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First I’ve heard of solar thermal. Any good links?
by brightball 6y ago
First I’ve heard of solar thermal. Any good links?
- discreteevent 6y agoGoes back years. Simplest form is a squiggly pipe behind a pane of glass. Water runs slowly through the pipe and heats up.
- onionisafruit 6y agoThink rooftop solar water heaters.