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STIEBEL ELTRONWPE-I 05 H 400 Plus

STIEBEL ELTRON WPE-I 05 H 400 Plus
Image: STIEBEL ELTRONrequest removal

The STIEBEL ELTRON WPE-I 05 H 400 Plus is a heat pump with SCOP (35 °C) 6.12 and refrigerant R452B.1

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SCOP (35 °C)
6.121

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

Refrigerant
R452B1
Official source
Type (source)
Ground source1
Official source
Rated output 35 °C
7.85kW1
Official source
Rated output 55 °C
8.07kW1
Official source

Technical specifications

General
Type (source) Ground source1
Performance
Rated output 35 °C 7.85 kW1
Rated output 55 °C 8.07 kW1
Efficiency
SCOP (35 °C) 6.121
SCOP (55 °C) 4.581
Seasonal efficiency ηs 35 °C 237 %1
Seasonal efficiency ηs 55 °C 175 %1
Energy label 35 °C A, , , 1
Energy label 55 °C A, , , 1
Noise
Indoor unit sound power 42 dB(A)1
Refrigerant
Refrigerant R452B1
Refrigerant GWP 6981
Refrigerant charge 0.58 kg1

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 05 H 400 Plus
  • WPE-I 05 HW 400 Plus — Indoor unit sound power: 40 dB(A)

Manufacturer documentation

External links to STIEBEL ELTRON's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.

Frequently asked questions

What is the SCOP (35 °C) of the STIEBEL ELTRON WPE-I 05 H 400 Plus?

The SCOP (35 °C) of the STIEBEL ELTRON WPE-I 05 H 400 Plus is 6.12.1

Which refrigerant does the STIEBEL ELTRON WPE-I 05 H 400 Plus use?

The refrigerant of the STIEBEL ELTRON WPE-I 05 H 400 Plus is R452B.1

Sources

  1. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026