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RotensoHES40X1o/HES60X1i

Rotenso HES40X1o/HES60X1i
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The Rotenso HES40X1o/HES60X1i is an air-to-water heat pump with a SCOP of 4.89 (35 °C) and a sound power level of 60 dB(A).1,2

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SCOP (35 °C)
4.892

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
60dB(A)2
Official source
Refrigerant
R322
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 °C 8 kW2
Rated output 55 °C 7 kW2
Min. outdoor temperature -22 °C2
Efficiency
SCOP (35 °C) 4.892
SCOP (55 °C) 3.442
Seasonal efficiency ηs 35 °C 193 %2
Seasonal efficiency ηs 55 °C 135 %2
Energy label 35 °C A, , , 2
Energy label 55 °C A, , 2
COP A7/W35 52
Noise
Outdoor unit sound power 60 dB(A)2
Indoor unit sound power 41 dB(A)2
Refrigerant
Refrigerant R322
Refrigerant GWP 6752
Refrigerant charge 1.65 kg2
Grants & market
ISDE grant (NL) 2,350 €1

Variants

This model is registered in 3 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:

  • HES40X1o/HES60X1i
  • HES60X1o/HES60X1i — ISDE grant (NL): 2,575 €
  • HES80X1o/HES80X13i — ISDE grant (NL): 2,800 €

Manufacturer documentation

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

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Frequently asked questions

Which refrigerant does the Rotenso HES40X1o/HES60X1i use?

The Rotenso HES40X1o/HES60X1i uses R32.1,2

Sources

  1. ISDE heat pump notification code list — Rijksdienst voor Ondernemend Nederland (RVO) · accessed 28 Sept 2026
  2. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026