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Heat pumps · UK

Power World PW030-DKZLRS-E1/S(ODU)

Power World PW030-DKZLRS-E1/S(ODU)
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The Power World PW030-DKZLRS-E1/S(ODU) is an air-to-water heat pump with a SCOP of 4.91 (35 °C) and a sound power level of 49 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 1.6 m; against a wall 2.2 m.1,2

Last updated: Technical specificationsRules in the UK⇄ Compare this model
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SCOP (35 °C)
4.911

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

Heating capacity (A7/W35)
6.03kW2
Official source
Outdoor unit sound power
49dB(A)1
Official source
Refrigerant
R2901
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-standing1.6 m
Against wall2.2 m
In corner3.2 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 6.19 kW; the scheme covers systems up to 45 kW.
  • SCOP at 55 °C: 3.87. 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
Compressors11
Capacity controldrehzahlregelung1
Performance
Heating capacity (A7/W35)6.03 kW2
Rated output 35 °C6.19 kW1
Rated output 55 °C6.19 kW1
Efficiency
SCOP (35 °C)4.911
SCOP (55 °C)3.871
Seasonal efficiency ηs 35 °C193.2 %1
Seasonal efficiency ηs 55 °C151.7 %1
Energy label 35 °CA+++2
Energy label 55 °CA+++2
COP A7/W354.961
COP A2/W354.881
COP A-7/W353.181
Noise
Outdoor unit sound power49 dB(A)1
Indoor unit sound power40 dB(A)1
Refrigerant
RefrigerantR2901
Refrigerant GWP32
Refrigerant charge0.6 kg1
Electrical
Max. power input1.93 kW1
Connectivity & smart
SG ReadyYes1

How it ranks

SCOP (35 °C): better than 68% of comparable models in our database (Heat pumps · Air-to-water · 6–8 kW; n = 182).

Rank 59 of 183

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.

Manufacturer documentation

External links to Power World'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 Power World PW030-DKZLRS-E1/S(ODU) 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 49 dB(A) that indicatively means 1.6 m free-standing, 2.2 m against a wall or 3.2 m in a corner. Your MCS installer must confirm this.1,2

How much Boiler Upgrade Scheme grant can you get for the Power World PW030-DKZLRS-E1/S(ODU)?

£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 Power World PW030-DKZLRS-E1/S(ODU) use?

The Power World PW030-DKZLRS-E1/S(ODU) 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
  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