Project name:


Feedstock origin:

Energy-efficient buildings


The European Research & Innovation project PLURAL funded by the Horizon 2020 programme aims to design, validate and demonstrate a palette of versatile, adaptable, scalable, off-site prefabricated Plug-and-Use kits. The objectives of the project will be achieved through international cooperation of 18 partners from 7 European countries with overall budget of 9,5 million EUR. Reduction of energy consumption and emissions in buildings is vital in meeting the EU's climate and energy targets for 2030. The NZEB (Near Zero Energy Building) concept requires a high level of energy efficiency, in combination with on-site renewable energy use/production. NZEB, can be leveraged further by prefabrication of building renovation components which enables improved quality control and shorter renovation times, since it reduces the duration of production and installation phases. Aligning prefabrication to Building Information Modelling (BIM) further facilitates coordination of manufacturing and preassembly (off-site and on-site) and improves engineering and construction management, bringing substantial benefits (time, cost, and quality) to the project owners. PLURAL proposes an integrated “Plug-and-play” solution meeting the above challenges, that takes into account User needs, which is hence named “Plug-and-Use” – PnU – kits. Key to achieving these goals is to understand how to select and integrate various renewable energy technologies from the many available, incorporate them in prefabricated façade components and optimise their performance for different building types, climates and socio-economic conditions. Also, how to best manufacture them minimising energy use and material waste. All the above in the context of BIM (Building information modelling) process.


Near zero energy consumption of buildings renovated with PnU kits (Heat losses through the envelope will be minimized through improved insulation of the façade components, reaching UValues of less than 0.23 W/m2K; Building primary energy consumption will be less than 60 kWh/m2 , achieved via the optimal design and operation of heating, cooling, ventilation, storage and harvesting components, and the increased share of renewable energy.)

Cost-effective renovation (ca. 58% reduction in renovation costs will be achieved through offsite prefabrication, lean manufacturing and construction interactively supported by the BIM based platform and Decision Support Tool.)

Environmentally- friendlier deep renovation (Aiming at CO2 emissions 15% less than the current average and 70% material recyclability.)

Flexibility – Adaptability (System combinations will allow easy adaptation of the PnU kits to be developed and validated as part of the project to various residential building typologies in all EU climatic zones.)


Fast-track renovation (PLURAL will achieve at least 50% reduction in the time required for deep renovation of e.g. multi-family blocks mainly by reducing the time to design/engineering, procurement, logictics, fabrication and site preparation from avg. 5-7 months to 2-4 months. The BIM based platform and the DST will facilitate monitoring the production time of the PnU kits, which will be realized in parallel with the site preparation, allowing to complete the on-site renovation including installation within 3-4 months.)

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