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STIEBEL ELTRONWPL 17 IKCS classic

STIEBEL ELTRON WPL 17 IKCS classic
Image: STIEBEL ELTRONrequest removal

The STIEBEL ELTRON WPL 17 IKCS classic is an air-to-water heat pump with a SCOP of 4.11 (35 °C) and a sound power level of 44 dB(A).1,2

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SCOP (35 °C)
4.111

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

Heating capacity (A7/W35)
4.22kW2
Official source
Outdoor unit sound power
44dB(A)1
Official source
Refrigerant
R410A1
Official source
Type (source)
Air-to-water1
Official source

Technical specifications

General
Type (source) Air-to-water1
Compressors 11
Capacity control drehzahlregelung1
Performance
Heating capacity (A7/W35) 4.22 kW2
Rated output 35 °C 9.2 kW1
Rated output 55 °C 7.1 kW1
Min. outdoor temperature -20 °C2
Efficiency
SCOP (35 °C) 4.111
SCOP (55 °C) 3.231
Seasonal efficiency ηs 35 °C 161 %1
Seasonal efficiency ηs 55 °C 126 %1
Energy label 35 °C A, , 2
Energy label 55 °C A, , 2
COP A7/W35 4.61
COP A2/W35 3.71
COP A-7/W35 2.581
Noise
Outdoor unit sound power 44 dB(A)1
Indoor unit sound power 44 dB(A)1
Refrigerant
Refrigerant R410A1
Refrigerant GWP 2,0882
Refrigerant charge 2.6 kg1
Electrical
Max. power input 11.3 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.

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Frequently asked questions

Which refrigerant does the STIEBEL ELTRON WPL 17 IKCS classic use?

The STIEBEL ELTRON WPL 17 IKCS classic uses R410A.1,2

Sources

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