Month: September 2025

The EU’s New EPBD: Why Indoor Air Quality Needs a Unified Standard

Sotirios PapathanasiouLeave a comment

The recently updated Energy Performance of Buildings Directive (EPBD) is a pivotal legislative framework aimed at improving the energy efficiency of buildings across the European Union. While its primary focus remains on energy savings and decarbonization, the revised EPBD now formally recognizes the crucial link between energy performance and Indoor Environmental Quality (IEQ). This update requires member states to address IEQ in their national legislation, ensuring that energy-efficient buildings also support the health, comfort, and well-being of their occupants.

A Framework for IEQ, Not a Rigid Standard

A significant aspect of the updated EPBD is its approach to IEQ. Rather than imposing a single, rigid set of Europe-wide limit values for all IEQ parameters, the directive establishes a flexible framework. This approach acknowledges the vast diversity in climate zones, building types, and occupant needs across the EU. The consensus is that a one-size-fits-all model would be counterproductive, potentially leading to suboptimal outcomes and hindering innovation.

The new EPBD defines IEQ as a comprehensive concept that includes several key domains:

  • Indoor Air Quality (IAQ): Addressing contaminants and ventilation.
  • Thermal Comfort: Pertaining to temperature and humidity.
  • Lighting: Considering both natural and artificial light.
  • Acoustics: Controlling internal and external noise.
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The Unseen Air Inside Classrooms

Sotirios Papathanasiou1 Comment

In the modern classroom, the focus is often on technology, curriculum, and engagement. However, a critical element that directly impacts student health and learning often goes overlooked: the air they breathe. In many schools, especially older buildings, ventilation systems are inadequate or non-existent. This can lead to a buildup of pollutants and, most critically, an increased risk of airborne infections.

The importance of good air quality cannot be overstated. A well-ventilated space keeps the concentration of airborne particles at bay, including viruses and bacteria. When traditional ventilation falls short, supplementary solutions become essential. This is where air purifiers, both commercial and do-it-yourself (DIY), offer a viable and often more affordable solution.

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