Update: More on the Solar Heated Pig House

In spite of a small setback caused by a winter storm, but Jim Murphy's and John Feyen's solar heated pig house has performed well.

058 solar pig house - diagram2.jpg
SOLAR PHASE II Air enters the collector through holes in the roof (A) and flows down to a manifold under the eave, then enters the building through a window-mounted fan (B) and is drawn into distribution tubes (C) buried underneath concrete.