Daikin Altherma 3 H HT (EPRA12EAV3)
Specifications and technical data
Also known as: EPRA12EV3
| Manufacturer | Daikin |
|---|---|
| Model | Altherma 3 H HT |
| Model code | EPRA12EAV3 |
| 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 | 3.44–9.97 kW |
| Max heating output (low temp) | 9.97 kW at A7/W35 |
| COP (heating) | 4.92 at A7/W35 |
| SCOP (heating) | 4.71 at W35 |
| Operating range (air) | from -28 °C |
| Heating flow temperature | up to 65 °C |
| Electrical supply | 220-240V (Single Phase) |
| Dimensions (H×W×D) | 1003 × 1270 × 533 mm |
| Operational Weight | 118 kg |
| Sound power level | 54 dB(A) (Sound Power LW(A)) |
| Data added | 2026-09-13 |
| Data source | Manufacturer specification table (Daikin UK) |
| Verification | Verified by a human |
Check noise at a neighbour’s window (MCS 020 a) →
Daikin Altherma 3 H HT EPRA12EAV3: 9.97 kW, R32, single-phase supply. Split-system outdoor unit for the Daikin Altherma 3 H HT, high temperature range, capacity class 12 kW. Pairs with a separate indoor hydrobox or integrated cylinder unit, which is where the rated output and efficiency are declared. R-32 refrigerant, 3.25 kg factory charge. Leaving water up to 70 °C for the 14-18 kW sizes and 65 °C for 8-12 kW, down to -7 °C ambient.
Where to buy (UK)
| UK Supplier | The Heat Pump Warehouse |
|---|---|
| UK Supplier | Space Air |
| UK Supplier | City Plumbing |
| UK Supplier | The Underfloor Heating Store |
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Reviews & further reading
- Manufacturer Daikin Altherma 3 H HT F — Daikin
- Review Daikin Altherma 3 Air Source Heat Pump Review — Federation of Master BuildersCovers the Altherma 3 range generally, including the H HT variant.
- Review Daikin Altherma 3 Heat Pump Range — Heat Pump HQ
- Review Daikin Altherma 3 Review: Is It the Right Heat Pump for Your Home? — Home Energy QuotesCovers the wider Daikin range
- Review Daikin Heat Pump Review UK: Altherma Range, COP, Price, Pros and Cons — Home Heat Pump GuideCovers the wider Daikin range
►Daikin Altherma 3 H HT: The quintessence of a heat pump (short version)DaikinEurope
►Daikin Altherma 3 H MT & HT – Timeless designDaikinEuropeAlternatives to consider
Three Air Source (ASHP) heat pumps from other manufacturers closest in capacity to this one.
- Capacity
- 10 kW
- SCOP
- 4.8 (W35)
- Sound power
- 61 dB(A)
- Refrigerant
- R32
- Price
- ~£2,136.65
- Capacity
- 10 kW
- SCOP
- 5.1 (W35)
- Sound power
- 60 dB(A)
- Refrigerant
- R290
- Capacity
- 3.8–10 kW
- SCOP
- 5.19 (W35)
- Sound power
- 60 dB(A)
- Refrigerant
- R32
- Price
- £2,533.62–£3,749.99
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