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  1. AlmostBob

    Ideas for eco-friendly houses

    just so you can tell what part of the thread I was replying to, waaaaaaaay back. I refer to film, rolled flexible printed (printed is the part that got me) cells, just unroll and glue down, as not being available yet. Still in development, large cost benefits, no clean room, no large...
  2. AlmostBob

    Ideas for eco-friendly houses

    3 years, is the repayment for thin-film solar panels, Thin film cells are not yet easily available and location:NOT the hunter, North of 20o lattitude depending on cell type: not the crystalline cells sold each generation of solar panels produces more energy for less industrial cost...
  3. AlmostBob

    Ideas for eco-friendly houses

    trenching a site is a 10x more expensive than drilling, but only consider trenching if there is not ground water to extract (and return no water is consumed) so there is no alternative perhaps for this site geothermal is more efficient than solar, (than anything, efficiencies of 500% are easy...
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