August Brötje BLW Mono-KP 6.1 vs Bosch Home Comfort Cooling and Heating airH2O 600 S (2.5HP) RAS-2.5WHVRP2E+RWM-2.5R3E
SCOP (35 °C): August Brötje BLW Mono-KP 6.1 4.99, Bosch Home Comfort Cooling and Heating airH2O 600 S (2.5HP) RAS-2.5WHVRP2E+RWM-2.5R3E 4.45. The August Brötje BLW Mono-KP 6.1 is better on 7 of 13 comparable points.
Who wins where
- August Brötje BLW Mono-KP 6.1
- Bosch Home Comfort Cooling and Heating airH2O 600 S (2.5HP) RAS-2.5WHVRP2E+RWM-2.5R3E
Biggest differences
| Fact | BLW Mono-KP 6.1 | airH2O 600 S (2.5HP) RAS-2.5WHVRP2E+RWM-2.5R3E |
|---|---|---|
| COP A7/W35 | 5.06 | 6.65 |
| Indoor unit sound power | 31.7 dB(A) | 41 dB(A) |
| COP A-7/W35 | 3.18 | 2.5 |
| Refrigerant charge | 1.5 kg | 1.2 kg |
| Seasonal efficiency ηs 55 °C | 146 % | 125 % |
| SCOP (55 °C) | 3.73 | 3.2 |
Score per area = position (0–100) relative to all 1000 models in this category; higher is better.
| Technical specifications | August BrötjeBLW Mono-KP 6.1 | Bosch Home Comfort Cooling and HeatingairH2O 600 S (2.5HP) RAS-2.5WHVRP2E+RWM-2.5R3E |
|---|---|---|
| Grants & market | ||
| Boiler Upgrade Scheme | £7,500 – £9,000 | £7,500 – £9,000 |
| Performance | ||
| Rated output 35 °C | 6 kW 1 | 6 kW 1 |
| Rated output 55 °C | 6 kW 1 | 6 kW 1 |
| Efficiency | ||
| SCOP (35 °C) | 4.99 ✓ 1 | 4.45 1 |
| SCOP (55 °C) | 3.73 ✓ 1 | 3.2 1 |
| Seasonal efficiency ηs 35 °C | 197 % ✓ 1 | 175 % 1 |
| Seasonal efficiency ηs 55 °C | 146 % ✓ 1 | 125 % 1 |
| COP A7/W35 | 5.06 1 | 6.65 ✓ 1 |
| COP A2/W35 | 4.26 1 | 4.45 ✓ 1 |
| COP A-7/W35 | 3.18 ✓ 1 | 2.5 1 |
| Noise | ||
| Outdoor unit sound power | 46 dB(A) ✓ 1 | 51 dB(A) 1 |
| Indoor unit sound power | 31.7 dB(A) ✓ 1 | 41 dB(A) 1 |
| Refrigerant | ||
| Refrigerant | R290 1 | R32 1 |
| Refrigerant charge | 1.5 kg 1 | 1.2 kg ✓ 1 |
| Electrical | ||
| Max. power input | 4.2 kW 1 | 3.01 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