Domestic Hot Water and Heating

  • Ambitious Plans for Solar Thermal Technology in India

    The Indian market of vacuum tube collectors is picking up pace: Several manufacturers of flat plate collectors have started importing tube collectors from China. So far, they possess a market share of 10 to 15 %. Photo: Sudarshan Saur

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  • Great Demand in Austria

    Great Demand in Austria

    The solar thermal industry in Austria can take the financial crisis lightly: Demand is still increasing. The number of grant applications in the months between July and September was distinctly higher than in the months before. “Grant applications have increased by almost two-thirds in the...

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  • Israel: The World’s first Solar Thermal Legislation

    Israel has been the first country to pass a legislation on solar thermal installations. With the second oil crisis end of the 1970s members of parliament searched for ways to make their country more independent of imported energy. The result was a law on solar water heating to be used in new...

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  • Brazil Evaluates Its Solar Thermal Installations

    Evaluation project in Brazil: The Grupo de Estudos em Energia (GREEN) at Pontificia Universidade Católica de Minas Gerais, also called the Brazilian Center for the Development of Thermo-Solar Energy, checks the quality of components and installed systems. Foto: GREEN

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  • More Research Needed for New Storage Materials

    If solar energy is to be the primary or only source of heat for houses in the future, there will arise a need for storing it more efficiently. Materials have to be found that are able to hold more energy than water, but with less volume and higher loss. Task 32 of the International Energy...

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  • USA: Solar Heating and Vacuum Tube Collectors are catching up

    The US-American domestic solar heating and cooling market grew by 31 % in 2007, after the rapid climb of 77 % in 2006. These are figures from the annual statistics of the Energy Information Administration (EIA), which publishes the official energy statistics of the U.S. Government. In total 150,000...
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  • Heat Transfer Fluid from Corn

    Heat Transfer Fluid from Corn

    The US-American based renewable system supplier Solar Panels Plus LLC (SPP) has launched an alternative to petroleum-based propylene glycol. The new heat transfer fluid made from corn is completely renewable and biodegradable. “The underlying corn glycol product is made by chemical giant DuPont...
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  • Promotion of Solar Water Heaters

    This 55-page study "International Experiences with the Promotion of Solar Water Heaters on Household-level", published in October 2006, introduces possible promotion mechanisms for solar water heaters on a household-level. Criteria for their assessment are defined in compliance therewith. The main...
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