Heat pumps · MT

STIEBEL ELTRONWPE-I 13 H 400 Plus

STIEBEL ELTRON WPE-I 13 H 400 Plus
Image: STIEBEL ELTRONrequest removal

The STIEBEL ELTRON WPE-I 13 H 400 Plus is a heat pump with SCOP (35 °C) 4.94 and refrigerant R452B.1,2

Last updated: Technical specifications ⇄ Compare this model

Key figures

SCOP (35 °C)
4.941

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
13.51kW1
Official source
Rated output 55 °C
14.79kW1
Official source

Technical specifications

General
Type (source) Ground source1
Compressors 11
Capacity control keine1
Performance
Rated output 35 °C 13.51 kW1
Rated output 55 °C 14.79 kW1
Efficiency
SCOP (35 °C) 4.941
SCOP (55 °C) 3.751
Seasonal efficiency ηs 35 °C 190 %1
Seasonal efficiency ηs 55 °C 142 %1
Energy label 35 °C A, , , 2
Energy label 55 °C A, , , 2
Noise
Indoor unit sound power 46 dB(A)1
Refrigerant
Refrigerant R452B1
Refrigerant GWP 6982
Refrigerant charge 1 kg1
Electrical
Max. power input 5.1 kW1
Connectivity & smart
SG Ready Yes1

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 13 H 400 Plus?

The SCOP (35 °C) of the STIEBEL ELTRON WPE-I 13 H 400 Plus is 4.94.1,2

Which refrigerant does the STIEBEL ELTRON WPE-I 13 H 400 Plus use?

The refrigerant of the STIEBEL ELTRON WPE-I 13 H 400 Plus is R452B.1,2

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026
  2. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026