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HeatPump23 HeatPump Plug and Play S

The HeatPump23 HeatPump Plug and Play S is an air-to-water heat pump with a SCOP of 4.48 (35 °C) and a sound power level of 55 dB(A).1,2

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SCOP (35 °C)
4.482

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

Outdoor unit sound power
55dB(A)2
Official source
Refrigerant
R321
Official source
Type (source)
Air-to-water1
Official source
Rated output 35 °C
3kW2
Official source

Technical specifications

General
Type (source)Air-to-water1
Compressors11
Capacity controlInverter1
Performance
Rated output 35 °C3 kW2
Rated output 55 °C3 kW2
Efficiency
SCOP (35 °C)4.482
SCOP (55 °C)3.232
Seasonal efficiency ηs 35 °C176 %2
Seasonal efficiency ηs 55 °C126 %2
Energy label 35 °CA+++2
Energy label 55 °CA++2
COP A7/W354.51
COP A2/W354.441
COP A-7/W352.951
Noise
Outdoor unit sound power55 dB(A)2
Refrigerant
RefrigerantR321
Refrigerant charge1 kg1
Electrical
Max. power input2 kW1
Connectivity & smart
SG ReadyYes1

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Frequently asked questions

Which refrigerant does the HeatPump23 HeatPump Plug and Play S use?

The HeatPump23 HeatPump Plug and Play S uses R32.1,2

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed Sep 27, 2026
  2. European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed Oct 15, 2026