45331220 - Air-conditioning installation work

CPV code 45331220 in the EU Common Procurement Vocabulary refers to Air-conditioning 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 air-conditioning installation work. As a leaf code, 45331220 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 air-conditioning installation work. Contracting authorities across the EU use 45331220 in TED notices and national procurement portals to signal that a tender relates to air-conditioning installation work.