EN 16798 - European Ventilation and Energy Performance Standard
EN 16798 is the European standard for energy performance of buildings with focus on ventilation. It establishes indoor environmental quality criteria and ventilation requirements for comfort, health, and energy efficiency across the EU.
Overview
EN 16798, "Energy Performance of Buildings - Ventilation for Buildings," is a comprehensive European Standard that establishes requirements for indoor environmental quality and ventilation systems. Published by CEN (European Committee for Standardization), EN 16798 replaced the earlier EN 15251 standard and consists of multiple parts covering design criteria, calculation methods, and performance indicators. EN 16798-1 establishes indoor environmental parameters including thermal comfort, indoor air quality, lighting, and acoustics. EN 16798-2 addresses interpretation of requirements for energy performance. EN 16798-3 covers ventilation for non-residential buildings, and additional parts address residential and specific building types. The standard integrates ventilation requirements with energy efficiency objectives, supporting the EU's Energy Performance of Buildings Directive (EPBD). EN 16798 provides flexible design approaches accommodating mechanical ventilation, natural ventilation, and hybrid systems while ensuring adequate indoor air quality and occupant comfort.
Key Features
- Indoor environmental quality categories (I, II, III, IV) for different building types
- Ventilation rate calculation methods based on occupancy, floor area, and pollutant loads
- Thermal comfort criteria using adaptive and PMV/PPD models
- Energy-efficient ventilation strategies including demand-controlled ventilation
- Natural, mechanical, and hybrid ventilation system design guidance
- Heat recovery and energy recovery ventilation provisions
- Indoor air quality pollutant concentration limits
- Integration with building energy performance calculations (EPBD)
Applicability
EN 16798 is primarily used by:
- Building services engineers for ventilation system design across EU
- Energy consultants for EPBD compliance and building energy modeling
- HVAC designers for mechanical and natural ventilation specifications
- Architects for passive ventilation and building envelope design
- Building certifiers for green building and energy performance certification
- National authorities implementing EU Energy Performance of Buildings Directive
- Facility managers for ventilation system operation and optimization
- Research institutions studying indoor environmental quality
Geographic Application: Applicable across all European Union member states. Forms basis for national ventilation regulations implementing EPBD. Also used in non-EU European countries aligning with EU standards.
Comparison Notes
- Integrates IAQ and energy - Balances ventilation with energy efficiency more explicitly than ASHRAE 62.1
- Category-based approach - Four quality levels vs. single minimum standard in many codes
- EPBD alignment - Directly supports EU energy performance directive compliance
- Adaptive comfort included - More comprehensive thermal comfort models than prescriptive temperature limits
- Flexible ventilation strategies - Encourages natural and hybrid systems more than US codes
Official Source: https://standards.iteh.ai/catalog/standards/cen/14341ec2-6859-4c45-a346-1f72652c84bc/en-16798-1-2019