On 2021-06-06 19:55, Scott Ritchey via Mercedes wrote:
Personally, I consider hot running water to be the panicle of technology that matters. I'm re-doing a small cabin on a pond and I plan to route the water lines such them I can gravity-drain them for winter.
I remember a cheap potable grade solar heater from about 40 years ago, I think I saw it in Popular Science. Basically, paint a big square piece of plywood black, and strap a coil of black poly pipe to it. I weather like we're seeing in Michigan these days, it'd get scalding hot in an hour or two.
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