| Classification of Products (CZ-CPA_2025) - level 5 - Category | 
                    28251 | 
                    Heat exchange units; non-domestic air conditioning machines, refrigeration and freezing equipment | 
                  
                
                  
                    | Combined nomenclature 8 digits | 
                    84151010 | 
                    Air conditioning machines designed to be fixed to a window, wall, ceiling or floor, self-contained | 
                  
                
                  
                    | Combined nomenclature 8 digits | 
                    84151090 | 
                    Air conditioning machines designed to be fixed to a window, wall, ceiling or floor, "split-system" | 
                  
                
                  
                    | Combined nomenclature 8 digits | 
                    84158100 | 
                    Air conditioning machines incorporating a refrigerating unit and a valve for reversal of the cooling-heat cycle "reversible heat pumps" (excl. of a kind used for persons in motor vehicles and self-contained or "split-system" window or wall air conditioning machines) | 
                  
                
                  
                    | Combined nomenclature 8 digits | 
                    84158200 | 
                    Air conditioning machines incorporating a refrigerating unit but without a valve for reversal of the cooling-heat cycle (excl. of a kind used for persons in motor vehicles, and self-contained or "split-system" window or wall air conditioning machines) | 
                  
                
                  
                    | Combined nomenclature 8 digits | 
                    84158300 | 
                    Air conditioning machines comprising a motor-driven fan, not incorporating a refrigerating unit but incorporating elements for changing the temperature and humidity (excl. of a kind used for persons in motor vehicles, and self-contained or "split-system" window or wall air conditioning machines) | 
                  
                
                  
                    | Product list (CZ-PRODCOM) | 
                    2825125102 | 
                    Air conditioning machines with refrigeration unit (excluding those used in motor vehicles, self-contained or split-systems machines) | 
                  
                
                  
                    | Product list (CZ-PRODCOM) | 
                    2825125202 | 
                    Reversible heat pumps other than air conditioning machines of HS 8415 |