Heat pumps · Compare

Enpal EODU-V8-M1-AW-9E vs Power World PW040-DKZLRS-E/S

SCOP (35 °C): Enpal EODU-V8-M1-AW-9E 5.35, Power World PW040-DKZLRS-E/S 4.6. The Enpal EODU-V8-M1-AW-9E is better on 9 of 13 comparable points.

Who wins where

  • Enpal EODU-V8-M1-AW-9E
  • Power World PW040-DKZLRS-E/S
PerformanceEfficiencyNoiseRefrigerantConnectivity & smart
Performance: Enpal EODU-V8-M1-AW-9E 38, Power World PW040-DKZLRS-E/S 36; Efficiency: Enpal EODU-V8-M1-AW-9E 83, Power World PW040-DKZLRS-E/S 41; Noise: Enpal EODU-V8-M1-AW-9E 59, Power World PW040-DKZLRS-E/S 48; Refrigerant: Enpal EODU-V8-M1-AW-9E 78, Power World PW040-DKZLRS-E/S 82; Connectivity & smart: Enpal EODU-V8-M1-AW-9E 50, Power World PW040-DKZLRS-E/S 50

Biggest differences

FactEODU-V8-M1-AW-9EPW040-DKZLRS-E/S
Seasonal efficiency ηs 35 °C211 %181 %
SCOP (35 °C)5.354.6
Seasonal efficiency ηs 55 °C159 %137 %
Refrigerant charge1.1 kg0.95 kg
SCOP (55 °C)4.053.5
Heating capacity (A7/W35)8 kW7.04 kW
All specifications ↓

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

Technical specifications EnpalEODU-V8-M1-AW-9E Power WorldPW040-DKZLRS-E/S
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) 8 kW ✓ 2 7.04 kW 3
Rated output 35 °C 7.9 kW ✓ 1 7.89 kW 1
Rated output 55 °C 8.2 kW 1 8.7 kW ✓ 1
Min. outdoor temperature -22 °C 2 –
Efficiency
SCOP (35 °C) 5.35 ✓ 1 4.6 1
SCOP (55 °C) 4.05 ✓ 1 3.5 1
Seasonal efficiency ηs 35 °C 211 % ✓ 1 181 % 1
Seasonal efficiency ηs 55 °C 159 % ✓ 1 137 % 1
Energy label 35 °C A, , , 2 A, , , 3
Energy label 55 °C A, , , 2 A, , 3
COP A7/W35 5.25 ✓ 1 4.92 1
COP A2/W35 – 4.53 1
COP A-7/W35 3.3 ✓ 1 3.14 1
Noise
Outdoor unit sound power 53 dB(A) ✓ 1 55 dB(A) 1
Refrigerant
Refrigerant R290 1 R290 1
Refrigerant GWP 3 2 3 3
Refrigerant charge 1.1 kg 1 0.95 kg ✓ 1
Electrical
Max. power input 8 kW 1 4.1 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