BS EN 15780:2025

This standard BS EN 15780:2025 Ventilation for buildings. Ductwork. Cleanliness of ventilation systems is classified in these ICS categories:

• 91.140.30 Ventilation and air-conditioning systems

This document specifies general requirements and gives guidelines for ventilation systems except for industrial, medical and laboratory facilities. This document also specifies cleanliness criteria and procedures necessary in assessing and maintaining the cleanliness of ventilation systems over their lifetime from design and installation to maintenance. This document is applicable to both new and existing ventilation systems with, and without, air conditioning and kitchen extract systems.