Mitsubishi Electric Europe PUHZ-SHW230YKA2 + ERSE-YM9EE vs Panasonic Deutschland AQUAREA [WH-WXG25ME8 + WH-CME8L]
SCOP (35 °C): Mitsubishi Electric Europe PUHZ-SHW230YKA2 + ERSE-YM9EE 3.92, Panasonic Deutschland AQUAREA [WH-WXG25ME8 + WH-CME8L] 4.25. The Panasonic Deutschland AQUAREA [WH-WXG25ME8 + WH-CME8L] is better on 12 of 14 comparable points.
Who wins where
- Mitsubishi Electric Europe PUHZ-SHW230YKA2 + ERSE-YM9EE
- Panasonic Deutschland AQUAREA [WH-WXG25ME8 + WH-CME8L]
Biggest differences
| Fact | PUHZ-SHW230YKA2 + ERSE-YM9EE | AQUAREA [WH-WXG25ME8 + WH-CME8L] |
|---|---|---|
| Refrigerant charge | 7.1 kg | 3 kg |
| COP A-7/W35 | 3.34 | 2.42 |
| Indoor unit sound power | 45 dB(A) | 35 dB(A) |
| COP A2/W35 | 3.34 | 4.24 |
| COP A7/W35 | 3.65 | 4.5 |
| Outdoor unit sound power | 68 dB(A) | 58 dB(A) |
Score per area = position (0–100) relative to all 1000 models in this category; higher is better.
| Technical specifications | Mitsubishi Electric EuropePUHZ-SHW230YKA2 + ERSE-YM9EE | Panasonic DeutschlandAQUAREA [WH-WXG25ME8 + WH-CME8L] |
|---|---|---|
| Grants & market | ||
| Boiler Upgrade Scheme | £7,500 – £9,000 | £7,500 – £9,000 |
| Performance | ||
| Rated output 35 °C | 23 kW 1 | 25 kW ✓ 1 |
| Rated output 55 °C | 23 kW 1 | 25 kW ✓ 1 |
| Efficiency | ||
| SCOP (35 °C) | 3.92 1 | 4.25 ✓ 1 |
| SCOP (55 °C) | 3.2 1 | 3.58 ✓ 1 |
| Seasonal efficiency ηs 35 °C | 154 % 1 | 167 % ✓ 1 |
| Seasonal efficiency ηs 55 °C | 125 % 1 | 140 % ✓ 1 |
| COP A7/W35 | 3.65 1 | 4.5 ✓ 1 |
| COP A2/W35 | 3.34 1 | 4.24 ✓ 1 |
| COP A-7/W35 | 3.34 ✓ 1 | 2.42 1 |
| SEER (cooling) | 4.32 1 | 4.58 ✓ 1 |
| Noise | ||
| Outdoor unit sound power | 68 dB(A) 1 | 58 dB(A) ✓ 1 |
| Indoor unit sound power | 45 dB(A) 1 | 35 dB(A) ✓ 1 |
| Refrigerant | ||
| Refrigerant | R410A 1 | R290 1 |
| Refrigerant charge | 7.1 kg 1 | 3 kg ✓ 1 |
| Electrical | ||
| Max. power input | 13.16 kW 1 | 15.1 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