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Clivet WiSAN-PMP 1 S 4.1

The Clivet WiSAN-PMP 1 S 4.1 is an air-to-water heat pump with a SCOP of 5.35 (35 °C) and a sound power level of 47 dB(A).1,2,3

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SCOP (35 °C)
5.353

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

Heating capacity (A7/W35)
8kW2
Official source
Outdoor unit sound power
47dB(A)3
Official source
Refrigerant
R2902
Official source
Type (source)
Air-to-water2
Official source

Technical specifications

General
Type (source)Air-to-water2
Performance
Heating capacity (A7/W35)8 kW2
Rated output 35 °C8 kW3
Rated output 55 °C8 kW3
Efficiency
SCOP (35 °C)5.353
SCOP (55 °C)4.083
Seasonal efficiency ηs 35 °C211 %3
Seasonal efficiency ηs 55 °C160 %3
Energy label 35 °CA+++3
Energy label 55 °CA+++3
COP A7/W355.252
Noise
Outdoor unit sound power47 dB(A)3
Refrigerant
RefrigerantR2902
Refrigerant GWP32
Refrigerant charge1.1 kg2
Grants & market
ISDE grant (NL)2,800 €1

How it ranks

SCOP (35 °C): better than 95% of comparable models in our database (Heat pumps · Air-to-water · 8–10 kW; n = 171).

Rank 7 of 172

Compared with every model on VersusIndex in the same group with a known value; equal values do not count as better. This says nothing about price, installation or reliability.

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:

  • WiSAN-PMP 1 S 4.1
  • WiSAN-PMP 1 S 4.1T

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Frequently asked questions

Which refrigerant does the Clivet WiSAN-PMP 1 S 4.1 use?

The Clivet WiSAN-PMP 1 S 4.1 uses R290.1,2,3

Sources

  1. ISDE heat pump notification code list — Rijksdienst voor Ondernemend Nederland (RVO) · accessed Sep 27, 2026
  2. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed Sep 29, 2026
  3. European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed Oct 15, 2026