| Product code |
Airobot-V8-HRV-B | Flexit Nordic S4 | 086L6191 | FTXF60D + RXF60D | 204626 | Airobot-V3-HRV-B | EHVX04S23E6V + ERGA04EV | 206678 + 207848 |
| Energy efficiency class |
A+ | A | A+++ | A++/A+ | A+++ | A+ | | |
| Color |
Black | | | | | Black | | |
| Power supply voltage |
220-240/1/50 V/Ph/Hz | 230 V/Ph/Hz | 400 V/Ph/Hz | 1/50/220-240 V/Ph/Hz | 400 V/Ph/Hz | 220-240/1/50 V/Ph/Hz | 220 - 240/1/50 V/Ph/Hz | 400/3/50 V/Ph/Hz |
| Protection circuit breaker |
10 A | 10 A | 10/16/20/25 A | 20 A | 20 A | 10 A | 16 A | 10 A |
| Maximum air flow rate (100Pa) |
208 l/s or 750 m3/h | 130 l/s or 468 m3/h | | | | 84 l/s or 300 m3/h | | |
| Approximate size of ventilated surface |
350 m² | 240 m² | | | | 140 m² | | |
| Air duct connection |
Ø 200 mm | Ø 160 mm | | | | Ø 125 mm | | |
| Filters |
ePM1 55% (F7) | 2 pieces ePM1 55% (F7) | | | | ePM1 55% (F7) | | |
| Nominal power, fans |
2 x 170 W | 2 x 115 W | | | | 2 x 83 W | | |
| Dimensions (width x height x depth) |
886 x 1021 x 589 mm | 753 x 727 x 610 mm | | | | 600 x 690 x 554 mm | | |
| Returns moisture |
No | Yes | | | | No | | |
| Control via phone application |
Yes | Yes | | | | Yes | | |
| Product type |
| Ventilation unit | Ground source heat pump | Air conditioner | Ground source heat pump | | Air-to-water heat pump | Air-to-water heat pump |
| Maximum power of the electric heater |
| 800 W | | | | | | |
| Type of heat exchanger |
| Rotor | | | | | | |
| Required control panel |
| No | | | | | | |
| Required condensate drainage connection |
| No | | | | | | |
| Eurovent certificate (ensures data reliability) |
| Yes | | | | | | |
| Heating capacity (B0/W35) |
| | 12 kW | | 5.56 kW | | | |
| SCOP |
| | 5.86 | 4.06 | 4.87 | | 4.48 | 4.85 |
| Warranty |
| | 2 years | 2 years | 2 years | | 2 years | 2 years |
| Estonian language menu |
| | Yes | Yes | Yes | | Yes | |
| Wi-Fi smart remote control |
| | Yes | Yes | No | | Yes | |
| Refrigerant |
| | R410A | R32 | R452B | | R32 | R290 |
| Active cooling option |
| | Yes | | Yes | | | Yes |
| COP |
| | 4.75 | | 4.4 | | | |
| Control and monitoring via the Internet |
| | Yes | | Yes | | Yes | |
| Electric auxiliary heating element |
| | 9 kW | | 9 kW | | | |
| Domestic hot water boiler capacity |
| | 184 l | | Separate | | 230 l | Separate |
| Auxiliary heating element power |
| | 9 kW | | | | 2-4-6 kW | |
| Passive cooling option |
| | Jah | | Jah | | | |
| Heating capacity (Min./Nom./Max.) |
| | | 1.7/6.4/8.0 kW | | | | |
| Cooling capacity (Min./Nom./Max.) |
| | | 1.7/6.0/7.0 kW | | | | |
| Operating limit (Cooling) |
| | | -10 ~ 48 °C | | | | |
| Operating limit (Heating) |
| | | -15 ~ 18* °C | | | -25 ~ 35 °C | -25 ~ +35 °C |
| Pipe size (Liquid/Gas) |
| | | 6.4/12.7 mm | | | 6.35 + 15.9 mm | |
| Maximum height difference |
| | | 20 m | | | | |
| Maximum pipe length |
| | | 30 m | | | | |
| Nominal heating capacity |
| | | 6.4 kW | | | | |
| Nominal cooling capacity |
| | | 6.0 kW | | | | |
| Without exterior unit |
| | | No | | | | |
| Supports multiple indoor units |
| | | No | | | | |
| Power consumption |
| | | | 1.26 kW | | | |
| Heating capacity Outdoor air +35°C/ 7°C |
| | | | | | 4.3 kW | 2-8 kW |
| Energy efficiency class (35°/55°) |
| | | | | | A+++ | A+++/A++ |
| Maximum heating water temperature |
| | | | | | 60 °C | 75 °C |
| Indoor unit weight |
| | 177 kg | 13.5 kg | 148 kg | | 128 kg | 21 kg |
| Indoor unit dimensions (width x height x depth) |
| | 598 x 1863 x 703 mm | 295x990x263 mm | 598x1450x703 mm | | 595x1850x625 mm | |
| Indoor unit noise level |
| | 30-43 dB(A) | 33/36/45 dB(A) | 42 dB(A) | | 28 dB(A) | |
| Outdoor unit weight |
| | | 50 kg | | | 58.5 kg | 98 kg |
| Outdoor unit dimensions (width x height x depth) |
| | | 734x870x373 mm | | | 884x740x388 mm | 998 x 850 x 500 mm |
| Outdoor noise level |
| | | 49 dB(A) | | | 44 dB(A) | 48 dB(A) |