Heat pumps · INT

ES Energy Save AW12-R32-M-V8 + AWST6/15-R32-M-V8

The ES Energy Save AW12-R32-M-V8 + AWST6/15-R32-M-V8 is an air-to-water heat pump with a SCOP of 4.6 (35 °C) and a sound power level of 52 dB(A).1,2

Key figures

SCOP (35 °C)
4.62

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

Outdoor unit sound power
52dB(A)2
Official source
Refrigerant
R321
Official source
Type (source)
Air-to-water1
Official source
Rated output 35 °C
9kW2
Official source

Technical specifications

General
Type (source)Air-to-water1
Compressors11
Capacity controldrehzahlregelung1
Performance
Rated output 35 °C9 kW2
Rated output 55 °C7 kW2
Efficiency
SCOP (35 °C)4.62
SCOP (55 °C)3.382
Seasonal efficiency ηs 35 °C181 %2
Seasonal efficiency ηs 55 °C132 %2
Energy label 35 °CA+++2
Energy label 55 °CA++2
COP A7/W354.931
COP A2/W354.461
COP A-7/W353.251
Noise
Outdoor unit sound power52 dB(A)2
Indoor unit sound power44 dB(A)2
Refrigerant
RefrigerantR321
Refrigerant charge1.8 kg1
Electrical
Max. power input3.47 kW1
Connectivity & smart
SG ReadyYes1

How it ranks

SCOP (35 °C): better than 20% of comparable models in our database (Heat pumps · Air-to-water · 8–10 kW; n = 171).

Rank 135 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 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:

  • AW12-R32-M-V8 + AWST6/15-R32-M-V8
  • AW12-R32-M-V8 + AWC6/19-R32-M-V8
  • AW12-R32-S-V8 + AWH6/12-R32-S-V8 — Max. power input: 2.68 kW
  • AW12-R32-S-V8 + AWST6/12-R32-S-V8 — Max. power input: 2.68 kW

Similar models

Other brands, same type and a comparable size.

More from ES Energy Save

All ES Energy Save models (9) →

How we collect and check this data →

Frequently asked questions

Which refrigerant does the ES Energy Save AW12-R32-M-V8 + AWST6/15-R32-M-V8 use?

The ES Energy Save AW12-R32-M-V8 + AWST6/15-R32-M-V8 uses R32.1,2

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 15, 2026