Remeha Confida MB 400-6 vs Viessmann IDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.08-230-V001
SCOP (35 °C): Remeha Confida MB 400-6 5.22, Viessmann IDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.08-230-V001 4.44. The Remeha Confida MB 400-6 is better on 11 of 15 comparable points.
Who wins where
- Remeha Confida MB 400-6
- Viessmann IDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.08-230-V001
Biggest differences
| Fact | Confida MB 400-6 | IDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.08-230-V001 |
|---|---|---|
| Refrigerant charge | 0.7 kg | 1.2 kg |
| Indoor unit sound power | 30 dB(A) | 40 dB(A) |
| COP A2/W35 | 5.2 | 4.2 |
| Seasonal efficiency ηs 35 °C | 205.8 % | 175 % |
| SCOP (35 °C) | 5.22 | 4.44 |
| COP A7/W35 | 6.95 | 6.2 |
Score per area = position (0–100) relative to all 1350 models in this category; higher is better.
| Technical specifications | RemehaConfida MB 400-6 | ViessmannIDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.08-230-V001 |
|---|---|---|
| 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) | 6.26 kW ✓ 2 | 5.6 kW 3 |
| Rated output 35 °C | 6.4 kW 1 | 6.47 kW ✓ 1 |
| Rated output 55 °C | 6.1 kW 1 | 6.2 kW ✓ 1 |
| Min. outdoor temperature | – | -20 °C 3 |
| Efficiency | ||
| SCOP (35 °C) | 5.22 ✓ 1 | 4.44 1 |
| SCOP (55 °C) | 3.9 ✓ 1 | 3.5 1 |
| Seasonal efficiency ηs 35 °C | 205.8 % ✓ 1 | 175 % 1 |
| Seasonal efficiency ηs 55 °C | 152.9 % ✓ 1 | 137 % 1 |
| Energy label 35 °C | A, , , 2 | A, , , 3 |
| Energy label 55 °C | A, , , 2 | A, , 3 |
| COP A7/W35 | 6.95 ✓ 1 | 6.2 1 |
| COP A2/W35 | 5.2 ✓ 1 | 4.2 1 |
| COP A-7/W35 | 3.04 ✓ 1 | 3 1 |
| Noise | ||
| Outdoor unit sound power | 48 dB(A) ✓ 1 | 51 dB(A) 1 |
| Indoor unit sound power | 30 dB(A) ✓ 1 | 40 dB(A) 1 |
| Refrigerant | ||
| Refrigerant | R290 1 | R290 1 |
| Refrigerant GWP | 3 2 | 3 3 |
| Refrigerant charge | 0.7 kg ✓ 1 | 1.2 kg 1 |
| Electrical | ||
| Max. power input | 3 kW 1 | 1.19 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