Stiebel Eltron WPE-I HK Premium (14.8 kW)

Specifications and technical data

Ground Source (GSHP)ResidentialR454C14.8 kW

Manufacturer	Stiebel Eltron
Model	WPE-I HK Premium
Model code	WPE-I 15 HK 230 Premium
Heat pump type	Ground Source (GSHP) All Ground Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R454C All R454C heat pumps →
Mode	Heating & cooling
Heating capacity	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	47 dB(A) (Sound Power LW(A))
Data added	2026-09-14
Data source	Manufacturer documentation (Stiebel Eltron)
Verification	Verified by a human

Free data sheet (PDF) →

Stiebel Eltron WPE-I 15 HK 230 Premium ground source heat pump, part number 238617. C174 inverter technology, R454C refrigerant, 230 V single-phase compressor. Modulates between 2.1 and 14.8 kW at B0/W35. Flow temperature up to 75 °C. Energy efficiency class A+++ at both W35 and W55, and A+++ as a composite system. The HK designation denotes the cooling function.

Where to buy (UK)

UK Supplier	Midsummer Wholesale
UK Supplier	Heat Pump Central

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Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.