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Climate change report US

08 August 2017

U.S Global change research program climate science special report (CSSR) 

The Climate Science Special Report is a key element of the U.S. National Climate Assessment, which, according to the 1990 Global Change Research Act, is supposed to be issued every four years.  The draft climate report, based on work conducted by scientists in 13 federal U.S. agencies, and currently under active review at the White House, estimates that human impact was responsible for an increase in global temperatures of 1.1 to 1.3 degrees Fahrenheit from 1951 to 2010.The Washington Post obtained the third draft of the report, shown here. 

 

ES-SO White Paper EPBD on overheating risk in low energy buildings

22 November 2016

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.

Download the ES-SO White Paper here.

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.

Joint Position Paper EPBD

14 November 2016

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

 

Studies on overheating in buildings

21 March 2016

Overheating in retrofitted flats: occupants practices, learning and interventions,U.K., read more   

BRE Test Report Scotland Vistor Centre -Operational Performance Assessment, Window Blind Case Study, read more

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

Building Overheating and Health in the U.K.- New homes and health, Angie Bone and Kevin Lomas, 24/25 November 2016

Indoor and Built Environment, 2016, Energy performance of buildings in Poland on the basis of different climatic data, read mor

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

 

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