Heat pumps · MT

HOTJET CZ7 WX (Wasser / Wasser)

The HOTJET CZ 7 WX (Wasser / Wasser) is a heat pump with SCOP (35 °C) 7.23 and refrigerant R454B.1

Last updated: Technical specifications ⇄ Compare this model

Key figures

SCOP (35 °C)
7.231

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
7.47kW1
Official source
Rated output 55 °C
7.42kW1
Official source

Technical specifications

General
Type (source) Water-to-water1
Compressors 11
Capacity control drehzahlregelung1
Performance
Rated output 35 °C 7.47 kW1
Rated output 55 °C 7.42 kW1
Efficiency
SCOP (35 °C) 7.231
SCOP (55 °C) 5.341
Seasonal efficiency ηs 35 °C 281.2 %1
Seasonal efficiency ηs 55 °C 205.6 %1
Noise
Indoor unit sound power 38 dB(A)1
Refrigerant
Refrigerant R454B1
Refrigerant charge 1 kg1
Electrical
Max. power input 3.6 kW1
Connectivity & smart
SG Ready Yes1

Frequently asked questions

What is the SCOP (35 °C) of the HOTJET CZ 7 WX (Wasser / Wasser)?

The SCOP (35 °C) of the HOTJET CZ 7 WX (Wasser / Wasser) is 7.23.1

Which refrigerant does the HOTJET CZ 7 WX (Wasser / Wasser) use?

The refrigerant of the HOTJET CZ 7 WX (Wasser / Wasser) is R454B.1

Sources

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