Daikin Altherma 3 R W (EHBX08E6V/E9W + ERGA08EVH)
Specifications and technical data
Air Source (ASHP)ResidentialR327.8 kW
| Manufacturer | Daikin |
|---|---|
| Model | Altherma 3 R W |
| Model code | EHBX08E6V/E9W + ERGA08EVH |
| Heat pump type | Air Source (ASHP) All Air Source heat pumps → |
| Application | Residential All Residential heat pumps → |
| Refrigerant | R32 All R32 heat pumps → |
| Mode | Heating & cooling |
| Heating capacity | 7.8 kW |
| Max heating output (low temp) | 7.8 kW at A7/W45 |
| COP (heating) | 4.6 at A7/W35 |
| SCOP (heating) | 4.61 at W35 |
| Operating range (air) | -25 to 35 °C |
| Heating flow temperature | 15–65 °C |
| Electrical supply | 220-240V (Single Phase) |
| Cooling capacity | 6.25 kW |
| Max cooling output (high temp) | 5.44 kW at A35/W7 |
| Cooling flow temperature | 5–22 °C |
| EER (cooling) | 3.14 at A35/W18 |
| Dimensions (H×W×D) | 740 × 884 × 388 mm |
| Operational Weight | 58.5 kg |
| Sound power level | 62 dB(A) (Sound Power LW(A)) |
| Data added | 2026-07-07T00:00:00 |
| Data source | Manufacturer Data Sheet |
| Verification | Verified by a human |
| MCS certification | ✓ MCS listed |
| MCS certificate no. | ERGA08EAV3H7 / EHBX08EF6V |
| MCS listing | View on MCS ↗ |
Check noise at a neighbour’s window (MCS 020 a) →
Daikin Altherma 3 R W EHBX08E6V/E9W with ERGA08EVH outdoor unit, R32, 7.5kW nominal heating / 6.25kW cooling. Wall-mounted, reversible, no integrated tank; combine with separate stainless tank or ECH2O thermal store.
Where to buy (UK)
| UK Supplier | The Heat Pump Warehouse |
|---|---|
| UK Supplier | Space Air |
| UK Supplier | City Plumbing |
| UK Supplier | The Underfloor Heating Store |
✎ 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
- Manufacturer Daikin Altherma 3 R MT W — Daikin
- Manufacturer Daikin Altherma 3 R — Daikin
- Review Daikin Altherma 3 Air Source Heat Pump Review — Federation of Master BuildersCovers the Altherma 3 range generally, including the R W variant.
- Review Daikin Altherma 3 Review 2026: Best UK Variant? — Heat Pump HQ
- Review Daikin Altherma 3 Review: Is It the Right Heat Pump for Your Home? — Home Energy Quotes
- Review Daikin Heat Pump Review UK: Altherma Range, COP, Price, Pros and Cons — Home Heat Pump Guide
- Real-world data Real-world performance: Daikin Altherma 3 8kW — HeatpumpMonitor.org29 monitored systems listed (Sept 2026)
►Daikin Altherma 3 R - The Power PactDaikinEurope
►Daikin Altherma 3 working principleDaikinEurope
►Daikin Altherma MMI Controller - Complete User GuideCB Heating
►Daikin Altherma 3 Heat Pump and Home AssistantSpeak to the Geek
►Onecta Install and setup - Daikin Altherma 3 #daikin #altherma #onectai85: Heat Pumps & ControAlternatives to consider
Three Air Source (ASHP) heat pumps from other manufacturers closest in capacity to this one.
Split Aqua
Haier · AU082FYCRA(HW)
- Capacity
- 7.8 kW
- SCOP
- 4.47 (W35)
- Sound power
- 64 dB(A)
- Refrigerant
- R32
- Price
- ~£1,643.37
WPL ACS classic
Stiebel Eltron · WPL 17 ACS classic
- Capacity
- 7.8 kW
- SCOP
- 4.61 (W35)
- Sound power
- 57 dB(A)
- Refrigerant
- R410A
Compress 5800i AW
Bosch · CS5800iAW 7 OR-S
- Capacity
- 7.97 kW
- SCOP
- 4.58 (W35)
- Sound power
- 42 dB(A)
- Refrigerant
- R290
More from Daikin
Altherma 3 H HT
ASHP · 10.17 kW · SCOP 4.51 · BUS eligible
Altherma 3 H HT
ASHP · 11.57 kW · SCOP 4.51 · BUS eligible
Altherma 3 H HT
ASHP · 12.11 kW · SCOP 4.51 · BUS eligible
Altherma 3 H HT
ASHP · 10.17 kW · SCOP 4.57 · BUS eligible
Altherma 3 H HT
ASHP · 11.57 kW · SCOP 4.57 · BUS eligible
Altherma 3 H HT
ASHP · 12.11 kW · SCOP 4.57 · BUS eligible
Altherma 3 H HT
ASHP · 10.17 kW · SCOP 4.51 · BUS eligible
Altherma 3 H HT
ASHP · 11.57 kW · SCOP 4.51 · BUS eligible
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 Daikin name and logo are trademarks of their respective owner and are used here for identification purposes only.