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Case studies

Case studies offer insight into implemented technologies, methodologies, research, or practices, and provide an overview of real-life results, outcomes, lessons learned, and best practices.

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Case studies (174)
The Eiksveien 116 building
Case Study | Eiksveien 116
The Eiksveien 116 project in Østerås, Norway, is a sustainable, energy-efficient care home complex featuring eco-friendly materials, geothermal heating, solar panels, and a green roof, designed to minimise its environmental impact while providing high-quality housing.
05/03/2025
Editorial team
One of the 'Residenza I Girasoli' buildings
Case Study | Residenza I Girasoli
Residenza I Girasoli in Castenaso, Italy, features energy-efficient, well-insulated buildings with modern HVAC systems, renewable energy sources, and smart technologies, aiming for Plus Energy status while offering limited user customisation.
03/03/2025
Editorial team
The house in Oostvoorne
Family home in Oostvoorne, NL
This sustainable Oostvoorne home blends into its forested setting with natural materials, energy-efficient systems, and biophilic design that harmonises architecture and environment.
24/01/2025
Editorial team
The non-residential building in Slovenia
Non-residential building (health sector), Western Slovenia
A health sector building in Western Slovenia underwent energy renovation in 2019, achieving an SRI score of 18%, with potential upgrades like photovoltaic panels and smart systems promising a rise to 51% and improved efficiency, comfort, and flexibility.
20/01/2025
Editorial team
The office building
Office building, Aix-en-Provence, France
The office building in Aix-en-Provence, built in the 1970s, has an SRI score of 39%. Suggested improvements, like upgrading the heating, lighting, and ventilation systems, adding solar panels, and installing motorised sun protections, could raise its score to 51%, enhancing energy efficiency, comfort, and flexibility.
09/01/2025
Editorial team
The detached house
Semi-detached house, Canaviais, Évora, Portugal
This 2024 semi-detached Passive House in Évora, Portugal, features energy-efficient design, including solar panels, heat recovery ventilation, and a thermosiphonic system, with a focus on low heating demand and renewable energy generation.
08/01/2025
Editorial team
The Elmen project
The Elmen social housing project in Olm, Luxembourg
The Elmen social housing project in Luxembourg showcases sustainable design with smart energy systems, achieving a 40% SRI score, with potential upgrades to boost efficiency, comfort, and storage.
20/12/2024
Editorial team
The house in Norwich
Detached single family house in Norwich, UK
An off-grid, timber-framed barn replacement in Norwich features sustainable design, cellulose insulation, rainwater harvesting, and a 12 kWp PV system with battery storage, achieving exceptionally low energy demand.
16/12/2024
Editorial team
The 'Cabaña Pasiega'
Rehabilitation of a 'Cabaña Pasiega'
The rehabilitation of a 'Cabaña Pasiega', a detached single-family house in Cantabria (Spain), preserves its exterior stone while enhancing energy efficiency with insulation and sustainable systems to meet EnerPHit certification.
13/12/2024
Editorial team
Showing 10 of 174 case studies