New legislation opens a new pathway for optimizing energy efficiency in buildings
The upcoming EPBD revision of the European Green deal (2019) strengthens the focus on energy efficiency and indoor air quality, unlocking new opportunities for compliance and optimization
Around 40%
Of energy consumed in the EU is used in buildings.
Over 1/3
Of the EU’s energy related GHG emission come from buildings
+/- 80%
Of energy used in EU homes is for heating cooling and hot water
The revised Energy Performance of Buildings Directive (EPBD) emphasizes that building owners have the flexibility to choose their preferred ventilation systems, provided they can reliably measure, monitor, and document indoor air quality (IAQ).
To meet these requirements, building operators must invest in smart monitoring solutions that enable real-time tracking of IAQ parameters while optimizing HVAC system efficiency.
The integration of sensors and digital control systems is now a regulatory requirement, reinforcing the EU’s commitment to sustainability, occupant health, and data-driven building management.
Additionally, the EPBD references the importance of air filtration to maintain acceptable IAQ, especially in areas where outdoor air quality is poor.
EPBD: In more detail:
The revised Energy Performance of Buildings Directive (EPBD) introduces new regulatory requirements aimed at enhancing energy efficiency, sustainability, and indoor environmental quality across the EU building stock. A significant aspect of the directive is its impact on ventilation, heating, and cooling (HVAC) systems, necessitating increased digitalization and real-time monitoring of indoor climate conditions.
The directive also underscores the importance of air filtration in maintaining acceptable IAQ, particularly in areas with high outdoor pollution levels. While the EPBD does not specify exact filter requirements, it references standards like EN 16798-3:2017, which recommends fine particle filters (ePM1 or ePM2.5) to ensure clean indoor air.
Mandatory Indoor Air Quality Monitoring
- Article 11: Establishes the requirement for measuring IAQ, including parameters such as CO₂, PM2.5, humidity, and temperature.
- Annex III: Defines the performance criteria that HVAC systems must meet in terms of energy efficiency and air quality
Smart Digitalization of Building Operations
- Article 8: Introduces the requirement for Smart Readiness Indicators (SRI) to assess the ability of buildings to optimize energy performance through automation and sensor technology.
- Article 12: Stipulates that newly constructed and majorly renovated buildings must integrate digital control systems for heating, cooling, and ventilation.
Flexibility in Ventilation Strategy
- Article 13: Confirms that building owners and operators are free to select any ventilation approach (natural, mechanical, or hybrid), as long as they can measure and document compliance with indoor climate standards.
Air Filtration Considerations
- While the EPBD does not mandate specific filter types, it acknowledges the role of air filtration in maintaining IAQ. The directive references standards such as EN 16798-3:2017, which recommends the use of fine particle filters (ePM1 or ePM2.5) to ensure clean indoor air. rehva.eu+1camfil.com+1
Implementation Timing
Public Buildings
- Public sector buildings, including government offices and schools, are typically subject to accelerated implementation timelines due to their visibility and compliance requirements. This is expected to be undertaken within 2–3 years of the legislation’s adoption.
Private Buildings
- Private sector buildings, including commercial and residential properties, may have a longer timeframe, often up to 5 years, to comply with the requirements for IAQ monitoring and digitalization. This extended timeline allows for the gradual integration of smart systems and sensors, with many owners opting for a phased approach in upgrading HVAC systems.
Older Buildings
- Older buildings, particularly those not undergoing major renovations, may have a longer grace period before full compliance is expected, depending on the level of renovation required. During this period, building owners are encouraged to retrofit systems and install monitoring sensors progressively.
By integrating these measures, the EPBD aims to create healthier indoor environments, reduce energy consumption, and move towards the EU’s goal of a carbon-neutral building stock by 2050