| − | A '''solar thermal collector''' is a device designed to receive solar [[radiation]] and convert it to thermal [[energy]]. Normally, a solar thermal collector includes a frame, glazing, and an absorber, together with appropriate insulation. The heat collected by the solar collector may be used immediately or stored for later use. [[File:Solar-thermal.jpg|thumb|420px]]
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| − | Solar collectors are used for space heating, domestic hot water heating, and heating swimming pools, hot tubs, or spas.
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