Do Earth Tubes Make any Sense?

Have you ever considered a geothermal ventilation system to cut your energy use for conditioning your outside air and cutting your energy cost? Green Building Advisor  Did a great article on Earth Tubes it is worth the read!   Article…

Passive House: Journey to Net Zero Energy INDIEGOGO Campaign

All, If you are interested in Passive House and US DOE Net Zero Energy Home this is a chance to get an owners’ perspective in her new book.  She’s crowdfunding so we can do critical R&D and data collection to…

Windows and Doors openings are cut out through the SIP Shell

Earth Tube Performance

Earth Tube Outside Air Temp at Supply Intake is 28 deg. F Earth Tube Inside Supply Air Temp is 52 deg. F

Earth Tube Performance

The standing Temp is -10 deg. F outside at the Earth Tube Intakes. Earth Tube supply air temp inside the building is 46 deg. F.

Garage Buildout

Structural Mat Slab 1) The structural mat slab has a broomed finish which functions as a walk off space for dirt from shoes and an anti-slip finish. 2) The structural mat slab has a 3 inch fall toward the garage…

Garage Buildout

Structural Mat Slab 1) 4,000 psi concrete mix, with structural concrete curbs which carry the weight of the 2 stories above the garage.

Garage Buildout

Insulation Layers 1) Garage stem walls are insulated to the footings with a 1 foot thick layer of Dow Blue board 2) Structural slab insulation is a 1 foot thick insulation layer of Dow High Strength Blue Board 3) Structural…