Heat pumps · MT

RemehaEffenca HT 20

Remeha Effenca HT 20
Image: Remeharequest removal

The Remeha Effenca HT 20 is an air-to-water heat pump with a SCOP of 5 (35 °C) and a sound power level of 58 dB(A).1,2

Last updated: Technical specifications ⇄ Compare this model

Key figures

SCOP (35 °C)
51

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
R2901
Official source
Type (source)
Air-to-water1
Official source
Rated output 35 °C
20kW1
Official source

Technical specifications

General
Type (source) Air-to-water1
Compressors 11
Capacity control drehzahlregelung1
Performance
Rated output 35 °C 20 kW1
Rated output 55 °C 20 kW1
Efficiency
SCOP (35 °C) 51
SCOP (55 °C) 3.851
Seasonal efficiency ηs 35 °C 197 %1
Seasonal efficiency ηs 55 °C 151 %1
COP A7/W35 4.61
COP A2/W35 4.11
COP A-7/W35 3.11
Noise
Outdoor unit sound power 58 dB(A)1
Refrigerant
Refrigerant R2901
Refrigerant GWP 32
Refrigerant charge 4.45 kg1
Electrical
Max. power input 8 kW1
Connectivity & smart
SG Ready Yes1
Grants & market
ISDE grant (NL) 5,725 €2

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:

  • Effenca HT 20
  • Effenca HT 20 EC

Manufacturer documentation

External links to Remeha'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 Remeha Effenca HT 20 use?

The Remeha Effenca HT 20 uses R290.1,2

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