Ventilation of school facilities is divided into central and semi-central or decentral systems and ventilation of catering facilities.
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Central system
Uniform ventilation of classrooms and other facilitiesEqual pressure ventilation of classrooms with different ventilation of other facilities
Semi-decentral system
Semicentral ventilation system for classroomsDecentral classroom ventilation system
Ventilation of other facilities
Gastro operations
System with ZZTSystem without ZZT

