Hi guys, here in argentina Vacuum tubes (heat pipe) are very very expensive, want to know if someone know other good eficiency technology to use as solar heater.
I read some good reviews abt use plastic bottles and glass bottles but nothing that compare it with commercial technologies. Mainly i want 60C in my watter.
Sorry for my english!
Regards
I read some good reviews abt use plastic bottles and glass bottles but nothing that compare it with commercial technologies. Mainly i want 60C in my watter.
Sorry for my english!
Regards
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