Panasonic Aquarea [WH-SDC0509L3E5 / WH-WDG07LE5] vs STIEBEL ELTRON WPL-A 07.2 Plus HK 230
![Panasonic Aquarea [WH-SDC0509L3E5 / WH-WDG07LE5]](/img/p/heatpumps/panasonic-deutschland-aquarea-wh-sdc0509l3e5-wh-wdg07le5-480.webp?v=20261002)
SCOP (35 °C): Panasonic Aquarea [WH-SDC0509L3E5 / WH-WDG07LE5] 4.96, STIEBEL ELTRON WPL-A 07.2 Plus HK 230 5.08. The STIEBEL ELTRON WPL-A 07.2 Plus HK 230 is better on 8 of 12 comparable points.
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Both models in detail
Who wins where
- Panasonic Aquarea [WH-SDC0509L3E5 / WH-WDG07LE5]
- STIEBEL ELTRON WPL-A 07.2 Plus HK 230
Biggest differences
| Fact | Aquarea [WH-SDC0509L3E5 / WH-WDG07LE5] | WPL-A 07.2 Plus HK 230 |
|---|---|---|
| Refrigerant charge | 0.96 kg | 1.4 kg |
| Outdoor unit sound power | 53 dB(A) | 43 dB(A) |
| Rated output 35 °C | 7 kW | 8 kW |
| Rated output 55 °C | 7 kW | 8 kW |
| COP A7/W35 | 4.93 | 5.5 |
| SCOP (55 °C) | 3.62 | 4.03 |
Score per area = position (0–100) relative to all 1350 models in this category; higher is better.
| Technical specifications | PanasonicAquarea [WH-SDC0509L3E5 / WH-WDG07LE5] | STIEBEL ELTRONWPL-A 07.2 Plus HK 230 |
|---|---|---|
| Grants & market | ||
| Boiler Upgrade Scheme | £7,500 – £9,000 | £7,500 – £9,000 |
| General | ||
| Type (source) | Air-to-water1 | Air-to-water1 |
| Performance | ||
| Heating capacity (A7/W35) | – | 3.05 kW2 |
| Rated output 35 °C | 7 kW1 | 8 kW✓3 |
| Rated output 55 °C | 7 kW1 | 8 kW✓3 |
| Min. outdoor temperature | – | -22 °C2 |
| Efficiency | ||
| SCOP (35 °C) | 4.961 | 5.08✓3 |
| SCOP (55 °C) | 3.621 | 4.03✓3 |
| Seasonal efficiency ηs 35 °C | 195 %1 | 200 %✓3 |
| Seasonal efficiency ηs 55 °C | 142 %1 | 158 %✓3 |
| Energy label 35 °C | – | A+++3 |
| Energy label 55 °C | – | A+++3 |
| COP A7/W35 | 4.931 | 5.5✓1 |
| COP A2/W35 | 4.83✓1 | 4.571 |
| COP A-7/W35 | 3.26✓1 | 3.251 |
| SEER (cooling) | 5.081 | – |
| Noise | ||
| Outdoor unit sound power | 53 dB(A)1 | 43 dB(A)✓3 |
| Indoor unit sound power | 41 dB(A)1 | – |
| Refrigerant | ||
| Refrigerant | R2901 | R2901 |
| Refrigerant GWP | – | 32 |
| Refrigerant charge | 0.96 kg✓1 | 1.4 kg1 |
| Electrical | ||
| Max. power input | 3.56 kW1 | 3.68 kW1 |
| Connectivity & smart | ||
| SG Ready | Yes1 | Yes1 |
| Grants & market | ||
| ISDE grant (NL) | – | 2,800 €4 |
Frequently asked questions
Which is better: the Panasonic Aquarea [WH-SDC0509L3E5 / WH-WDG07LE5] or the STIEBEL ELTRON WPL-A 07.2 Plus HK 230?
SCOP (35 °C): Panasonic Aquarea [WH-SDC0509L3E5 / WH-WDG07LE5] 4.96, STIEBEL ELTRON WPL-A 07.2 Plus HK 230 5.08. The STIEBEL ELTRON WPL-A 07.2 Plus HK 230 is better on 8 of 12 comparable points.
What is the SCOP (35 °C) of the Panasonic Aquarea [WH-SDC0509L3E5 / WH-WDG07LE5] and the STIEBEL ELTRON WPL-A 07.2 Plus HK 230?
Panasonic Aquarea [WH-SDC0509L3E5 / WH-WDG07LE5]: 4.96. STIEBEL ELTRON WPL-A 07.2 Plus HK 230: 5.08.
Which is better on refrigerant charge: the Panasonic Aquarea [WH-SDC0509L3E5 / WH-WDG07LE5] or the STIEBEL ELTRON WPL-A 07.2 Plus HK 230?
Panasonic Aquarea [WH-SDC0509L3E5 / WH-WDG07LE5]: 0.96 kg. STIEBEL ELTRON WPL-A 07.2 Plus HK 230: 1.4 kg.
Which is better on outdoor unit sound power: the Panasonic Aquarea [WH-SDC0509L3E5 / WH-WDG07LE5] or the STIEBEL ELTRON WPL-A 07.2 Plus HK 230?
STIEBEL ELTRON WPL-A 07.2 Plus HK 230: 43 dB(A). Panasonic Aquarea [WH-SDC0509L3E5 / WH-WDG07LE5]: 53 dB(A).
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How we collect and check this data →
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
- European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed 15 Oct 2026
- ISDE heat pump notification code list — Rijksdienst voor Ondernemend Nederland (RVO) · accessed 28 Sept 2026