Daikin Altherma 3 M (EDLA14DA3W1)
Specifications and technical data
✓ BUS eligibleAir Source (ASHP)ResidentialR3212.5 kW
| Manufacturer | Daikin |
|---|---|
| Model | Altherma 3 M |
| Model code | EDLA14DA3W1 |
| 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 only |
| Heating capacity | 12.5 kW |
| Max heating output (low temp) | 12.5 kW at A7/W45 |
| COP (heating) | 4.87 at A7/W35 |
| SCOP (heating) | 4.62 at W35 |
| Heating flow temperature | 15–60 °C |
| Electrical supply | 380-415V (Three Phase) |
| Dimensions (H×W×D) | 870 × 1380 × 460 mm |
| Operational Weight | 149 kg |
| Sound power level | 62 dB(A) (Sound Power LW(A)) |
| Price (unit only) | £5,865.60–£6,232.80 (checked 2026-09-30) |
| Data added | 2026-09-13 |
| Data source | Manufacturer specification table (Daikin UK), cross-checked against data book EEDEN20 |
| Verification | Verified by a human |
| Boiler Upgrade Scheme | ✓ BUS eligible — Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026). Grant also needs an MCS-certified installer and a qualifying system design. Funding guide |
| PEL certificate no. | 011-1W0425_08 |
Check noise at a neighbour’s window (MCS 020 a) →
Daikin Altherma 3 M EDLA14DA3W1: 12.5 kW, R32, three-phase supply. Monobloc air-to-water heat pump. Outdoor unit only; no indoor unit required. Heating only. Backup heater step 1 at 3 kW. Leaving water temperature up to 60 °C.
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 M — Daikin
- Manufacturer Daikin Altherma 3 H MT F — Daikin
- Review Daikin Altherma 3 Review: Is It the Right Heat Pump for Your Home? — Green Reach EnergyCovers the Altherma 3 range generally, including the monobloc (M) 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 Quotes
- Review Daikin Heat Pump Review UK: Altherma Range, COP, Price, Pros and Cons — Home Heat Pump Guide
►NEW Daikin Altherma 3 M R32 Monobloc InstallationYouTube
►Daikin Altherma 3 M R32 MonoblocDaikin Ireland
►Daikin Altherma 3 EPRA + ETVH/X - Connecting water pipingDaikinEurope
►Daikin Altherma MMI Controller - Complete User GuideCB Heating
►Choosing The Perfect Heat Pump: Octopus Cosy 6 Vs Daikin AlthermaJonathan Tracey
►Daikin Altherma 3M / Heat Pump with a redesigned casingInstarom Instalaţii RomâAlternatives to consider
Three Air Source (ASHP) heat pumps from other manufacturers closest in capacity to this one.
Aerona 290
Grant · HPR29012
- Capacity
- 3.2–12.21 kW
- SCOP
- 4.74 (W35)
- Sound power
- 52 dB(A)
- Refrigerant
- R290
- Price
- £3,260–£6,012.89
12kW
Aira · HPO-AW-12-230V-1.0
- Capacity
- 12.8 kW
- SCOP
- 4.7 (W35)
- Sound power
- 57 dB(A)
- Refrigerant
- R292
flexoTHERM exclusive
Vaillant · VWF 117/4 + VWA 11/4 SA
- Capacity
- 12.14 kW
- SCOP
- 4.1 (W35)
- Sound power
- 44.4 dB(A)
- Refrigerant
- R410A
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