| Product code | 206670 + 206678 | ETVX16S18E9W7 + EPRA16DW17 | 
                    
                        
                        
                            | Heating capacity Outdoor air +35°C/ 7°C | 14 kW | 10.4 kW | 
                    
                        
                        
                            | Product type | Air-to-water heat pump | Air-to-water heat pump | 
                    
                        
                        
                            | Energy efficiency class (35°/55°) | A+++ | A+++ | 
                    
                        
                        
                            | SCOP | 4.33 | 4.57 | 
                    
                        
                        
                            | Warranty | 2 years | 2 years | 
                    
                        
                        
                            | Estonian language menu | Yes | Yes | 
                    
                        
                        
                            | Operating limit (Heating) | -30 ~ +43 °C | -28 ~ 25 °C | 
                    
                        
                        
                            | Refrigerant | R32 | R32 | 
                    
                        
                        
                            | Maximum pipe length | 15 m |  | 
                    
                        
                        
                            | Power supply voltage | 400 V/Ph/Hz | 380/3/50 V/Ph/Hz | 
                    
                        
                        
                            | Protection circuit breaker | C16 / C25 A | 16 A | 
                    
                        
                        
                            | Active cooling option | Yes |  | 
                    
                        
                        
                            | COP | 5.0 |  | 
                    
                        
                        
                            | Control and monitoring via the Internet | Yes | Yes | 
                    
                        
                        
                            | Electric auxiliary heating element | 15 kW | 3-6-9 kW | 
                    
                        
                        
                            | Domestic hot water boiler capacity | Separate | 180 l | 
                    
                        
                        
                            | Auxiliary heating element power | 15 kW | 3-6-9 kW | 
                    
                        
                        
                            | Maximum heating water temperature | 70 °C | 65 °C | 
                    
                        
                        
                            | Wi-Fi smart remote control |  | Yes | 
                    
                        
                        
                            | Pipe size (Liquid/Gas) |  | 25.4 mm | 
                    
                        
                        
                            
                        
                        
                        
                            | Indoor unit weight | 21 kg | 109 kg | 
                    
                        
                        
                            | Indoor unit dimensions (width x height x depth) |  | 595x1650x625 mm | 
                    
                        
                        
                            | Indoor unit noise level |  | 30 dB(A) | 
                    
                        
                        
                            
                        
                        
                        
                            | Outdoor unit weight | 137 kg | 146 kg | 
                    
                        
                        
                            | Outdoor unit dimensions (width x height x depth) | 1270 x 1018 x 530 mm | 1270x1003x533 mm | 
                    
                        
                        
                            | Outdoor noise level | 59 dB(A) | 41,1 dB(A) |