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HOTJET CZ15 WX (Wasser / Wasser)

The HOTJET CZ 15 WX (Wasser / Wasser) is a heat pump with SCOP (35 °C) 7.16 and refrigerant R454B.1

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SCOP (35 °C)
7.161

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

Refrigerant
R454B1
Official source
Type (source)
Water-to-water1
Official source
Rated output 35 °C
15.77kW1
Official source
Rated output 55 °C
15.65kW1
Official source

Technical specifications

General
Type (source) Water-to-water1
Compressors 11
Capacity control drehzahlregelung1
Performance
Rated output 35 °C 15.77 kW1
Rated output 55 °C 15.65 kW1
Efficiency
SCOP (35 °C) 7.161
SCOP (55 °C) 5.261
Seasonal efficiency ηs 35 °C 278.5 %1
Seasonal efficiency ηs 55 °C 202.4 %1
Noise
Indoor unit sound power 39 dB(A)1
Refrigerant
Refrigerant R454B1
Refrigerant charge 1.5 kg1
Electrical
Max. power input 8.1 kW1
Connectivity & smart
SG Ready Yes1

Frequently asked questions

What is the SCOP (35 °C) of the HOTJET CZ 15 WX (Wasser / Wasser)?

The SCOP (35 °C) of the HOTJET CZ 15 WX (Wasser / Wasser) is 7.16.1

Which refrigerant does the HOTJET CZ 15 WX (Wasser / Wasser) use?

The refrigerant of the HOTJET CZ 15 WX (Wasser / Wasser) is R454B.1

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 29 Sept 2026