Imagine you own an old apartment block that leaks heat like a sieve and costs a fortune to run. This team built a toolbox of snap-together upgrades — super-thin insulation panels, solar tiles, smart windows that heat and cool themselves, and a brain that manages it all — so you can pick exactly what your building needs without ripping everything apart. They tested it on real apartment buildings in four countries, from sunny Spain to cold Denmark, and got energy savings between 71% and 99%. Think of it like a modular phone case for buildings: you choose the pieces, they click together, and suddenly your old block performs like a brand-new one.
Europe's residential buildings are old, energy-hungry, and expensive to heat and cool. Building owners and housing authorities face tightening EU energy regulations but lack a clear, affordable path to deep renovation — most retrofit approaches are either too expensive, too disruptive, or one-size-fits-all. The result is millions of apartments stuck in energy poverty while renovation rates crawl at around 1% per year.
A Refurbishment Assessment Tool that generates tailored renovation scenarios with cost projections, plus a modular Retrofit-Kit combining vacuum insulation, modular photovoltaics, smart windows, wireless sensor networks, and intelligent energy management. All validated through four full-scale demonstration renovations in Cadiz, Lausanne, London, and Frederikshavn covering 67 apartments.
If you are a social housing provider dealing with aging building stock and rising energy costs — this project developed a Refurbishment Assessment Tool and modular Retrofit-Kit that was demonstrated on 67 apartments across 4900m2 in four European countries, achieving energy savings between 71% and 99% with payback in less than 15 years.
If you are a renovation contractor struggling to offer cost-effective near-zero-energy upgrades — this project created a modular package of vacuum insulation, smart windows, modular photovoltaics, and wireless sensor networks that can be customized per building. The Least-Cost method helps you price each job accurately and the Integrated Project Delivery approach streamlines execution.
If you are a property manager facing tightening EU energy performance regulations and tenant demands for comfort — this project built a decision-support platform that generates renovation scenarios with cost and performance projections. It was validated across four climate zones covering 67 apartments, proving the approach works whether your buildings are in southern or northern Europe.
The project developed a Least-Cost method specifically to optimize renovation cost versus performance. Based on the four demonstration sites covering 67 apartments, the payback period is less than 15 years. Exact per-unit costs depend on which modules from the Retrofit-Kit are selected for each building.
Yes. The system was demonstrated on four real apartment buildings in Spain, Switzerland, UK, and Denmark — covering 67 apartments and 4900m2 of built space. These sites were chosen to capture different climate zones and construction types across Europe.
The consortium of 19 partners across 9 countries includes 11 industry partners and 5 SMEs. IP is likely distributed among consortium members. Contact the coordinator at Aalborg Universitet or specific technology providers within the consortium for licensing discussions.
The four demonstration sites achieved energy savings between 71% and 99%, depending on the building's starting condition and which Retrofit-Kit modules were installed. The Refurbishment Assessment Tool helps predict savings for your specific building before you commit to renovation.
The Retrofit-Kit is specifically designed to be modular and customizable. It was validated across four climate zones — from Cadiz in southern Spain to Frederikshavn in northern Denmark. The Refurbishment Assessment Tool generates tailored renovation scenarios for each building.
The project targets near-zero energy building (nZEB) standards, which align with EU Energy Performance of Buildings Directive requirements. The demonstrated savings of 71-99% bring aging buildings well within current and upcoming regulatory thresholds.
Based on available project data, the project used Integrated Project Delivery to streamline execution. Four full demonstration renovations were completed within the project period. The Refurbishment Assessment Tool is designed to generate Action Plans quickly and accurately for each site.
The ReCO2ST consortium is heavily industry-oriented: 11 out of 19 partners come from industry, with 5 SMEs, giving a 58% industry ratio — well above average for EU projects. This signals that the technologies were developed with commercial viability in mind, not just academic interest. The 9-country spread (Austria, Belgium, Switzerland, Germany, Denmark, Greece, Spain, Ireland, UK) provides broad European market validation. Aalborg Universitet in Denmark coordinates, but the real commercial potential sits with the industry partners who contributed building technologies, sensors, and energy management systems. For a business looking to adopt these solutions, the consortium offers multiple potential technology suppliers already experienced in real installations.
Aalborg Universitet, Denmark — reach out to the Department of the Built Environment for project contact details
Want to connect with the ReCO2ST team or get a tailored brief on how this retrofit technology applies to your building portfolio? Contact SciTransfer — we bridge EU research and business.
