45331210 - Ventilation installation work

CPV code 45331210 in the EU Common Procurement Vocabulary refers to Ventilation installation work. It sits at level 6 of the CPV hierarchy as a subcategory within the 45 division. This code is nested directly under 45331200, narrowing the broader category into the specific area of ventilation installation work. As a leaf code, 45331210 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns ventilation installation work. Contracting authorities across the EU use 45331210 in TED notices and national procurement portals to signal that a tender relates to ventilation installation work.