The Eurovent report ‘Ventilation systems in new and renovated residential buildings in support of the recast EPBD goals’ examines the role of ventilation systems in implementing the revised Energy Performance of Buildings Directive  (EPBD), highlighting their dual contribution to energy efficiency and indoor air quality in both new and refurbished residential buildings. In a context where building airtightness increases through renovation, mechanical ventilation is presented as an essential solution to ensure healthy indoor conditions, enabling precise control of airflow and effective filtration of pollutants.

The analysis underlines that inadequate ventilation has direct impacts on health and well-being, as well as associated social and economic costs. In response, technologies such as heat recovery ventilation and demand-controlled systems make it possible to optimise energy consumption and reduce thermal losses, offering significant savings compared to natural ventilation.

Furthermore, the report emphasises the need to integrate sensors, control systems, and harmonised standards at the European level, consolidating an approach in which indoor environmental quality becomes a structural component of building performance and sustainability.