04-04-2011, 05:40 PM
More about thin film-
http://www.fool.com/investing/general/20...solar.aspx
Also Sanyo's HIT panels contain both th and polysi.
One of the companies mentioned ENER markets Unisolar branded panels which claims higher efficiency at every hour of the day. So we'll see how these claims shake out in a few years.
I forgot to mention if you have hot water tank on the roof can you use gravity instead of conventional pump to draw the water?
http://www.fool.com/investing/general/20...solar.aspx
Also Sanyo's HIT panels contain both th and polysi.
One of the companies mentioned ENER markets Unisolar branded panels which claims higher efficiency at every hour of the day. So we'll see how these claims shake out in a few years.
I forgot to mention if you have hot water tank on the roof can you use gravity instead of conventional pump to draw the water?