Stiebel Eltron WPE-I 15 HK Premium 230V

Specifications and technical data

Ground Source (GSHP)ResidentialR454C2.1–14.8 kW

Manufacturer	Stiebel Eltron
Model	WPE-I 15 HK Premium 230V
Model code	238617
Heat pump type	Ground Source (GSHP)
Application	Residential
Refrigerant	R454C
Mode	Heating only
Heating capacity	2.1–14.8 kW
Max heating output (low temp)	14.8 kW at B0/W35
COP (heating)	4.86 at B0/W35
SCOP (heating)	5.44 at W35
Heating flow temperature	up to 75 °C
Electrical supply	220-240V (Single Phase)
Dimensions (H×W×D)	1404 × 598 × 658 mm
Operational Weight	190 kg
Sound power level	39 dB(A) (Sound Power LW(A))
Data added	2026-07-01
Data source	Manufacturer Data Sheet
MCS certification	✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS certificate no.	011-1W0395_03
MCS listing	View on MCS ↗

View manufacturer page →

Stiebel Eltron WPE-I 15 HK Premium 230V is a 14.8 kW ground source heat pump, providing heating and cooling, using R454C refrigerant.

Where to buy (UK)

UK Supplier	Midsummer Wholesale
UK Supplier	Heat Pump Central

✓ Manually verified by Heat Pump Database

✎ 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.