Clivet WiSAN-PMP 1 S 12.1 vs AUX ACHM-H22/5R2A
SCOP (35 °C): Clivet WiSAN-PMP 1 S 12.1 4.95, AUX ACHM-H22/5R2A 5.2. The AUX ACHM-H22/5R2A is better on 8 of 14 comparable points.
Who wins where
- Clivet WiSAN-PMP 1 S 12.1
- AUX ACHM-H22/5R2A
Biggest differences
| Fact | WiSAN-PMP 1 S 12.1 | ACHM-H22/5R2A |
|---|---|---|
| COP A7/W35 | 4.77 | 6.93 |
| COP A2/W35 | 3.7 | 5.04 |
| Outdoor unit sound power | 68 dB(A) | 55 dB(A) |
| Heating capacity (A7/W35) | 25 kW | 22 kW |
| Seasonal efficiency ηs 55 °C | 150.7 % | 162 % |
| SCOP (55 °C) | 3.84 | 4.12 |
Score per area = position (0–100) relative to all 1350 models in this category; higher is better.
| Technical specifications | ClivetWiSAN-PMP 1 S 12.1 | AUXACHM-H22/5R2A |
|---|---|---|
| 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) | 25 kW ✓ 2 | 22 kW 3 |
| Rated output 35 °C | 26 kW 1 | 26 kW 1 |
| Rated output 55 °C | 26 kW 1 | 26 kW 1 |
| Min. outdoor temperature | -22 °C 2 | – |
| Efficiency | ||
| SCOP (35 °C) | 4.95 1 | 5.2 ✓ 1 |
| SCOP (55 °C) | 3.84 1 | 4.12 ✓ 1 |
| Seasonal efficiency ηs 35 °C | 194.9 % 1 | 205 % ✓ 1 |
| Seasonal efficiency ηs 55 °C | 150.7 % 1 | 162 % ✓ 1 |
| Energy label 35 °C | A, , , 2 | A, , , 3 |
| Energy label 55 °C | A, , , 2 | A, , , 3 |
| COP A7/W35 | 4.77 1 | 6.93 ✓ 1 |
| COP A2/W35 | 3.7 1 | 5.04 ✓ 1 |
| COP A-7/W35 | 3.03 1 | 3.19 ✓ 1 |
| Noise | ||
| Outdoor unit sound power | 68 dB(A) 1 | 55 dB(A) ✓ 1 |
| Indoor unit sound power | 68 dB(A) 1 | – |
| Refrigerant | ||
| Refrigerant | R290 1 | R290 1 |
| Refrigerant GWP | 3 2 | 3 3 |
| Refrigerant charge | 2.9 kg 1 | 2.9 kg 1 |
| Electrical | ||
| Max. power input | 14.5 kW 1 | 21 kW 1 |
| Connectivity & smart | ||
| SG Ready | Yes 1 | Yes 1 |
| Grants & market | ||
| ISDE grant (NL) | 6,400 € 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