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Mitsubishi Electric PUZ-WZ85VAA(-BS) + EHPT17X-*M*E vs Power World PW08-DKXLRE3-H8

SCOP (35 °C): Mitsubishi Electric PUZ-WZ85VAA(-BS) + EHPT17X-*M*E 4.54, Power World PW08-DKXLRE3-H8 5.15. The Power World PW08-DKXLRE3-H8 is better on 11 of 14 comparable points.

Who wins where

  • Mitsubishi Electric PUZ-WZ85VAA(-BS) + EHPT17X-*M*E
  • Power World PW08-DKXLRE3-H8
PerformanceEfficiencyNoiseRefrigerantConnectivity & smart
Performance: Mitsubishi Electric PUZ-WZ85VAA(-BS) + EHPT17X-*M*E 31, Power World PW08-DKXLRE3-H8 38; Efficiency: Mitsubishi Electric PUZ-WZ85VAA(-BS) + EHPT17X-*M*E 30, Power World PW08-DKXLRE3-H8 74; Noise: Mitsubishi Electric PUZ-WZ85VAA(-BS) + EHPT17X-*M*E 58, Power World PW08-DKXLRE3-H8 79; Refrigerant: Mitsubishi Electric PUZ-WZ85VAA(-BS) + EHPT17X-*M*E 87, Power World PW08-DKXLRE3-H8 84; Connectivity & smart: Mitsubishi Electric PUZ-WZ85VAA(-BS) + EHPT17X-*M*E 50, Power World PW08-DKXLRE3-H8 50

Biggest differences

FactPUZ-WZ85VAA(-BS) + EHPT17X-*M*EPW08-DKXLRE3-H8
Heating capacity (A7/W35)5.31 kW7.98 kW
Refrigerant charge0.6 kg0.9 kg
COP A-7/W352.63.32
Indoor unit sound power40 dB(A)35 dB(A)
SCOP (35 °C)4.545.15
Seasonal efficiency ηs 35 °C179 %202.9 %
All specifications ↓

Score per area = position (0–100) relative to all 1350 models in this category; higher is better.

Technical specifications Mitsubishi ElectricPUZ-WZ85VAA(-BS) + EHPT17X-*M*E Power WorldPW08-DKXLRE3-H8
Grants & market
Boiler Upgrade Scheme £7,500 – £9,000£7,500 – £9,000
General
Type (source) Air-to-water 1 Air-to-water 1
Performance
Heating capacity (A7/W35) 5.31 kW 2 7.98 kW ✓ 3
Rated output 35 °C 8 kW 1 8.05 kW ✓ 1
Rated output 55 °C 8 kW 1 8.01 kW ✓ 1
Efficiency
SCOP (35 °C) 4.54 1 5.15 ✓ 1
SCOP (55 °C) 3.6 1 3.9 ✓ 1
Seasonal efficiency ηs 35 °C 179 % 1 202.9 % ✓ 1
Seasonal efficiency ηs 55 °C 141 % 1 153 % ✓ 1
Energy label 35 °C A, , , 2 A, , , 3
Energy label 55 °C A, , 2 A, , , 3
COP A7/W35 4.8 1 4.92 ✓ 1
COP A2/W35 4.03 1 –
COP A-7/W35 2.6 1 3.32 ✓ 1
Noise
Outdoor unit sound power 54 dB(A) 1 50 dB(A) ✓ 1
Indoor unit sound power 40 dB(A) 1 35 dB(A) ✓ 1
Refrigerant
Refrigerant R290 1 R290 1
Refrigerant GWP 3 2 3 3
Refrigerant charge 0.6 kg ✓ 1 0.9 kg 1
Electrical
Max. power input 5.13 kW 1 2.14 kW 1
Connectivity & smart
SG Ready Yes 1 Yes 1

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