Wednesday, December 29, 2010

Solar power systems

Since electricity has been fast becoming a limited resource and an expensive thing, there has been a call to promote solar water heaters, which have proved beyond doubt to be a cost effective method of heating water. They have fast begun replacing the traditional method of heating water and have been used widely across the world during the past few years.

Solar water heaters are typically powered by sun light and since sunlight is a free source of energy, it has become an alternative to

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