project photos.









Related sheets.
- 01
Biotecture
Passive solar buildings that heat, cool, power and water themselves.
B-100 - 02
Construction + permit drawings
Model and custom plans, drawn for your site and your building department.
A-100 - 03
Tire walls
Rammed-earth tire walls: the thermal mass behind the design.
S-600 - 04
Portfolio
More built and designed work.
P-000
Start with the site.
Tell us where it is and what you want the building to do. We design and build across the country and around the world.