
Air-to-water heat pumps
DanVex AW-20M3
Air-to-water heat pump · 20 kW · three-phase
- Heating20 kW
- Temperature−25 … +43 °C
Air-to-water heat pumps for detached-home and villa heating, cooling and domestic hot water, and for replacing gas or oil boilers — efficient year-round comfort from a single outdoor unit.
A monoblock design keeps all refrigerant sealed in the outdoor unit, with Full Inverter operation, Blue Fin coating and R-32, delivering heating + DHW or cooling + DHW simultaneously.
Applications
- Detached homes & villas
- Commercial & office
- Hospitality
- Boiler replacement
- Underfloor heating
- DHW production
Key features
- Full Inverter systeminverter compressor + EC fan + EEV; continuous modulation, COP up to ~4.3 at A7/W35
- Monoblock outdoor unitall refrigerant sealed in the outdoor unit; indoor connection is plumbing + power only
- 5 working modes + DHW to 60 °CHeating / Cooling / DHW / Heating+DHW / Cooling+DHW
- −25 °C operationcold-climate rated heating with auto-engaging backup electric heater (3–6 kW)
- Blue Fin coating, R-32anti-corrosion heat exchanger; low-GWP R-32 refrigerant, 4-way + 3-way DHW valves
- Wi-Fi + Modbus RTU RS-485app control and BMS integration; KNX via Modbus gateway
Specifications
| Heating capacity range | 9.0–26 kW |
|---|---|
| Heating A7/W35 (Cap · Power · COP) | 20.05 kW · 4.58 kW · 4.36 |
| Heating A2/W35 (Cap · Power · COP) | 17.60 kW · 4.49 kW · 3.92 |
| Heating A−7/W35 (Cap · Power · COP) | 14.50 kW · 4.51 kW · 3.22 |
| Heating A7/W55 (Cap · Power · COP) | 19.66 kW · 7.10 kW · 2.77 |
| Cooling A35/W7 (Cap · Power · EER) | 16.80 kW · 5.56 kW · 3.02 |
| ErP class (W35 / W55) | A+++ / A++ |
| DHW max / rated | 60 °C / 55 °C |
| Outdoor temperature | −25 … +43 °C |
| Power supply | 380–415 V 3-Ph |
| Compressor | Full Inverter, R-32 |
| Water flow rate | 3.4 m³/h |
| Water-side pressure drop | 31 kPa |
| Backup electric heater | 6 kW |
| Connectivity | Wi-Fi + Modbus RTU RS-485 |
| Sound pressure at 1 m | 58 dB(A) |
| Dimensions (L×W×H) | 1365×565×1415 mm |
| Package size (L×W×H) | 1405 × 575 × 1555 mm |
| Net weight | 170 kg |
| Gross weight | 210 kg |
| Hydraulic components | 4-way valve · flow switch · built-in energy class A circulation pump · electronic expansion valve |
| Working modes | Heating / Cooling / Hot water / Heating + Hot water / Cooling + Hot water |
Heating and cooling performance at the test conditions indicated (outdoor air temperature / water outlet temperature).
Similar models

Air-to-water heat pump
DanVex AW-15M3
- Heating15 kW
- Temperature−25 … +43 °C

Air-to-water heat pump
DanVex AW-15M1
- Heating15 kW
- Temperature−25 … +43 °C

Air-to-water heat pump
DanVex AW-25M3
- Heating25 kW
- Temperature−25 … +43 °C

Air-to-water heat pump
DanVex AW-9M1
- Heating9 kW
- Temperature−25 … +43 °C
Need help choosing a system?
Send us the area, purpose and conditions of your site — our engineers will choose the equipment and prepare a quote.
