[Greenbuilding] mass-enhanced R-values :-(

[Nick Pine]

Don Eyermann writes:

> This simplistic tubing system has been built into homes in Europe, 
> Asia and Africa with well documented results. The reality of its LOW 
> COST and actual performance... has garnered significant attention from 
> people who were just as skeptical as you... including even the Pope.

Ah yes, the Pope: http://www.youtube.com/watch?v=3f72CTDe4-0

Nick