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RatiothermWP Max-Cube pF26

The Ratiotherm WP Max-Cube pF26 is a heat pump with SCOP (35 °C) 4.72 and refrigerant R290.1

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SCOP (35 °C)
4.721

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

Refrigerant
R2901
Official source
Type (source)
Ground source1
Official source
Rated output 35 °C
28kW1
Official source
Rated output 55 °C
27kW1
Official source

Technical specifications

General
Type (source) Ground source1
Compressors 11
Capacity control Inverter1
Performance
Rated output 35 °C 28 kW1
Rated output 55 °C 27 kW1
Efficiency
SCOP (35 °C) 4.721
SCOP (55 °C) 3.731
Seasonal efficiency ηs 35 °C 181 %1
Seasonal efficiency ηs 55 °C 141.1 %1
Noise
Indoor unit sound power 49 dB(A)1
Refrigerant
Refrigerant R2901
Refrigerant charge 1.4 kg1
Electrical
Max. power input 10.1 kW1
Connectivity & smart
SG Ready Yes1

Frequently asked questions

What is the SCOP (35 °C) of the Ratiotherm WP Max-Cube pF26?

The SCOP (35 °C) of the Ratiotherm WP Max-Cube pF26 is 4.72.1

Which refrigerant does the Ratiotherm WP Max-Cube pF26 use?

The refrigerant of the Ratiotherm WP Max-Cube pF26 is R290.1

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026