FoxESS HP1-12P-E vs Power World PW055-DKZLRS-E
SCOP (35 °C): FoxESS HP1-12P-E 4.62, Power World PW055-DKZLRS-E 4.68. The Power World PW055-DKZLRS-E is better on 7 of 13 comparable points.
Who wins where
- FoxESS HP1-12P-E
- Power World PW055-DKZLRS-E
Biggest differences
| Fact | HP1-12P-E | PW055-DKZLRS-E |
|---|---|---|
| COP A-7/W35 | 2.72 | 3.24 |
| Refrigerant charge | 1.5 kg | 1.3 kg |
| Outdoor unit sound power | 52 dB(A) | 58 dB(A) |
| COP A7/W35 | 4.18 | 4.61 |
| Heating capacity (A7/W35) | 11.49 kW | 12.17 kW |
Score per area = position (0–100) relative to all 1350 models in this category; higher is better.
| Technical specifications | FoxESSHP1-12P-E | Power WorldPW055-DKZLRS-E |
|---|---|---|
| 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) | 11.49 kW 2 | 12.17 kW ✓ 3 |
| Rated output 35 °C | 12.02 kW 1 | 12.03 kW ✓ 1 |
| Rated output 55 °C | 12.15 kW ✓ 1 | 11.94 kW 1 |
| Efficiency | ||
| SCOP (35 °C) | 4.62 1 | 4.68 ✓ 1 |
| SCOP (55 °C) | 3.62 ✓ 1 | 3.6 1 |
| Seasonal efficiency ηs 35 °C | 182 % 1 | 184.1 % ✓ 1 |
| Seasonal efficiency ηs 55 °C | 142 % ✓ 1 | 141 % 1 |
| Energy label 35 °C | A, , , 2 | A, , , 3 |
| Energy label 55 °C | A, , 2 | A, , 3 |
| COP A7/W35 | 4.18 1 | 4.61 ✓ 1 |
| COP A-7/W35 | 2.72 1 | 3.24 ✓ 1 |
| Noise | ||
| Outdoor unit sound power | 52 dB(A) ✓ 1 | 58 dB(A) 1 |
| Refrigerant | ||
| Refrigerant | R290 1 | R290 1 |
| Refrigerant GWP | 3 2 | 3 3 |
| Refrigerant charge | 1.5 kg 1 | 1.3 kg ✓ 1 |
| Electrical | ||
| Max. power input | 6.6 kW 1 | 7.1 kW 1 |
| Connectivity & smart | ||
| SG Ready | Yes 1 | Yes 1 |
| Grants & market | ||
| ISDE grant (NL) | 3,700 € 4 | – |
Sources
- List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026
- Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026
- Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026
- ISDE heat pump notification code list — Rijksdienst voor Ondernemend Nederland (RVO) · accessed 27 Sept 2026