ait-deutschland Helox SE 5 1P vs FoxESS HP1-5P-E
SCOP (35 °C): ait-deutschland Helox SE 5 1P 4.75, FoxESS HP1-5P-E 5.13. The FoxESS HP1-5P-E is better on 7 of 13 comparable points.
Who wins where
- ait-deutschland Helox SE 5 1P
- FoxESS HP1-5P-E
Biggest differences
| Fact | Helox SE 5 1P | HP1-5P-E |
|---|---|---|
| Refrigerant charge | 0.5 kg | 0.9 kg |
| Heating capacity (A7/W35) | 6.62 kW | 5.15 kW |
| COP A-7/W35 | 2.67 | 3.26 |
| Seasonal efficiency ηs 55 °C | 132 % | 155 % |
| SCOP (55 °C) | 3.38 | 3.95 |
| COP A7/W35 | 4.51 | 5.22 |
Score per area = position (0–100) relative to all 1350 models in this category; higher is better.
| Technical specifications | ait-deutschlandHelox SE 5 1P | FoxESSHP1-5P-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) | 6.62 kW ✓ 2 | 5.15 kW 3 |
| Rated output 35 °C | 5.1 kW 1 | 5.1 kW 1 |
| Rated output 55 °C | 4.6 kW 1 | 5.19 kW ✓ 1 |
| Efficiency | ||
| SCOP (35 °C) | 4.75 1 | 5.13 ✓ 1 |
| SCOP (55 °C) | 3.38 1 | 3.95 ✓ 1 |
| Seasonal efficiency ηs 35 °C | 187 % 1 | 202 % ✓ 1 |
| Seasonal efficiency ηs 55 °C | 132 % 1 | 155 % ✓ 1 |
| Energy label 35 °C | A, , , 2 | A, , , 3 |
| Energy label 55 °C | A, , 2 | A, , , 3 |
| COP A7/W35 | 4.51 1 | 5.22 ✓ 1 |
| COP A2/W35 | – | 5.05 1 |
| COP A-7/W35 | 2.67 1 | 3.26 ✓ 1 |
| Noise | ||
| Outdoor unit sound power | 49 dB(A) 1 | 49 dB(A) 1 |
| Refrigerant | ||
| Refrigerant | R290 1 | R290 1 |
| Refrigerant GWP | 3 2 | 3 3 |
| Refrigerant charge | 0.5 kg ✓ 1 | 0.9 kg 1 |
| Electrical | ||
| Max. power input | 2.3 kW 1 | 2.9 kW 1 |
| Connectivity & smart | ||
| SG Ready | Yes 1 | Yes 1 |
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