About 30 % of primary energy used in industrial countries is due to space heating. Therefore it is not only important to use Renewable Energy Sources to reduce the effects of the threatening climate changes and rising CO2 emissions, but using such sources is in fact the right path to solving the energy dilemma. Together with effective energy saving measures such as Heat Insulation, the use of Solar Radiation energy for heating purposes presents an economically sound and environmentally friendly solution.

See also: Solar Heating

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