Domestic Hot Water and Heating

  • ESCO solar heat projects in Spain

    More and more system suppliers are offering solar heat supply contracts, which reflects a growing trend in the solar heating and cooling market. And while most see Energy Service Companies, or ESCOs, as one among several options, Sumersol, based in Spain, specialises in this business,...
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  • SWOT analysis of building-integrated solar systems

    Which solar envelope systems are available for sale and what are their main features? A new report that is being drafted in Task 56 (Building Integrated Solar Envelope Systems for HVAC and Lighting) of the IEA Solar Heating and Cooling Programme will provide stakeholders with a...
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  • Strong vacuum tube collector sales in India

    Despite a booming solar PV market, India’s solar thermal industry managed to increase sales by as much as 18 % in 2018. It sold 5.85 million vacuum tubes (2017: 4.59 million), with Chinese imports increasing by 28 %. By contrast, flat plate collector sales dropped 46 % (147 MWth...
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  • Remote control cuts energy bill

    The heating industry is becoming increasingly digital, as evidenced by several new types of remote-control devices that were on display in the Energy halls of this year’s ISH, the world’s leading trade fair for bathroom design, building services, HVAC systems and renewable energy. The event...
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  • C&I solar heat gains popularity in Mexico

    The Mexican solar thermal market continued to grow slightly in 2018. The newly installed collector area was up by 4 %, although some government programmes were stopped or changed because of last year’s presidential elections. Flat plate, vacuum tube and unglazed collectors each took a third...
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  • Mexican quality standard published but not yet in force

    The implementation of Mexico’s new NOM-027-ENER/SCFI-2018 standard on solar water heaters has been postponed. Following its publication in the Official Journal of the Federation on 28 August 2018, it was expected to take effect 120 days later. Last December, however, the government...
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  • Sunpad – cost-effective integrated storage collector

    On 12 March, at the ISH 2019 in Frankfurt, Austrian-based Greenonetec unveiled a new integrated 150-litre storage collector system, for which it had come up with an inventive name: Sunpad. CEO Robert Kanduth (left) and Sales and Marketing Manager Patrick Vallant termed the system “the world...
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  • #SolarHeat: the main Twitter hashtag

    #SolarThermal or #SolarHeat: Which of these two Twitter hashtags or keywords better represents the production of thermal energy from sunlight? Because of some recent, large concentrating solar power (CSP) projects, the term solar thermal seems to be in frequent use on social...
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  • “The market requires simple plug-and-play solutions”

    Spanish-based supplier Endef is seeing increased demand for both its covered and uncovered PV-thermal systems produced in-house in Saragossa. Last year was the first in which the business installed devices at non-commercial buildings in Spain and implemented projects abroad. Endef is a...
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  • Testing collector durability in China

    How well will evacuated tube collectors made in China hold up after prolonged exposure to sunlight? The answer to this question can be found in a new report, titled Development of Accelerated Ageing Tests for Evacuated Tube Collectors. Created by the China Academy of Building...
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  • Shifting priorities: SWH design and quality

    Consumers are paying increasing attention to the design and quality of solar water heater systems, confirmed most of the SWH kit suppliers responding to a global survey by German market research agency solrico in November and December last year. Businesses agreed with the statement that a...
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