Live Seminar DVD 3 Disc Set

Volume 1 DVD: Passive Annual Heat Storage Basics

NTSC. Why don’t old fashioned passive solar techniques work … and more. Day 1 of the three day PAHS seminar, with live questions and answers.

Volume 2 DVD: Earth Tube Ventilation

NTSC. How convection-powered earth tube ventilation systems work, and more. Day 2 of the three day PAHS seminar, with live questions and answers.

Volume 3 DVD: Building Method Alternatives

NTSC. Engineering Basics, Bending Concrete, and more. Day 3 of the three day PAHS seminar, with more in depth questions and answers.

$195.00 USD