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REMKOHTS 135

The REMKO HTS 135 is an air-to-water heat pump with a SCOP of 5.57 (35 °C) and a sound power level of 58 dB(A).1,2

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SCOP (35 °C)
5.571

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

Outdoor unit sound power
58dB(A)1
Official source
Refrigerant
R321
Official source
Type (source)
Air-to-water1
Official source
Rated output 35 °C
9.4kW1
Official source

Technical specifications

General
Type (source) Air-to-water1
Compressors 11
Capacity control leistungsstufen1
Performance
Rated output 35 °C 9.4 kW1
Rated output 55 °C 9 kW1
Efficiency
SCOP (35 °C) 5.571
SCOP (55 °C) 3.831
Seasonal efficiency ηs 35 °C 219.9 %1
Seasonal efficiency ηs 55 °C 150.1 %1
COP A7/W35 5.041
COP A2/W35 4.091
COP A-7/W35 3.31
Noise
Outdoor unit sound power 58 dB(A)1
Indoor unit sound power 54 dB(A)1
Refrigerant
Refrigerant R321
Refrigerant GWP 6752
Refrigerant charge 1.75 kg1
Electrical
Max. power input 2.98 kW1
Connectivity & smart
SG Ready Yes1
Grants & market
ISDE grant (NL) 2,575 €2

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Frequently asked questions

Which refrigerant does the REMKO HTS 135 use?

The REMKO HTS 135 uses R32.1,2

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026
  2. ISDE heat pump notification code list — Rijksdienst voor Ondernemend Nederland (RVO) · accessed 28 Sept 2026