FoxESS HP1-8-E vs Thermia iTec XTR M 400V
SCOP (35 °C): FoxESS HP1-8-E 5.15, Thermia iTec XTR M 400V 4.85. The FoxESS HP1-8-E is better on 10 of 15 comparable points.
Who wins where
- FoxESS HP1-8-E
- Thermia iTec XTR M 400V
Biggest differences
| Fact | HP1-8-E | iTec XTR M 400V |
|---|---|---|
| Refrigerant charge | 1.5 kg | 0.87 kg |
| COP A7/W35 | 6.69 | 4.91 |
| COP A2/W35 | 5.12 | 4.21 |
| Outdoor unit sound power | 51 dB(A) | 59 dB(A) |
| Seasonal efficiency ηs 55 °C | 154 % | 139 % |
| SCOP (55 °C) | 3.93 | 3.55 |
Score per area = position (0–100) relative to all 1350 models in this category; higher is better.
| Technical specifications | FoxESSHP1-8-E | ThermiaiTec XTR M 400V |
|---|---|---|
| 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) | 7.99 kW 2 | 8 kW ✓ 3 |
| Rated output 35 °C | 8.01 kW ✓ 1 | 8 kW 1 |
| Rated output 55 °C | 8.06 kW ✓ 1 | 8 kW 1 |
| Efficiency | ||
| SCOP (35 °C) | 5.15 ✓ 1 | 4.85 1 |
| SCOP (55 °C) | 3.93 ✓ 1 | 3.55 1 |
| Seasonal efficiency ηs 35 °C | 203 % ✓ 1 | 191 % 1 |
| Seasonal efficiency ηs 55 °C | 154 % ✓ 1 | 139 % 1 |
| Energy label 35 °C | A, , , 2 | A, , , 3 |
| Energy label 55 °C | A, , , 2 | A, , 3 |
| COP A7/W35 | 6.69 ✓ 1 | 4.91 1 |
| COP A2/W35 | 5.12 ✓ 1 | 4.21 1 |
| COP A-7/W35 | 3.18 ✓ 1 | 3 1 |
| Noise | ||
| Outdoor unit sound power | 51 dB(A) ✓ 1 | 59 dB(A) 1 |
| Refrigerant | ||
| Refrigerant | R290 1 | R290 1 |
| Refrigerant GWP | 3 2 | 3 3 |
| Refrigerant charge | 1.5 kg 1 | 0.87 kg ✓ 1 |
| Electrical | ||
| Max. power input | 3.8 kW 1 | 4.95 kW 1 |
| Connectivity & smart | ||
| SG Ready | Yes 1 | Yes 1 |
| Grants & market | ||
| ISDE grant (NL) | 2,800 € 4 | 2,800 € 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 28 Sept 2026