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The idea behind technologies that use solar energy is to harness the freely available rays from the sun in a useful way.
The technologies used for solar water heating are simple and effective. The basic principal uses an absorber plate, which is heated by the sun's rays. The heat is collected in a transfer liquid, which is in turn used in a heat exchanger to heat water.
There are many designs of solar water heating and all work well within their design limits.
Here at Bright Energy we believe the system that works best in the UK is an indirect system (using a twin coil hot water cylinder) coupled with Evacuated tubes. Please see the diagram above.
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