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InventorATS12S / HU160S3

Inventor ATS12S / HU160S3
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The Inventor ATS12S / HU160S3 is an air-to-water heat pump with a SCOP of 4.81 (35 °C) and a sound power level of 64 dB(A).1

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SCOP (35 °C)
4.811

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

Heating capacity (A7/W35)
12.1kW1
Official source
Outdoor unit sound power
64dB(A)1
Official source
Refrigerant
R321
Official source
Type (source)
Air-to-water1
Official source

Technical specifications

General
Type (source) Air-to-water1
Performance
Heating capacity (A7/W35) 12.1 kW1
Rated output 35 °C 12 kW1
Rated output 55 °C 11.58 kW1
Min. outdoor temperature -22 °C1
Efficiency
SCOP (35 °C) 4.811
SCOP (55 °C) 3.451
Seasonal efficiency ηs 35 °C 189 %1
Seasonal efficiency ηs 55 °C 135 %1
Energy label 35 °C A, , , 1
Energy label 55 °C A, , 1
COP A7/W35 4.951
Noise
Outdoor unit sound power 64 dB(A)1
Indoor unit sound power 43 dB(A)1
Refrigerant
Refrigerant R321
Refrigerant GWP 6751
Refrigerant charge 1.84 kg1

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:

  • ATS12S / HU160S3
  • ATS12S / HU160WT240S3
  • ATS12T / HU160T9
  • ATS12T / HU160WT240T9

Manufacturer documentation

External links to Inventor's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.

Frequently asked questions

Which refrigerant does the Inventor ATS12S / HU160S3 use?

The Inventor ATS12S / HU160S3 uses R32.1

Sources

  1. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026