| Product code | HBT-A100/190CDS90GN8-B + MHA-V4W/D2N8-B2 | 206668 + 206678 | 
                    
                        
                        
                            | Heating capacity Outdoor air +35°C/ 7°C | 4.25 kW | 10 kW | 
                    
                        
                        
                            | Product type | Air-to-water heat pump | Air-to-water heat pump | 
                    
                        
                        
                            | Energy efficiency class (35°/55°) | A+++/A++ | A+++ | 
                    
                        
                        
                            | SCOP | 4.84 | 4.33 | 
                    
                        
                        
                            | Warranty | 2 years | 2 years | 
                    
                        
                        
                            | Wi-Fi smart remote control | Yes |  | 
                    
                        
                        
                            | Operating limit (Heating) | -25 ~ 35 °C | -30 ~ +43 °C | 
                    
                        
                        
                            | Refrigerant | R32 | R32 | 
                    
                        
                        
                            | Pipe size (Liquid/Gas) | 6.35 + 15.9  mm |  | 
                    
                        
                        
                            | Maximum pipe length | 30 m | 15 m | 
                    
                        
                        
                            | Power supply voltage | 220-240/1/50 V/Ph/Hz | 400 V/Ph/Hz | 
                    
                        
                        
                            | Protection circuit breaker | 20 A | C10 / C25 A | 
                    
                        
                        
                            | COP | 5.20 | 5.0 | 
                    
                        
                        
                            | Control and monitoring via the Internet | Yes | Yes | 
                    
                        
                        
                            | Electric auxiliary heating element | 3+3+3 kW | 15 kW | 
                    
                        
                        
                            | Domestic hot water boiler capacity | 190 l | Separate | 
                    
                        
                        
                            | Auxiliary heating element power | 3+3+3 kW | 15 kW | 
                    
                        
                        
                            | Maximum heating water temperature | 65 °C | 70 °C | 
                    
                        
                        
                            | Estonian language menu |  | Yes | 
                    
                        
                        
                            | Active cooling option |  | Yes | 
                    
                        
                        
                            
                        
                        
                        
                            | Indoor unit weight | 140 kg | 21 kg | 
                    
                        
                        
                            | Indoor unit dimensions (width x height x depth) | 600x1683x600 mm |  | 
                    
                        
                        
                            
                        
                        
                        
                            | Outdoor unit weight | 60 kg | 126 kg | 
                    
                        
                        
                            | Outdoor unit dimensions (width x height x depth) | 1007x712x426 mm | 1270 x 1018 x 530 mm | 
                    
                        
                        
                            | Outdoor noise level | 44 dB(A) | 56 dB(A) |