Axen KS-90W/EN7BP vs Inventor ATS10S/HU100S3
SCOP (35 °C): Axen KS-90W/EN7BP 4.72, Inventor ATS10S/HU100S3 5.19. The Axen KS-90W/EN7BP is better on 7 of 13 comparable points.
Who wins where
- Axen KS-90W/EN7BP
- Inventor ATS10S/HU100S3
Biggest differences
| Fact | KS-90W/EN7BP | ATS10S/HU100S3 |
|---|---|---|
| Refrigerant GWP | 3 | 675 |
| Refrigerant charge | 1 kg | 1.65 kg |
| COP A7/W35 | 6.44 | 5 |
| COP A-7/W35 | 2.75 | 3.23 |
| Rated output 55 °C | 8.5 kW | 7.67 kW |
| Seasonal efficiency ηs 55 °C | 151 % | 137 % |
Score per area = position (0–100) relative to all 1350 models in this category; higher is better.
| Technical specifications | AxenKS-90W/EN7BP | InventorATS10S/HU100S3 |
|---|---|---|
| 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) | 9.1 kW 2 | 10 kW ✓ 3 |
| Rated output 35 °C | 9.1 kW 1 | 9.17 kW ✓ 1 |
| Rated output 55 °C | 8.5 kW ✓ 1 | 7.67 kW 1 |
| Min. outdoor temperature | – | -22 °C 3 |
| Efficiency | ||
| SCOP (35 °C) | 4.72 1 | 5.19 ✓ 1 |
| SCOP (55 °C) | 3.85 ✓ 1 | 3.5 1 |
| Seasonal efficiency ηs 35 °C | 186 % 1 | 205 % ✓ 1 |
| Seasonal efficiency ηs 55 °C | 151 % ✓ 1 | 137 % 1 |
| Energy label 35 °C | A, , , 2 | A, , , 3 |
| Energy label 55 °C | A, , , 2 | A, , 3 |
| COP A7/W35 | 6.44 ✓ 1 | 5 1 |
| COP A2/W35 | 4.61 1 | – |
| COP A-7/W35 | 2.75 1 | 3.23 ✓ 1 |
| Noise | ||
| Outdoor unit sound power | 56 dB(A) ✓ 1 | 60 dB(A) 1 |
| Indoor unit sound power | – | 42 dB(A) 1 |
| Refrigerant | ||
| Refrigerant | R290 1 | R32 1 |
| Refrigerant GWP | 3 ✓ 2 | 675 3 |
| Refrigerant charge | 1 kg ✓ 1 | 1.65 kg 1 |
| Electrical | ||
| Max. power input | 6.7 kW 1 | 2.02 kW 1 |
| Connectivity & smart | ||
| SG Ready | Yes 1 | Yes 1 |
Sources
- List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 28 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