Energy Performance Buildings Directive (EPBD)

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EPBD - Energy Performance Buildings Directive  Review 2018 

The amending Energy Performance of Buildings Directive (EU) 2018/844  has entered into force 9th July 2018.  Because it is a Directive, EU countries will have to transpose the new elements of the Directive into national law within 20 months, this means by 10th March 2020.

The new Directive has huge potential for efficiency gains in the EU building sector, the largest single energy consumer in Europe. It includes measures that will accelerate the rate of building renovation towards more energy efficient systems and strengthen the energy performance of new buildings, making them smarter.

 The legislative Act in English, and in other languages - see link

EPBD Implementing Guidelines for the Member States 

Buildings will be part of the larger energy grid to be used for societal needs such as e-mobility and as nearly zero carbon targets are set for 2050 energy renewables have to come in at a much larger extent.  But energy efficiency measures in dwellings and buildings are the low hanging fruit to focus on, meaning with building envelopes to use as less energy as possible for their operation, while keeping a healthy thermal and air quality comfort for its occupants.

Guidelines for a proper assessment of windows with use of dynamic shading 

The assessment of the energy performance of glazed areas in the building envelope is often based on insulation properties, i.e. the thermal transmittance (U-value) of windows. However, the U-value alone does not include for the significant impact of solar gains. In reality, windows are also exposed to heat gains, with a risk of overheating in summer when there is no solar shading/protection strategy used to reduce the solar factor or g-value of windows.

Therefore, adopting a dynamic energy balance would give a more accurate picture of the performance of windows in their specific environments. Read more 

Download  the ES-SO Position Paper on Implementing EPBD 2018/844

 

 

 

 

 

 

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