Buildings in Europe account for about 40 % of the total energy consumption and of 36% of the CO2 emissions. Currently, about 35% of the EU's buildings are over 50 years old. By improving the energy efficiency of buildings, Europe could reduce total EU energy consumption by 6% and lower CO2 emissions by about 5%. (Source: http://ec.europa.eu/energy/en/topics/energy-efficiency/buildings).
ES-SO is strongly supporting the Energy Performance of Buildings Directive (EPBD) which has since its Recast in 2010 given to Member States a powerful means to improve the energy performance of their buildings. The EU Commisison launched on 30th November 2016 its Clean Energy package.
ES-SO would like to stress a point of attention, which is not sufficiently addressed:
"Overheating risk in low energy buildings to combat": Low energy construction methods and a progressing climate change are reported as playing a significant role in increasing overheating in new built and renovated buildings, which will shift the energy need for heating into more energy needed for cooling. To address this properly an explicit article on overheating has to be included in the coming EPBD review.
ES-SO assembles studies and reports on overheating risk in low energy buildings, read more
Read here also the Joint Paper 9th November 2016 on 'Tapping the potential of windows' by European Aluminium, Eurowindoor, ES-SO, Glass for Europe.
Revising the Energy Performance of Buildings Directive: Tapping the potential of windows, Joint Position Paper
For the first time, the building glass façade and window industry represented by European Aluminium, EuroWindoor, ES-SO and Glass for Europe come together to call for a modernised EPBD to unleash the energy savings potential of high performing windows.
Windows and glazed areas in buildings are essential to the overall energy performance of buildings but also to the general comfort and well-being of people living and working in these buildings. To reap these distinctive benefits of modern windows, the four associations call for a revision for the Energy Performance of Buildings Directive, in particular to ensure the energy performance of glazed areas is fairly assessed and to put in place the right mechanisms and incentives for market actors to deliver massive energy savings.
In the joint position paper enclosed, the signatories call on the European Commission to consider three priorities ahead of its review of the EPBD:
1. Increasing the renovation rate of European buildings to obtain larger energy use reductions
2. Using the energy balance approach to assess the energy performance of windows
3. Recognising the benefits of daylight, natural ventilation and solar management
Read the Position Paper, dowload here
Since the EPBD recast 2010 and more in particular in Northern, Western and Eastern countries studies are being published on overheating in recently constructed buildings.
The reason of the increasing overheating risk is not only climate change but is also an unexpected consequence of more insulated and air-tight buildings.
See the overview national reports and presentations:
Overheating in homes, an introduction for designers, planners and property owners, U.K.Dept for Environment, Food, Rural Affairs, Zero Carbon Hub NHBC House, read more
Indoor and Built Environment, 2016, Energy performance of buildings in Poland on the basis of different climatic data, read more
Talinn University of Technology at Qualicheck presentation Conference 4 September 2015: measurements on overheating in new appartments Estonia, read more
ES-SO study: "high performance dynamic shading solutions for energy efficiency and comfort in buildings", executive summary 2015 Sonnergy Ltd, read more
On the predicted effectiveness of climate adaptation measures for residential buildings by Eindhoven University of Technology, The Netherlands, 2014, read more
Pilot effect klimaatveranderingen op energiebesparingen en besparingsconcepten bij woningen, 2012, TU Delft, Nederland, read more on www.verozo.be
Overheating in new homes, a review of the evidence” by NHBC Foundation U.K., 2012, read more
The Comfort Houses - Measurements and analysis of the indoor environment and energy consumption in 8 passive houses 2008-2011” and recent investigations by Aalborg university Denmark: NZEB have an increased need for cooling to combat overheating, even in low seasons, due to high insulation and airtightness, read more
See also related International studies:
Indoor Air Quality, thermal comfort and daylight, analysis of residential building regulations in 8 of EU member states, BPIE, 2015, read more
The Technology Roadmap: Energy Efficient Building Envelopes, a publication of the International Energy Agency, 2013, download here
The impact of climate change on thermal comfort, heating and cooling energy demand in Europe, ECEEE 2007 Summer study- saving energy, read more
ES-SO launches Europe-Wide Data Resource for Solar-Shading Products, ES-SDA
Dynamic Shading is an important component in the design of energy saving buildings. Shading is included in the EU Energy Performance of Buildings Directive (EPBD), and is now a requirement in National Building Codes. For effective implementation, achieving fully the benefits of shading, it’s essential that architects and engineers have ongoing access to reliable, robust data when preparing specifications and performance-calculations.
To support this need ES-SO has taken the initiative to create a new European Solar Shading Products Properties Database, ES-SDA. Its aim is to provide a reference list of independently verified and validated solar shading materials, to ensure correct specification and application in all types of buildings.
The first launch took place in Brussels, 25th february 2016. More to read in the press-release, to be found here
See all presentations below
A new vision on solar shading, by Peter Winters, President ES-SO, download here
Part One : the procedure, download here
Part Two : the outputs and dissemination, download here
Presentation of ESBO - early stage building modelling tool, by Per Sahlin - EQUA, download here
EQUA and ES-SO undersigned an agreement that the input performance data of manufacturers which are validated by ES-SO will be indicated as such.
The ES-SDA solar shading database will also be presented as best case for reliable data on the Qualicheck Workshop 9th March 2016 in Athens, download here the program.
Press articles on ES-SDA:
- ES-SO Position Paper 2015
- Global lighting performance project, ESTIA -Swiss study
- Position Paper for ventilative cooling
- Qualicheck conference - Towards improved compliance and quality of works for better performing buildings Sept 30, 2014
- News from solar shading Italy
- ES-SO's Memo to the EU political decision makers
- IPCC Report : Climate Change 2014
- New European Standards child safety internal blinds
- EU-strategy on climate and energy policies 2030
- News from the scientific world
- Horizon 2020
- New child safety requirements for internal solar shading
- Opportunities and Pitfalls in the World of LEED®
- The Energy Efficiency Directive 2012/27/EU, adopted on 25 October 2012
- Cooling buildings in Abu Dhabi's heat
- Rehva - Clima 2013