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VaillantVWF 157/4

Vaillant VWF 157/4
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The Vaillant VWF 157/4 is a heat pump with SCOP (35 °C) 5.09 and refrigerant R410A.1

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SCOP (35 °C)
5.091

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

Refrigerant
R410A1
Official source
Type (source)
Ground source1
Official source
Rated output 35 °C
14.39kW1
Official source
Rated output 55 °C
14.65kW1
Official source

Technical specifications

General
Type (source) Ground source1
Performance
Rated output 35 °C 14.39 kW1
Rated output 55 °C 14.65 kW1
Efficiency
SCOP (35 °C) 5.091
SCOP (55 °C) 3.771
Seasonal efficiency ηs 35 °C 196 %1
Seasonal efficiency ηs 55 °C 143 %1
Energy label 35 °C A, , , 1
Energy label 55 °C A, , 1
Noise
Indoor unit sound power 50 dB(A)1
Refrigerant
Refrigerant R410A1
Refrigerant GWP 2,0881
Refrigerant charge 3.05 kg1

Manufacturer documentation

  • Product page (vaillant.de)
  • Brochure / leaflet — Produktinfo Wärmepumpe flexoTHERM exclusive (vaillant.de, PDF)
  • Manual — Installations- und Wartungsanleitung flexoTHERM exclusive VWF 57/4, VWF 87/4 (kontakt.vaillant.de, PDF)

External links to Vaillant'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 Vaillant VWF 157/4?

The SCOP (35 °C) of the Vaillant VWF 157/4 is 5.09.1

Which refrigerant does the Vaillant VWF 157/4 use?

The refrigerant of the Vaillant VWF 157/4 is R410A.1

Sources

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