Domestic Hot Water and Heating

  • Little known VAT exemption in Senegal

    Little known VAT exemption in Senegal

    Senegal could see an increase in demand for solar water heaters after the government introduced VAT exemptions for solar thermal and PV. Decree No. 010158, signed by the Minister of Finance and Budget and the Minister of Petroleum and Energy in summer 2020, states that 22 components...
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  • Financial and environmental benefits of solar heat pumps

    Financial and environmental benefits of solar heat pumps

    As a source of energy for brine heat pumps, a PV-thermal collector field is well suited to reducing power demand in existing and to-be-renovated single-family homes, researchers at the Zurich University of Applied Sciences, also known as ZHAW, have found. They compared combinations of PVT...
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  • High expectations in Brazil despite Covid-19 worries

    High expectations in Brazil despite Covid-19 worries

    The solar thermal market in Brazil grew by about 6 % in 2019, adding 1.32 million m2 (0.93 GWth) despite a turbulent economy. The surge came in part due to new commercial customers that require large quantities of hot water and followed four years of steadily declining...
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  • EU to have 35 million building units renovated by 2030

    EU to have 35 million building units renovated by 2030

    This October saw the unfolding of two landmark events that will have a major impact on renewable energy markets for decades to come. On 14 October, the Renovation Wave communication was published, its aim being to “at least double the annual energy renovation rate of residential and non-...
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  • Solar houses: above 95 % solar fraction is possible

    Solar houses: above 95 % solar fraction is possible

    Between 2014 and 2019, the Austrian Climate and Energy Fund supported the construction of over 100 solar-heated houses, 19 of which were monitored following completion. Regardless of whether it was a lightweight or a brick house that was put up, the rooftop or facade collector system...
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  • 50 new solar hot water systems at Turkish prisons in three years

    50 new solar hot water systems at Turkish prisons in three years

    Turkey’s regulations on installing solar energy equipment in buildings with over 1,000 m2 of floor area has resulted in a growing number of centralised solar hot water systems in prisons over the last years. The above photo shows one of those installations, a 3,363 m2 solar hot...
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  • Grants for 600,000 renewable heating systems in England

    Grants for 600,000 renewable heating systems in England

    In early August, the UK government announced a GBP 2 billion (USD 2.61 billion) Green Homes Grant scheme that will fund up to two-thirds of the cost of home improvements, including solar thermal systems, heat pumps and insulation, for over 600,000 residential buildings. From the end of...
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  • Region with high solar ambitions joins IEA SHC

    Region with high solar ambitions joins IEA SHC

    One of the IEA Solar Heating and Cooling Programme’s new sponsors is SACREEE, the Centre for Renewable Energy and Energy Efficiency, set up by the Southern African Development Community (SADC), an intergovernmental organisation. SADC represents a dynamically developing solar thermal region...
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  • Export champions from Greece offer good value for money

    Export champions from Greece offer good value for money

    The Greek solar thermal industry is an export champion: The total collector area sold to customers abroad tripled from 200,000 m2 to 600,000 m2 in only 10 years (see chart). Greek manufacturers took advantage of opportunities around the world while demand for their...
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  • Optimising life-cycle costs in the construction industry

    Optimising life-cycle costs in the construction industry

    A facade to capture solar energy is a particularly appealing option if a solar thermal system is to be integrated into an office or a multi-family building, as the available roof area is often relatively small compared to how much floor space needs to be heated or cooled. An international...
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