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GalmetPrima S 8GT

The Galmet Prima S 8GT is an air-to-water heat pump with a SCOP of 5.21 (35 °C) and a sound power level of 59 dB(A).1

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SCOP (35 °C)
5.211

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

Heating capacity (A7/W35)
8.3kW1
Official source
Outdoor unit sound power
59dB(A)1
Official source
Refrigerant
R321
Official source
Type (source)
Air-to-water1
Official source

Technical specifications

General
Type (source) Air-to-water1
Performance
Heating capacity (A7/W35) 8.3 kW1
Rated output 35 °C 8.12 kW1
Rated output 55 °C 6.6 kW1
Min. outdoor temperature -22 °C1
Efficiency
SCOP (35 °C) 5.211
SCOP (55 °C) 3.361
Seasonal efficiency ηs 35 °C 205 %1
Seasonal efficiency ηs 55 °C 132 %1
Energy label 35 °C A, , , 1
Energy label 55 °C A, , 1
COP A7/W35 5.21
Noise
Outdoor unit sound power 59 dB(A)1
Indoor unit sound power 42 dB(A)1
Refrigerant
Refrigerant R321
Refrigerant GWP 6751
Refrigerant charge 1.65 kg1

Frequently asked questions

Which refrigerant does the Galmet Prima S 8GT use?

The Galmet Prima S 8GT uses R32.1

Sources

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