Fredrik Eriksson <fe79}--at--{yahoo}--dot--{com> wrote:
> http://en.wikipedia.org/wiki/Solar_chimney

  If I understand the picture correctly, it's not because heat would somehow
grab some "extra heat" along the way. It's simply due to airflow: The sun's
heat is used to produce outwards airflow, which sucks air from inside the
house out.

-- 
                                                          - Warp

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