Forum: Solar Heating
11-12-11, 07:41 AM
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Replies: 9
Views: 5,045
Thanks for the explanation. First picture is...
Thanks for the explanation. First picture is describing the cheap version of solar boiler which is nor under high pressure. It is common here (at least at merchants). Solar is popular, but very few...
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Forum: Introductions
11-12-11, 02:16 AM
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Replies: 6
Views: 3,730
It is little hard to compare bills, but I know...
It is little hard to compare bills, but I know that my original central heating (electrical) is OFF during 4-6 sunny hours per day, even outdoor temp is just few degrees above zero Celsius (38F),or...
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Forum: Solar Heating
11-12-11, 01:47 AM
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Replies: 9
Views: 5,045
I thought there were two types of tubes. ...
I thought there were two types of tubes.
http://www.kupindo.com/solarno-grejanje-vode_slika_L_591892.jpg
http://unissgrejanje.com/media/Aprikus_foto_seme/Sema_Vakuum%20cev.gif
one with...
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Forum: Introductions
11-11-11, 01:03 PM
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Replies: 6
Views: 3,730
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Forum: Solar Heating
11-11-11, 12:58 PM
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Replies: 23
Views: 37,750
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Forum: Introductions
11-11-11, 12:55 PM
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Replies: 6
Views: 3,730
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Forum: Solar Heating
11-11-11, 12:49 PM
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Replies: 9
Views: 5,045
evaculated tube types?
can someone compare (explain) to me two types of solar (evacuated) tubes? First with water-flow going through them and other with no water (just copper core)? is there big difference in efficiency,...
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Forum: Solar Heating
11-11-11, 12:45 PM
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Replies: 59
Views: 67,894
@madmike
just make sure you check with...
@madmike
just make sure you check with merchant, I think that "double wall polycarbonate sheet" has something like 60-70% light transparency, unlike normal polycarbonate sheet, which has close to...
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Forum: Introductions
11-11-11, 12:32 PM
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Replies: 6
Views: 3,730
Solar project
Hi all,
I am solar-projects fan. Proud to say that I am already using pop can solar air heater already mounted on my house...
I have started couple more wind small-turbine project, and this...
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