Long-term use of solar panel evacuated tubes for water heating?
Still considering whether to put in flat solar panels or evacuated tubes....
Does anyone have experience of evacuated tubes? How long have yours lasted so far? Do they degrade? Ditto for flat panels...
Mine are still up. hey last a long time and neither of them degrade so don't worry about that. and please do the environment good and buy them. it also saves you A LOT of money!
thx
Solar Water Heater Panel
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