Heat pumps · MT

ThermiaCalibra RXT 12 230V

Thermia Calibra RXT 12 230V
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The Thermia Calibra RXT 12 230V is a heat pump with SCOP (35 °C) 6.88 and refrigerant R290.1

Last updated: Technical specifications ⇄ Compare this model

Key figures

SCOP (35 °C)
6.881

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
13.85kW1
Official source
Rated output 55 °C
13.46kW1
Official source

Technical specifications

General
Type (source) Ground source1
Performance
Rated output 35 °C 13.85 kW1
Rated output 55 °C 13.46 kW1
Efficiency
SCOP (35 °C) 6.881
SCOP (55 °C) 5.421
Seasonal efficiency ηs 35 °C 267 %1
Seasonal efficiency ηs 55 °C 209 %1
Energy label 35 °C A, , , 1
Energy label 55 °C A, , , 1
Noise
Indoor unit sound power 40 dB(A)1
Refrigerant
Refrigerant R2901
Refrigerant GWP 31
Refrigerant charge 0.52 kg1

Variants

This model is registered in 4 combinations (for example with a different indoor unit or cylinder) with exactly the same performance. All figures on this page apply to each of these types. The part of the type number that differs is in bold; small differences (e.g. cylinder volume or anode) are listed after it:

  • Calibra RXT 12 230V
  • Calibra RXT 12 400V
  • Calibra RXT 12 Duo 230V
  • Calibra RXT 12 Duo 400V

Manufacturer documentation

External links to Thermia's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.

Frequently asked questions

What is the SCOP (35 °C) of the Thermia Calibra RXT 12 230V?

The SCOP (35 °C) of the Thermia Calibra RXT 12 230V is 6.88.1

Which refrigerant does the Thermia Calibra RXT 12 230V use?

The refrigerant of the Thermia Calibra RXT 12 230V is R290.1

Sources

  1. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026