August Brötje BLW Eco-KP 4.2 vs Remeha Confida MB 400-4
SCOP (35 °C): August Brötje BLW Eco-KP 4.2 5.34, Remeha Confida MB 400-4 5.34. The Remeha Confida MB 400-4 is better on 4 of 13 comparable points.
Who wins where
- August Brötje BLW Eco-KP 4.2
- Remeha Confida MB 400-4
Biggest differences
| Fact | BLW Eco-KP 4.2 | Confida MB 400-4 |
|---|---|---|
| COP A2/W35 | 4.1 | 5.29 |
| COP A-7/W35 | 3.2 | 3.4 |
| Indoor unit sound power | 31.7 dB(A) | 30 dB(A) |
Score per area = position (0–100) relative to all 1000 models in this category; higher is better.
| Technical specifications | August BrötjeBLW Eco-KP 4.2 | RemehaConfida MB 400-4 |
|---|---|---|
| Grants & market | ||
| Boiler Upgrade Scheme | £7,500 – £9,000 | £7,500 – £9,000 |
| Performance | ||
| Rated output 35 °C | 5.3 kW 1 | 5.3 kW 1 |
| Rated output 55 °C | 4.9 kW 1 | 4.9 kW 1 |
| Efficiency | ||
| SCOP (35 °C) | 5.34 1 | 5.34 1 |
| SCOP (55 °C) | 4 ✓ 1 | 3.99 1 |
| Seasonal efficiency ηs 35 °C | 210 % 1 | 210.4 % ✓ 1 |
| Seasonal efficiency ηs 55 °C | 157 % ✓ 1 | 156.7 % 1 |
| COP A7/W35 | 5.17 1 | 5.17 1 |
| COP A2/W35 | 4.1 1 | 5.29 ✓ 1 |
| COP A-7/W35 | 3.2 1 | 3.4 ✓ 1 |
| Noise | ||
| Outdoor unit sound power | 48 dB(A) 1 | 48 dB(A) 1 |
| Indoor unit sound power | 31.7 dB(A) 1 | 30 dB(A) ✓ 1 |
| Refrigerant | ||
| Refrigerant | R290 1 | R290 1 |
| Refrigerant charge | 0.7 kg 1 | 0.7 kg 1 |
| Electrical | ||
| Max. power input | 2.7 kW 1 | 2.7 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