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ES Energy SaveES M8 R290 + ES M100L ST

The ES Energy Save ES M8 R290 + ES M100L ST is an air-to-water heat pump with a SCOP of 4.93 (35 °C) and a sound power level of 53 dB(A).1,2

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SCOP (35 °C)
4.932

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

Outdoor unit sound power
53dB(A)2
Official source
Refrigerant
R2901
Official source
Type (source)
Air-to-water1
Official source
Rated output 35 °C
7kW2
Official source

Technical specifications

General
Type (source) Air-to-water1
Compressors 11
Capacity control drehzahlregelung1
Performance
Rated output 35 °C 7 kW2
Rated output 55 °C 7 kW2
Efficiency
SCOP (35 °C) 4.932
SCOP (55 °C) 3.732
Seasonal efficiency ηs 35 °C 194 %2
Seasonal efficiency ηs 55 °C 146 %2
Energy label 35 °C A, , , 2
Energy label 55 °C A, , 2
COP A7/W35 5.061
COP A2/W35 4.951
COP A-7/W35 3.181
Noise
Outdoor unit sound power 53 dB(A)2
Indoor unit sound power 45 dB(A)1
Refrigerant
Refrigerant R2901
Refrigerant charge 0.7 kg1
Electrical
Max. power input 3.04 kW1
Connectivity & smart
SG Ready Yes1

Variants

This model is registered in 4 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:

  • ES M8 R290 + ES M100L ST
  • ES M8 R290 + ES M100L ST UK
  • ES M8 R290 + ES M250L ST
  • ES M8 R290 + ES M250L ST UK

Frequently asked questions

Which refrigerant does the ES Energy Save ES M8 R290 + ES M100L ST use?

The ES Energy Save ES M8 R290 + ES M100L ST uses R290.1,2

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed Sep 27, 2026
  2. European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed Oct 9, 2026