ACOND Grandis-L21 vs Power World PW20-DKXLRE3-H8
SCOP (35 °C): ACOND Grandis-L21 4.95, Power World PW20-DKXLRE3-H8 5.23. The Power World PW20-DKXLRE3-H8 is better on 7 of 14 comparable points.
Who wins where
- ACOND Grandis-L21
- Power World PW20-DKXLRE3-H8
Biggest differences
| Fact | Grandis-L21 | PW20-DKXLRE3-H8 |
|---|---|---|
| COP A7/W35 | 7.59 | 4.85 |
| Heating capacity (A7/W35) | 16.69 kW | 19.91 kW |
| Refrigerant charge | 2.6 kg | 2.2 kg |
| Indoor unit sound power | 36 dB(A) | 40 dB(A) |
| Rated output 55 °C | 22 kW | 19.93 kW |
| SCOP (55 °C) | 3.62 | 3.98 |
Score per area = position (0–100) relative to all 1350 models in this category; higher is better.
| Technical specifications | ACONDGrandis-L21 | Power WorldPW20-DKXLRE3-H8 |
|---|---|---|
| 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) | 16.69 kW 2 | 19.91 kW ✓ 3 |
| Rated output 35 °C | 21 kW ✓ 1 | 20.06 kW 1 |
| Rated output 55 °C | 22 kW ✓ 1 | 19.93 kW 1 |
| Efficiency | ||
| SCOP (35 °C) | 4.95 1 | 5.23 ✓ 1 |
| SCOP (55 °C) | 3.62 1 | 3.98 ✓ 1 |
| Seasonal efficiency ηs 35 °C | 195 % 1 | 206.3 % ✓ 1 |
| Seasonal efficiency ηs 55 °C | 142 % 1 | 156 % ✓ 1 |
| Energy label 35 °C | A, , , 2 | A, , , 3 |
| Energy label 55 °C | A, , 2 | A, , , 3 |
| COP A7/W35 | 7.59 ✓ 1 | 4.85 1 |
| COP A2/W35 | 4.6 1 | – |
| COP A-7/W35 | 2.74 1 | 2.92 ✓ 1 |
| Noise | ||
| Outdoor unit sound power | 53 dB(A) ✓ 1 | 56 dB(A) 1 |
| Indoor unit sound power | 36 dB(A) ✓ 1 | 40 dB(A) 1 |
| Refrigerant | ||
| Refrigerant | R290 1 | R290 1 |
| Refrigerant GWP | 3 2 | 3 3 |
| Refrigerant charge | 2.6 kg 1 | 2.2 kg ✓ 1 |
| Electrical | ||
| Max. power input | 14 kW 1 | 6.85 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