CPV code 42512000 designates Air-conditioning installations in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
42512000 sits under 42510000 (Heat-exchange units, air-conditioning and refrigerating equipment, and filtering machinery) and groups 5 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.