Welcome to European Tribune. It's gone a bit quiet around here these days, but it's still going.
Take a look at Energiesprong which has in interesting approach to retrofit and is now working in a few countries, including USAmerica:

Solar IS Civil Defense
by gmoke on Fri Apr 1st, 2022 at 09:46:32 PM EST
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Video link ugh.


Looks good!

by asdf on Fri Apr 1st, 2022 at 11:02:13 PM EST
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Also https://www.youtube.com/watch?v=Lcede_lcgo8
by asdf on Fri Apr 1st, 2022 at 11:07:42 PM EST
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