Heat pumps · UK

InventorATS16T/HU160T9

Inventor ATS16T/HU160T9
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The Inventor ATS16T/HU160T9 is an air-to-water heat pump with a SCOP of 4.62 (35 °C) and a sound power level of 68 dB(A). Under permitted development the limit is 37 dB(A) measured 1 m in front of the centre of a neighbour’s habitable-room door or window. Free-standing, the indicative minimum distance is 14.2 m; against a wall 20.0 m.1,2

Key figures

SCOP (35 °C)
4.621

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

Heating capacity (A7/W35)
16kW2
Official source
Outdoor unit sound power
68dB(A)1
Official source
Refrigerant
R321
Official source
Type (source)
Air-to-water1
Official source
UK

Rules in the UK

Minimum distance to your neighbour

MCS 020(a) (England, permitted development since 29 May 2025)3 · 1 m in front of the centre of a neighbour’s habitable-room door or window

Permitted development (MCS 020(a)) ≤ 37 dB(A) · LAeq,5min
Free-standing 14.2 m
Against wall 20 m
In corner 28.3 m

Indicative calculation (hemispherical, no barriers). Not a substitute for an MCS 020 assessment.

Boiler Upgrade Scheme

Check conditions

£7,500 – £9,0004Fixed grant (England & Wales)

Fixed grant in England and Wales, deducted from your installer’s quote. £9,000 when replacing oil or LPG off the gas grid (until March 2027). Scotland: Home Energy Scotland grant instead.5,6

  • Must be MCS-certified (product and installer). Check the Ofgem product eligibility list.
  • Rated output 15.21 kW; the scheme covers systems up to 45 kW.
  • SCOP at 55 °C: 3.4. The installed system needs a SCOP of at least 2.8 (MCS calculation).
Heat pump grants in the UK explained →

Technical specifications

General
Type (source) Air-to-water1
Compressors 11
Capacity control drehzahlregelung1
Performance
Heating capacity (A7/W35) 16 kW2
Rated output 35 °C 15.21 kW1
Rated output 55 °C 13.02 kW1
Min. outdoor temperature -22 °C2
Efficiency
SCOP (35 °C) 4.621
SCOP (55 °C) 3.41
Seasonal efficiency ηs 35 °C 182 %1
Seasonal efficiency ηs 55 °C 133 %1
Energy label 35 °C A, , , 2
Energy label 55 °C A, , 2
COP A7/W35 4.51
COP A2/W35 4.411
COP A-7/W35 2.721
Noise
Outdoor unit sound power 68 dB(A)1
Indoor unit sound power 43 dB(A)1
Refrigerant
Refrigerant R321
Refrigerant GWP 6752
Refrigerant charge 1.84 kg1
Electrical
Max. power input 3.53 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:

  • ATS16T/HU160T9
  • ATS16S / HU160S3
  • ATS16S / HU160WT240S3
  • ATS16T / 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.

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Frequently asked questions

Can I install the Inventor ATS16T/HU160T9 without planning permission?

Under MCS 020(a) (England, permitted development since 29 May 2025) the unit must not exceed 37 dB(A) 1 m in front of the centre of a neighbour’s habitable-room door or window. With a sound power of 68 dB(A) that indicatively means 14.2 m free-standing, 20.0 m against a wall or 28.3 m in a corner. Your MCS installer must confirm this.1,2

How much Boiler Upgrade Scheme grant can you get for the Inventor ATS16T/HU160T9?

£7,500 in England and Wales, provided the product and installer are MCS-certified (£9,000 when replacing oil or LPG off the gas grid, until March 2027). The installer applies and deducts the grant from your quote.1,2

Which refrigerant does the Inventor ATS16T/HU160T9 use?

The Inventor ATS16T/HU160T9 uses R32.1,2

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 28 Sept 2026
  2. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026
  3. MCS 020(a) (England, permitted development since 29 May 2025)
  4. Boiler Upgrade Scheme: what you can get — GOV.UK · accessed 27 Sept 2026
  5. Boiler Upgrade Scheme: guidance for installers (V5) — Ofgem · accessed 27 Sept 2026
  6. Boiler Upgrade Scheme product eligibility — Ofgem · accessed 27 Sept 2026