ČSN EN 15780
Větrání budov - Vzduchovody - Čistota vzduchotechnických zařízení

ČSN EN 15780 (12 0553)

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.