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ThermiaSigrin 19 400V

Thermia Sigrin 19 400V
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The Thermia Sigrin 19 400V is a heat pump with SCOP (35 °C) 6.92 and refrigerant R454C.1

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SCOP (35 °C)
6.921

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

Refrigerant
R454C1
Official source
Type (source)
Ground source1
Official source
Rated output 35 °C
19.25kW1
Official source
Rated output 55 °C
17.92kW1
Official source

Technical specifications

General
Type (source) Ground source1
Performance
Rated output 35 °C 19.25 kW1
Rated output 55 °C 17.92 kW1
Efficiency
SCOP (35 °C) 6.921
SCOP (55 °C) 5.331
Seasonal efficiency ηs 35 °C 269 %1
Seasonal efficiency ηs 55 °C 205 %1
Energy label 35 °C A, , , 1
Energy label 55 °C A, , , 1
Noise
Indoor unit sound power 41 dB(A)1
Refrigerant
Refrigerant R454C1
Refrigerant GWP 1481
Refrigerant charge 1.55 kg1

Variants

This model is registered in 2 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:

  • Sigrin 19 400V
  • Sigrin 19 Duo 400V — Indoor unit sound power: 40 dB(A)

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 Sigrin 19 400V?

The SCOP (35 °C) of the Thermia Sigrin 19 400V is 6.92.1

Which refrigerant does the Thermia Sigrin 19 400V use?

The refrigerant of the Thermia Sigrin 19 400V is R454C.1

Sources

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