CPV code 42513000 designates Refrigerating and freezing equipment in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
42513000 sits under 42510000 (Heat-exchange units, air-conditioning and refrigerating equipment, and filtering machinery) and groups 2 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.