Photovoltaic (PV) technologies directly convert energy from sunlight into electricity. This fact sheet discusses the various types of semiconductor materials used in the PV panels, their application, and the benefits of using PV technology.
Solar water heating is the most cost effective and environmentally responsible method to heat water for residential and commercial use. A properly designed and installed solar water heating system can be expected to provide a significant percentage of a building's hot water needs.
Solar thermal technologies harness the energy of the sun to provide energy for water heating, space heating and cooling, and pool heating, and are an integral part of a clean energy future.
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