Stiebel Eltron WPE-I 12.1 Plus H 230V
Specifications and technical data
Also known as: WPE-I 12.1 Plus H 230, WPE-I 12.1 Plus H(W)
✓ BUS eligibleGround Source (GSHP)ResidentialR2902.7–11.6 kW
| Manufacturer | Stiebel Eltron |
|---|---|
| Model | WPE-I 12.1 Plus H 230V |
| Model code | 207184 |
| Heat pump type | Ground Source (GSHP) All Ground Source heat pumps → |
| Application | Residential All Residential heat pumps → |
| Refrigerant | R290 All R290 heat pumps → |
| Mode | Heating only |
| Heating capacity | 2.7–11.6 kW |
| Max heating output (low temp) | 11.6 kW at B0/W35 |
| COP (heating) | 4.87 at B0/W35 |
| SCOP (heating) | 5.4 at W35 |
| Heating flow temperature | up to 65 °C |
| Electrical supply | 220-240V (Single Phase) |
| Dimensions (H×W×D) | 1450 × 600 × 700 mm |
| Operational Weight | 132 kg |
| Sound power level | 40 dB(A) (Sound Power LW(A)) |
| Data added | 2026-07-01 |
| Data source | Manufacturer Data Sheet |
| 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. | 012-C700370 |
| MCS certification | ✓ MCS listed |
| MCS certificate no. | 012-C700370 |
| MCS listing | View on MCS ↗ |
Stiebel Eltron WPE-I 12.1 Plus H 230V is a 11.6 kW ground source heat pump, using R290 refrigerant.
Where to buy (UK)
| UK Supplier | Midsummer Wholesale |
|---|---|
| UK Supplier | Heat Pump Central |
✎ 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 WPE-I 15 HK 230 Premium ground source heat pump — Stiebel Eltron
- Manufacturer WPE-I 87 H 400 Premium ground source heat pump — Stiebel Eltron
►NEW for 2021: WPE-I Premium.STIEBEL ELTRON Australia
►STIEBEL ELTRON / Ground source heat pumps / WPE-I PremiumSTIEBEL ELTRON Schweiz
►Is Stiebel Eltron the Premium Heat Pump UK Homeowners Have Been Missing?Renewable Heating HubAlternatives to consider
Three Ground Source (GSHP) heat pumps from other manufacturers closest in capacity to this one.
F1145
Nibe · F1145-12
- Capacity
- 11.48 kW
- SCOP
- 4.8 (W35)
- Sound power
- 43 dB(A)
- Refrigerant
- R407C
Vitocal 300-G BWC
Viessmann · Vitocal 300-G BWC 301.C12
- Capacity
- 2.4–11.4 kW
- SCOP
- 5.32 (W55)
- Sound power
- 40 dB(A)
- Refrigerant
- R410A
flexoTHERM
Vaillant · flexoTHERM 11 400V
- Capacity
- 11.27 kW
- SCOP
- 5.3 (W35)
- Sound power
- 48.5 dB(A)
- Refrigerant
- R410A
- Price
- £4,445.53–£7,026.19
More from Stiebel Eltron
HPA-O 05.2 Trend HC 230V
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HPA-O 10.2 Trend HC 230V
ASHP · 9.49 kW · SCOP 4.59 · BUS eligible
HPA-O 13.2 Trend HC 230V
ASHP · 12.47 kW · SCOP 4.65 · BUS eligible
HPA-O 13.2 Trend HC 400V
ASHP · 12.47 kW · SCOP 4.65 · BUS eligible
HPA-O 17.2 Trend HC 400V
ASHP · 17.36 kW · SCOP 4.55 · BUS eligible
HPA-O 07.2 Plus HC 230V
ASHP · 7.09 kW · SCOP 5.09 · BUS eligible
HPA-O 10.2 Plus HC 230V
ASHP · 10.07 kW · SCOP 4.96 · BUS eligible
Other Ground Source (GSHP) heat pumps
WZSV
GSHP · 0.77–6 kW
WZSV
GSHP · 3.32 kW · BUS eligible
WZSV
GSHP · 4 kW · BUS eligible
WZSV
GSHP · 5.06 kW · BUS eligible
WZS
GSHP · 4.7 kW · BUS eligible
WZS
GSHP · 7.7 kW
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The Stiebel Eltron name and logo are trademarks of their respective owner and are used here for identification purposes only.