I want to make a solar water heater using a polycarbonate sheet. If i want maximum heat which side should face upwards?
polycarbonate sheet for solar water heater
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The side that has the UV protective layer.
plain polycarbonate will degrade in sunlight. We have a greenhouse with insulated PC panels, and one side has the UV resist on it,Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
|| Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
|| VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A
solar: http://tinyurl.com/LMR-Solar
gen: http://tinyurl.com/LMR-Lister -
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Well I've got my diy solar kit set up and even when the sun shines it hardly lukewarm inside. I'd be better off putting my 200ft of hose in the shed cos it's warmer in there.
I can't see any advantage yet of using polycarbonate. But maybe it's because I've not fixed it down yet and there are gaps around the edgesComment
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