multi-family buildings

  • California between PV mandate and buildings ready for solar heat

    This year, California´s energy policy has been clearly focused on pushing PV. As recently as September, Governor Jerry Brown signed a bill committing the Golden State to zero-carbon electricity supply by 2045. Likewise, revised Building Energy Efficiency Standards, which the California...
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  • underfloor heating system

    Concrete slabs store thermal energy and heat homes

    Many building owners consider roof-integrated solar systems to be a tried-and-true way of saving as much on their heating bills as they can. A research project called solSPONGEhigh and developed in Austria has shown: When using thermal mass, i.e., the capacity of a building to store heat in...
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  • Source: California Public Utilities Commission

    California Solar Initiative dominated by multi-family houses

    In 2017, the California Solar Initiative (CSI) – Thermal Program supported the installation of 20,000 m² of collector area, a 20 % increase over the prior year. With 10,832 m², or four times the area installed in 2016, multi-family buildings dominated the subsidy landscape for those 12...
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  • Switzerland market statistics

    Switzerland: Strong Heat Pump and PV Competition

    There couldn’t be a starker contrast between the market development of two renewable heat segments: Whereas Swiss heat pump sales remained at around 18,400 units per year from 2014 to 2016, collector sales dropped significantly from 117,634 m² in 2014 to 66,699 m² last year. Market volume...
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  • Bulgaria multi-family blocks

    Bulgaria: Third Phase of Residential Energy Efficiency Credit Line Launched

    Although Bulgaria is a country with many green or mountainous areas, it has had to grapple with severe air pollution caused not only by old cars, but also by wood-fuelled heating systems, which are popular across the country. The European Environment Agency has recently rated the Bulgarian...
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  • Elsol

    Israel: Winter Hail Storm Boosts Replacement Rate

    Last year, the Israeli market saw a significant increase in newly installed glazed collector area, showing a total of 428,750 m² or a 9 % increase compared to the previous year. Eli Shilton, Managing Director of Israeli solar thermal system supplier Elsol, believes that a hail storm last...
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  • France: Industry Does Not Yet Surrender

    The one-day workshop of the French solar sector to discuss the General State of Solar Heat in 2015 (États Généraux de la Chaleur Solaire 2015) took place in Nantes on 20 October with around 130 participants. The market is still...
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  • Switzerland: Shift towards Multi-Family Housing Projects

    In June, the Swiss Federal Office of Energy published its annual solar market report carried out by the solar energy association Swissolar (see the attached document in German and French). In 2014, sales of glazed collectors dropped by 7 %, down to 113,000 m² of absorber area....
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  • Germany: Solar Heat Costs Less than Oil and Gas in Multi-Family Buildings

    Solar thermal is economically viable in Germany in multi-family buildings – that is the clear message of the Excel-based tool which German solar thermal system supplier Remeha, a brand of the BDR Thermea Group, uses to calculate solar water heater performance at multi-family dwellings. The...
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  • Austria: 1,500 m² ESCO Project for Vienna Residential Area

    Austrian heat supplier Energiecomfort is expanding its solar heat services: The company based in Vienna, the capital of Austria, services around 5,000 m² of collector area for 50 different multi-family building projects across the Vienna area. Over the coming weeks, a 1,500 m²...
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