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STIEBEL ELTRON WPE-I 15 H 230 Premium

The STIEBEL ELTRON WPE-I 15 H 230 Premium is a heat pump with SCOP (35 °C) 5.33 and refrigerant R454C.1,2

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SCOP (35 °C)
5.332

Seasonal efficiency: how much heat you get per kWh of electricity across a heating season.

Refrigerant
R454C1
Official source
Type (source)
Ground source1
Official source
Rated output 35 °C
15kW2
Official source
Rated output 55 °C
14kW2
Official source

Technical specifications

General
Type (source)Ground source1
Compressors11
Capacity controldrehzahlregelung1
Performance
Rated output 35 °C15 kW2
Rated output 55 °C14 kW2
Efficiency
SCOP (35 °C)5.332
SCOP (55 °C)4.282
Seasonal efficiency ηs 35 °C210 %2
Seasonal efficiency ηs 55 °C168 %2
Energy label 35 °CA+++2
Energy label 55 °CA+++2
Noise
Indoor unit sound power39 dB(A)2
Refrigerant
RefrigerantR454C1
Refrigerant charge3.1 kg1
Electrical
Max. power input5.63 kW1
Connectivity & smart
SG ReadyYes1

How it ranks

SCOP (35 °C): better than 67% of comparable models in our database (Heat pumps · Ground source · ≥ 14 kW; n = 123).

Rank 37 of 124

Compared with every model on VersusIndex in the same group with a known value; equal values do not count as better. This says nothing about price, installation or reliability.

Variants

This model is registered in 2 combinations (for example with a different indoor unit or cylinder) with exactly the same performance. All figures on this page apply to each of these types. The part of the type number that differs is in bold; small differences (e.g. cylinder volume or anode) are listed after it:

  • WPE-I 15 H 230 Premium
  • WPE-I 15 HK 230 Premium

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Other brands, same type and a comparable size.

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Frequently asked questions

What is the SCOP (35 °C) of the STIEBEL ELTRON WPE-I 15 H 230 Premium?

The SCOP (35 °C) of the STIEBEL ELTRON WPE-I 15 H 230 Premium is 5.33.1,2

Which refrigerant does the STIEBEL ELTRON WPE-I 15 H 230 Premium use?

The refrigerant of the STIEBEL ELTRON WPE-I 15 H 230 Premium is R454C.1,2

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed Oct 18, 2026
  2. European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed Oct 15, 2026