EN 16798: Ventilation Requirements and Energy Recovery in Buildings

Table of Contents

The EN 16798 series (which replaced EN 15251) sets the framework for indoor environmental quality and the energy performance of ventilation and building services. It defines how much ventilation is needed and, through the accompanying energy requirements, when recovery is effectively mandatory.

Where outdoor-air rates are high, the heating and cooling load from conditioning that air is large. EN 16798’s energy calculations assume recovery effectiveness values that must be verified by a test method such as EN 308. In practice, meeting the building energy target forces the designer to add an ERV or HRV.

EN 16798 supports the EU Energy Performance of Buildings Directive (EPBD), which drives near-zero-energy building requirements across member states.

Size the recovery device to the design ventilation rate and confirm the assumed effectiveness against the actual unit’s rated data. Our engineers can map EN 16798 requirements to a specific core, or email kuns913@gmail.com / WhatsApp +86 15753355505.

Frequently Asked Questions

Does EN 16798 require energy recovery?

It sets ventilation and energy-performance criteria; where ventilation rates are high, the accompanying energy requirements effectively mandate recovery to meet the building energy targets.

How does EN 16798 relate to EN 308?

EN 308 provides the test method to verify the effectiveness values that EN 16798’s energy calculations assume.

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