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Evacuated tubes

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Posted by Jack on December 9, 2006, 6:08 pm

Does anyone have experience with evacuated tube solar collectors? I am
infatuated with the concept and it appears like the technology is quite
mature. Probably best suited to hot water generation however.


Posted by DJ on December 9, 2006, 5:55 pm

Jack wrote:

They've been around a long time, yes. I regularly get calls to do minor
maintenance on systems that have been installed since the 80's.

Other than using them as a solar-powered wood burning kit, though, I'm
hard pressed to think of another good use for them other than domestic
hot water and hydronic-style heating systems ;-).


Posted by homeboy465 on December 9, 2006, 9:21 pm

they work well  they had them installed in the new technology building at
the Plymouth College Of Further Education while I was there and since that
they have added a wind turbine and solar pannels. I have also seen them used
ion "It's Not Easy Being Green" they are where they were successful.

The ones at the college were made a point of by my tutor as i was on a
microcomputer corse and energy sources were part of that. They were only
being used as a source of heat in the building but if you makaged to get
hold of a stirling engine (full size engins i have found to be hard to
locate but I have herd that they are available) then you could use the heat
to power the engin and that in turn could run a geneator.

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