In alt.solar.thermal Matthew Maddock
wrote:

I think for whatever reason this was cross-posted! but I removed the
cross posting on my reply because I thought NG cross posting was
frowned upon! I am British, but am moving permanently to France.
Sorry - not used to NG's that are predominantly US read.

I think almost any usenet group is dominated by the US, although solar
expertise doesn't seem to be dominanted in the same way ;-(

As in any case, you have to ignore the advice/advise you don't like ;-)

Some of the high government subsidies vary from place to place, changing
what is economically viable in one location into a losing proposition in
another. Do-it-yourself verses commercially produced is also a breaking
point. What Nick might build for a pittance is quoted at $6000 installed
commercially.

I don't know if Nick actually builds anything, though.

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Clarence A Dold - Hidden Valley Lake, CA, USA GPS: 38.8,-122.5