FoxESS HP1-10-E vs REMKO WKM 135 Pro
SCOP (35 °C): FoxESS HP1-10-E 4.93, REMKO WKM 135 Pro 5.26. The REMKO WKM 135 Pro is better on 9 of 13 comparable points.
Who wins where
- FoxESS HP1-10-E
- REMKO WKM 135 Pro
Biggest differences
| Fact | HP1-10-E | WKM 135 Pro |
|---|---|---|
| Refrigerant charge | 1.5 kg | 0.9 kg |
| COP A-7/W35 | 2.81 | 3.45 |
| ISDE grant (NL) | 3,250 € | 3,475 € |
| Rated output 55 °C | 10.01 kW | 9.38 kW |
| SCOP (35 °C) | 4.93 | 5.26 |
| Seasonal efficiency ηs 35 °C | 194 % | 206 % |
Score per area = position (0–100) relative to all 1350 models in this category; higher is better.
| Technical specifications | FoxESSHP1-10-E | REMKOWKM 135 Pro |
|---|---|---|
| Grants & market | ||
| SEAI Heat Pump System Grant | €14,500 | €14,500 |
| General | ||
| Type (source) | Air-to-water 1 | Air-to-water 1 |
| Performance | ||
| Heating capacity (A7/W35) | 9.59 kW 2 | – |
| Rated output 35 °C | 10.03 kW 1 | 10.05 kW ✓ 1 |
| Rated output 55 °C | 10.01 kW ✓ 1 | 9.38 kW 1 |
| Efficiency | ||
| SCOP (35 °C) | 4.93 1 | 5.26 ✓ 1 |
| SCOP (55 °C) | 3.85 1 | 4.03 ✓ 1 |
| Seasonal efficiency ηs 35 °C | 194 % 1 | 206 % ✓ 1 |
| Seasonal efficiency ηs 55 °C | 151 % 1 | 158 % ✓ 1 |
| Energy label 35 °C | A, , , 2 | – |
| Energy label 55 °C | A, , , 2 | – |
| COP A7/W35 | 4.84 1 | 5.04 ✓ 1 |
| COP A2/W35 | – | 3.75 1 |
| COP A-7/W35 | 2.81 1 | 3.45 ✓ 1 |
| Noise | ||
| Outdoor unit sound power | 52 dB(A) ✓ 1 | 55 dB(A) 1 |
| Refrigerant | ||
| Refrigerant | R290 1 | R290 1 |
| Refrigerant GWP | 3 2 | 3 3 |
| Refrigerant charge | 1.5 kg 1 | 0.9 kg ✓ 1 |
| Electrical | ||
| Max. power input | 4.8 kW 1 | 3.5 kW 1 |
| Connectivity & smart | ||
| SG Ready | Yes 1 | Yes 1 |
| Grants & market | ||
| ISDE grant (NL) | 3,250 € 3 | 3,475 € ✓ 3 |
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
- ISDE heat pump notification code list — Rijksdienst voor Ondernemend Nederland (RVO) · accessed 28 Sept 2026