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AUXACHP-H12/5R2HA-M

The AUX ACHP-H12/5R2HA-M is an air-to-water heat pump with a SCOP of 4.72 (35 °C) and a sound power level of 58 dB(A).1,2

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SCOP (35 °C)
4.721

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

Heating capacity (A7/W35)
12kW2
Official source
Outdoor unit sound power
58dB(A)1
Official source
Refrigerant
R2901
Official source
Type (source)
Air-to-water1
Official source

Technical specifications

General
Type (source) Air-to-water1
Compressors 11
Capacity control drehzahlregelung1
Performance
Heating capacity (A7/W35) 12 kW2
Rated output 35 °C 12.2 kW1
Rated output 55 °C 12 kW1
Efficiency
SCOP (35 °C) 4.721
SCOP (55 °C) 3.831
Seasonal efficiency ηs 35 °C 186 %1
Seasonal efficiency ηs 55 °C 150 %1
Energy label 35 °C A, , , 2
Energy label 55 °C A, , , 2
COP A7/W35 4.91
COP A2/W35 4.51
COP A-7/W35 3.021
Noise
Outdoor unit sound power 58 dB(A)1
Refrigerant
Refrigerant R2901
Refrigerant GWP 32
Refrigerant charge 1.35 kg1
Electrical
Max. power input 16 kW1
Connectivity & smart
SG Ready Yes1

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:

  • ACHP-H12/5R2HA-M
  • ACHP-H12/5R2HA-M(NE) — Max. power input: 7 kW

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Frequently asked questions

Which refrigerant does the AUX ACHP-H12/5R2HA-M use?

The AUX ACHP-H12/5R2HA-M uses R290.1,2

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026
  2. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026