AXEN R290 Hydro Split Set (4 kW)
Specifications and technical data
Also known as: KFS-B/EL200-C
Air Source (ASHP)ResidentialR2904 kW
| Manufacturer | AXEN |
|---|---|
| Model | R290 Hydro Split Set |
| Model code | KFS-40W/N7BP |
| Heat pump type | Air Source (ASHP) All Air Source heat pumps → |
| Application | Residential All Residential heat pumps → |
| Refrigerant | R290 All R290 heat pumps → |
| Mode | Heating & cooling |
| Heating capacity | 4 kW |
| Max heating output (low temp) | 4 kW at A7/W55 |
| SCOP (heating) | 5.25 at W35 |
| Heating flow temperature | up to 75 °C |
| Electrical supply | 220-240V (Single Phase) |
| Cooling capacity | 3.9 kW |
| Max cooling output (high temp) | 3.9 kW at A35/W7 |
| Cooling flow temperature | 7–18 °C |
| Data added | 2026-08-30 |
| Data source | Manufacturer website |
| Verification | Verified by a human |
AXEN KFS-40W/N7BP air-to-water split heat pump, R290, paired with the KFS-B/EL200-C indoor unit. 4.0 kW heating at A7/W35 with an SCOP of 5.25 at W35. Single-phase. ErP class A+++ at both W35 and W55.
✎ Suggest a correction to this data
Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.
Reviews & further reading
►AXEN's All-in-One Heat Pump at Maximum Production!AXEN
►An Insightful Talk by AXEN at Heat Pump Technologies 2025!AXENAlternatives to consider
Three Air Source (ASHP) heat pumps from other manufacturers closest in capacity to this one.
Vitocal 150
Viessmann · Vitocal 150-A04
- Capacity
- 2.1–4 kW
- SCOP
- 5 (W35)
- Sound power
- 51 dB(A)
- Refrigerant
- R290
- Price
- £4,349.30–£5,230
Hydro Split R290
Haier · AW042HUGHA
- Capacity
- 4 kW
- SCOP
- 5.1 (W35)
- Sound power
- 55 dB(A)
- Refrigerant
- R290
Aurora II Core 4kW
Adlar · Aurora II Core 4kW
- Capacity
- 4 kW
- SCOP
- 4.96 (W35)
- Refrigerant
- R32
More from AXEN
Model A Monobloc
ASHP · 4.2 kW · BUS eligible
Model A Monobloc
ASHP · 6.1 kW · BUS eligible
Model A Monobloc
ASHP · 7.9 kW · BUS eligible
Model A Monobloc
ASHP · 10.2 kW · BUS eligible
Model A Monobloc
ASHP · 12.3 kW · BUS eligible
Model A Monobloc
ASHP · 14.5 kW · BUS eligible
Model A Monobloc
ASHP · 15.9 kW · BUS eligible
Model A Monobloc
ASHP · 10.21 kW
Other Air Source (ASHP) heat pumps
H-600 CO₂
ASHP · 300–600 kW
H-1200 CO₂
ASHP · 600–1200 kW
H-1800 CO₂
ASHP · 900–1800 kW
H-2600 CO₂
ASHP · 1500–3000 kW
NX-Q-G06
ASHP · 157.5 kW
NX-Q-G06
ASHP · 174.6 kW
Compare with other products
Open the interactive database →
The AXEN name and logo are trademarks of their respective owner and are used here for identification purposes only.