Green Buildings

  • Solar Facade

    Building-integrated solar envelopes: barriers to deployment

    Active and passive solar systems integrated into building envelopes are key to combatting climate change. However, there are many barriers which confine current solutions to the demonstration stage and prevent them from going mainstream. To increase the size of the market, researchers have...
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  • Dr Gao BCA Singapore

    How to approach green construction in the tropical zone

    While nearly zero energy projects in Europe focus on reducing heat demand, green buildings in tropical Singapore require lower cooling loads. To study and discuss methods to meet cooling needs, construction and energy experts from all around the world met in Singapore in late October for a...
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  • Villa Castelli

    IEA SHC: How to Turn Historic Structures into Nearly Zero Energy Buildings

    More than one-fourth of all residential buildings in Europe date from before 1945. Over the past decade, preservationists have taken to the idea of renovating historic structures in an energy-efficient manner. The planned IEA SHC task titled Deep Renovation of Historic Buildings Towards...
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  • IEA SHC: Thirty Net Zero Energy Buildings in One Book

    IEA SHC: Thirty Net Zero Energy Buildings in One Book

    The joint SHC Task 40 / EBC Annex 52 project Towards Net Zero Energy Solar Buildings has been one of the largest of the Technology Collaboration Programmes IEA Solar Heating and Cooling (SHC) / Energy in Buildings and Communities (EBC). As many as 86 experts from 19 countries collaborated...
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  • Position Paper: Actions Needed to Pave Way for Net Zero Energy Buildings

    Position Paper: Actions Needed to Pave Way for Net Zero Energy Buildings

    Over 40 % of primary energy use and 24 % of greenhouse gas emissions are attributed to global energy use in buildings so architects and builders are being posed the challenge of creating highly energy-efficient structures. One vision promoted by stakeholders in many countries worldwide...

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  • Switzerland: New Buildings to Reach Nearly Zero Energy Standard by 2020

    Switzerland: New Buildings to Reach Nearly Zero Energy Standard by 2020

    On 9 January 2015, the Swiss Conference of Cantonal Energy Directors agreed on nationwide model rules for building energy codes. These rules include a nearly zero energy standard for new buildings from 2020 onwards and a 10 % renewable requirement for heating system retrofits. Although...
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  • Netherlands: Energy Demand Reduced to 25 kWh/m²a in Just One Day

    Netherlands: Energy Demand Reduced to 25 kWh/m²a in Just One Day

    In recent years, Roosendaal’s De Kroeven, the Dutch city’s district of terraced houses built in the 1960s (left photo), has radically changed not only its stone face but also its energy performance (right). Netherland’s largest passive-house retrofit project equipped 246 houses with new...
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  • Sweden: New Solar-Heated Residential Area in Vallda Heberg

    Sweden: New Solar-Heated Residential Area in Vallda Heberg

    Solar district heating may still be in its infancy, but more and more projects across Europe are starting to showcase its great potential. Speakers at the second International Solar District Heating Conference, which took place in Hamburg, Germany, on 3 and 4 June 2014, presented and...
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  • Austria: All-in-One Climate Protection

    Austria: All-in-One Climate Protection

    Two blocks of flats in Kapfenberg, Austria, were turned into energy-plus buildings this year (see photo). Prefabricated facades and building service elements were the basis for a fast and efficient retrofit, which is part of the project “e80^3 Buildings – reconstruction concepts towards...

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  • Great Britain: Zero Carbon or Nearly Zero Carbon?

    Great Britain: Zero Carbon or Nearly Zero Carbon?

    In December 2006, the UK Government set a new policy that all new homes in England would be ‘zero carbon’ from 2016 and introduced an initiative called the Code for Sustainable Homes (CSH), which would allow ratings to measure different levels of compliance. Although initially confusing...

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