Apologies for the stagnation of the Solar Cabin construction. While I lay in waiting for materials and capital, I have been doing lots of design work. As I was running through calculations and doing research, I realized how daunting this might be for many people looking to approach this from a Do-It-Yourself standpoint.
And from that random though comes Part I of my step-by-step guide to designing a solar heated structure:
Designing a Solar Heated Structure
When heating a structure using a dire....

Do It Yourself Solar