ELCO AEROTOP SPK7 vs Viessmann Vitocal 150-A IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.06-230-V002
SCOP (35 °C): ELCO AEROTOP SPK7 4.92, Viessmann Vitocal 150-A IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.06-230-V002 4.58. The ELCO AEROTOP SPK7 is better on 8 of 16 comparable points.
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Both models in detail
Who wins where
- ELCO AEROTOP SPK7
- Viessmann Vitocal 150-A IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.06-230-V002
Biggest differences
| Fact | AEROTOP SPK7 | Vitocal 150-A IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.06-230-V002 |
|---|---|---|
| Refrigerant charge | 3.1 kg | 1.2 kg |
| Indoor unit sound power | 32 dB(A) | 40 dB(A) |
| Rated output 55 °C | 5.93 kW | 5.14 kW |
| Min. outdoor temperature | -22 °C | -20 °C |
| COP A-7/W35 | 2.73 | 3 |
| Seasonal efficiency ηs 35 °C | 194 % | 180 % |
Score per area = position (0–100) relative to all 1350 models in this category; higher is better.
| Technical specifications | ELCOAEROTOP SPK7 | ViessmannVitocal 150-A IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.06-230-V002 |
|---|---|---|
| General | ||
| Type (source) | Air-to-water1 | Air-to-water1 |
| System | – | Hybrid (with gas boiler)1 |
| Performance | ||
| Heating capacity (A7/W35) | 4.5 kW2 | 4.8 kW✓3 |
| Rated output 35 °C | 5.59 kW✓1 | 5.46 kW1 |
| Rated output 55 °C | 5.93 kW✓1 | 5.14 kW1 |
| Min. outdoor temperature | -22 °C✓2 | -20 °C3 |
| Efficiency | ||
| SCOP (35 °C) | 4.92✓1 | 4.581 |
| SCOP (55 °C) | 3.78✓1 | 3.61 |
| Seasonal efficiency ηs 35 °C | 194 %✓1 | 180 %1 |
| Seasonal efficiency ηs 55 °C | 148 %✓1 | 141 %1 |
| Energy label 35 °C | A+++2 | A+++3 |
| Energy label 55 °C | A++2 | A++3 |
| COP A7/W35 | 5.471 | 5.5✓1 |
| COP A2/W35 | 4.541 | 4.6✓1 |
| COP A-7/W35 | 2.731 | 3✓1 |
| Noise | ||
| Outdoor unit sound power | 52 dB(A)1 | 51 dB(A)✓1 |
| Indoor unit sound power | 32 dB(A)✓1 | 40 dB(A)1 |
| Refrigerant | ||
| Refrigerant | R2901 | R2901 |
| Refrigerant GWP | 32 | 33 |
| Refrigerant charge | 3.1 kg1 | 1.2 kg✓1 |
| Electrical | ||
| Max. power input | 4.8 kW1 | 0.98 kW1 |
| Connectivity & smart | ||
| SG Ready | Yes1 | Yes1 |
Frequently asked questions
Which is better: the ELCO AEROTOP SPK7 or the Viessmann Vitocal 150-A IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.06-230-V002?
SCOP (35 °C): ELCO AEROTOP SPK7 4.92, Viessmann Vitocal 150-A IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.06-230-V002 4.58. The ELCO AEROTOP SPK7 is better on 8 of 16 comparable points.
What is the SCOP (35 °C) of the ELCO AEROTOP SPK7 and the Viessmann Vitocal 150-A IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.06-230-V002?
ELCO AEROTOP SPK7: 4.92. Viessmann Vitocal 150-A IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.06-230-V002: 4.58.
Which is better on refrigerant charge: the ELCO AEROTOP SPK7 or the Viessmann Vitocal 150-A IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.06-230-V002?
Viessmann Vitocal 150-A IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.06-230-V002: 1.2 kg. ELCO AEROTOP SPK7: 3.1 kg.
Which is better on indoor unit sound power: the ELCO AEROTOP SPK7 or the Viessmann Vitocal 150-A IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.06-230-V002?
ELCO AEROTOP SPK7: 32 dB(A). Viessmann Vitocal 150-A IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.06-230-V002: 40 dB(A).
Related comparisons
- ELCOAEROTOP SPK7vsViessmannVitocal 150-A IDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.06-230-V001
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- TecalorTHZ 05.1 IB(C) comfortvsViessmannVitocal 150-A IDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.06-230-V001
- STIEBEL ELTRONLWZ 05.1 Plus H(K)WL 230vsViessmannVitocal 150-A IDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.06-230-V001
- STIEBEL ELTRONLWZ 05.1 Premium HKWL 230vsViessmannVitocal 150-A IDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.06-230-V001
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
- Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026