Flat panel solar water heater made up of a panel and heat collecting water tank, and generally runs in natural circulatory style. The flat-panel heat collector consists of the panel for absorption of heat, a transparent cover, an insulating layer for back and side face, and the framework.
Flat Collector,The flat panel solar system has a lower cost of construction, high rate of heat, it can produce hot water when sunny; but it looses heat too quickly. Also on cloudy or rainy days the flat panel systems are not as efficient as vacuum tubes.
