evacuated tubes vs. flate plates [RE-wrenches]

[Hugh Piggott]

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>>  ETs are inherently more intricate, delicate and complicated.  They 
>>are the Porsche and the FPs are the Toyota.

I recently installed some chinese evac tubes on my own roof.  I am 
very pleased with the output and the price was not bad, but I don't 
have much experience of solar HW.  I do wonder how long they will 
last.

What I was going to say was, I read in a recent edition of Renewable 
Energy World, that most solar HW in the world is actually evac tube 
and the reason is that the vast majority of Chinese solar HW uses 
them.  Not so common elsewhere, but china has by far most of the 
installed capacity of solar thermal systems.

So I guess they are more than a gimmick if they have most of the 
market already.
-- 
Hugh Piggott

Scoraig Wind Electric

http://www.scoraigwind.co.uk


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