backup

Are there any disadvantages to using solar energy?- Solar thermal systems most probably have higher "first costs" than other kinds of heating systems. Also, the energy is not available 24 hours a day and not sufficiently during all seasons of the year. That means that storage systems like water tanks and backup systems are a must in all solar thermal installations.

Latest news		Latest uploads
Mexico: Procalsol Programme Ends this Year		Wright State Solar Tour Event (2010)
India: Solar-heated Ritual Bath at 1,700 m		Mexico: Procalsol Programme Ends this Year
Romania: Signs of Recovery at Bucharest’s RomTherm		Solar Air-Conditioning Systems in North America (2010)
SOLTRAIN: Free Solar Heating Systems for Social Institutions		Solar Heat Worldwide - Markets and Contribution to Energy Supply 2010 (2012)
Austria: Collector Production Unit for Sale		India: Solar-heated Ritual Bath at 1,700 m

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