Daikin Airconditioning Germany Daikin Altherma 4 H ECH2O 6KW 300l/500l H/C ( Biv) vs Mitsubishi Electric Europe PUZ-WM85YAA + ERPX-MD
SCOP (35 °C): Daikin Airconditioning Germany Daikin Altherma 4 H ECH2O 6KW 300l/500l H/C ( Biv) 5.12, Mitsubishi Electric Europe PUZ-WM85YAA + ERPX-MD 4.93. The Daikin Airconditioning Germany Daikin Altherma 4 H ECH2O 6KW 300l/500l H/C ( Biv) is better on 8 of 13 comparable points.
Who wins where
- Daikin Airconditioning Germany Daikin Altherma 4 H ECH2O 6KW 300l/500l H/C ( Biv)
- Mitsubishi Electric Europe PUZ-WM85YAA + ERPX-MD
Biggest differences
| Fact | Daikin Altherma 4 H ECH2O 6KW 300l/500l H/C ( Biv) | PUZ-WM85YAA + ERPX-MD |
|---|---|---|
| Refrigerant charge | 1 kg | 2.2 kg |
| Outdoor unit sound power | 45 dB(A) | 58 dB(A) |
| Indoor unit sound power | 49 dB(A) | 40 dB(A) |
| COP A-7/W35 | 3.38 | 3.1 |
| Seasonal efficiency ηs 55 °C | 153 % | 141 % |
| SCOP (55 °C) | 3.9 | 3.6 |
Score per area = position (0–100) relative to all 1000 models in this category; higher is better.
| Technical specifications | Daikin Airconditioning GermanyDaikin Altherma 4 H ECH2O 6KW 300l/500l H/C ( Biv) | Mitsubishi Electric EuropePUZ-WM85YAA + ERPX-MD |
|---|---|---|
| Grants & market | ||
| Boiler Upgrade Scheme | £7,500 – £9,000 | £7,500 – £9,000 |
| Performance | ||
| Rated output 35 °C | 6.5 kW 1 | 6.5 kW 1 |
| Rated output 55 °C | 6.5 kW 1 | 6.5 kW 1 |
| Efficiency | ||
| SCOP (35 °C) | 5.12 ✓ 1 | 4.93 1 |
| SCOP (55 °C) | 3.9 ✓ 1 | 3.6 1 |
| Seasonal efficiency ηs 35 °C | 202 % ✓ 1 | 194 % 1 |
| Seasonal efficiency ηs 55 °C | 153 % ✓ 1 | 141 % 1 |
| COP A7/W35 | 5.19 ✓ 1 | 4.9 1 |
| COP A2/W35 | 4.46 1 | 4.79 ✓ 1 |
| COP A-7/W35 | 3.38 ✓ 1 | 3.1 1 |
| Noise | ||
| Outdoor unit sound power | 45 dB(A) ✓ 1 | 58 dB(A) 1 |
| Indoor unit sound power | 49 dB(A) 1 | 40 dB(A) ✓ 1 |
| Refrigerant | ||
| Refrigerant | R290 1 | R32 1 |
| Refrigerant charge | 1 kg ✓ 1 | 2.2 kg 1 |
| Electrical | ||
| Max. power input | 2.82 kW 1 | 7.49 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