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Heat pumps · UK

KW Energie GmbH und Co&KGsmartblock heat pump 72

The KW Energie GmbH und Co&KG smartblock heat pump 72 is an air-to-water heat pump with a SCOP of 5.42 (35 °C) and a sound power level of 74.7 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 30.6 m; against a wall 43.3 m.1

Last updated: Technical specifications Rules in the UK
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SCOP (35 °C)
5.421

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

Outdoor unit sound power
74.7dB(A)1
Official source
Refrigerant
R2901
Official source
Rated output 35 °C
64kW1
Official source
Rated output 55 °C
64kW1
Official source
UK

Rules in the UK

Minimum distance to your neighbour

MCS 020(a) (England, permitted development since 29 May 2025)2 · 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 30.6 m
Against wall 43.3 m
In corner 61.2 m

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

Boiler Upgrade Scheme

Not eligible

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.4,5

  • Must be MCS-certified (product and installer). Check the Ofgem product eligibility list.
  • Rated output 64 kW; the scheme covers systems up to 45 kW.
  • SCOP at 55 °C: 4.13. The installed system needs a SCOP of at least 2.8 (MCS calculation).
Heat pump grants in the UK explained →

Technical specifications

General
Type Air-to-water1
Compressors 21
Capacity control Inverter1
Performance
Rated output 35 °C 64 kW1
Rated output 55 °C 64 kW1
Efficiency
SCOP (35 °C) 5.421
SCOP (55 °C) 4.131
Seasonal efficiency ηs 35 °C 213.6 %1
Seasonal efficiency ηs 55 °C 162.1 %1
COP A7/W35 4.621
COP A2/W35 5.231
COP A-7/W35 3.121
SEER (cooling) 5.321
Noise
Outdoor unit sound power 74.7 dB(A)1
Indoor unit sound power 62.2 dB(A)1
Refrigerant
Refrigerant R2901
Refrigerant charge 4.9 kg1
Electrical
Max. power input 37.6 kW1
Connectivity & smart
SG Ready Yes1

Frequently asked questions

Can I install the KW Energie GmbH und Co&KG smartblock heat pump 72 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 74.7 dB(A) that indicatively means 30.6 m free-standing, 43.3 m against a wall or 61.2 m in a corner. Your MCS installer must confirm this.1

How much Boiler Upgrade Scheme grant can you get for the KW Energie GmbH und Co&KG smartblock heat pump 72?

Probably none. Rated output 64 kW; the scheme covers systems up to 45 kW.1

Which refrigerant does the KW Energie GmbH und Co&KG smartblock heat pump 72 use?

The KW Energie GmbH und Co&KG smartblock heat pump 72 uses R290.1

Sources

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