Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) vs Buderus Logaplus M WLW176i-12 AR T180 (Logatherm WLW-12 MB AR + WLW176i-12 T180)
SCOP (35 °C): Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) 4.66, Buderus Logaplus M WLW176i-12 AR T180 (Logatherm WLW-12 MB AR + WLW176i-12 T180) 4.65. The Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) is better on 9 of 14 comparable points.
Both models in detail
Who wins where
- Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E)
- Buderus Logaplus M WLW176i-12 AR T180 (Logatherm WLW-12 MB AR + WLW176i-12 T180)
Biggest differences
| Fact | Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) | Logaplus M WLW176i-12 AR T180 (Logatherm WLW-12 MB AR + WLW176i-12 T180) |
|---|---|---|
| Indoor unit sound power | 31 dB(A) | 40 dB(A) |
| Refrigerant charge | 1.6 kg | 1.7 kg |
| COP A2/W35 | 4.48 | 4.68 |
Score per area = position (0–100) relative to all 1350 models in this category; higher is better.
| Technical specifications | BoschCompress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) | BuderusLogaplus M WLW176i-12 AR T180 (Logatherm WLW-12 MB AR + WLW176i-12 T180) |
|---|---|---|
| Grants & market | ||
| Boiler Upgrade Scheme | £7,500 – £9,000 | £7,500 – £9,000 |
| General | ||
| Type (source) | Air-to-water1 | Air-to-water1 |
| Performance | ||
| Rated output 35 °C | 12.2 kW1 | 12.2 kW1 |
| Rated output 55 °C | 12.2 kW✓1 | 12 kW1 |
| Efficiency | ||
| SCOP (35 °C) | 4.66✓1 | 4.651 |
| SCOP (55 °C) | 3.5✓1 | 3.481 |
| Seasonal efficiency ηs 35 °C | 184 %✓1 | 183 %1 |
| Seasonal efficiency ηs 55 °C | 137 %✓1 | 136 %1 |
| COP A7/W35 | 4.84✓1 | 4.81 |
| COP A2/W35 | 4.481 | 4.68✓1 |
| COP A-7/W35 | 2.43✓1 | 2.41 |
| SEER (cooling) | 2.781 | 2.781 |
| Noise | ||
| Outdoor unit sound power | 45 dB(A)1 | 45 dB(A)1 |
| Indoor unit sound power | 31 dB(A)✓1 | 40 dB(A)1 |
| Refrigerant | ||
| Refrigerant | R2901 | R2901 |
| Refrigerant charge | 1.6 kg✓1 | 1.7 kg1 |
| Electrical | ||
| Max. power input | 7.4 kW1 | 7.45 kW1 |
| Connectivity & smart | ||
| SG Ready | Yes1 | Yes1 |
Frequently asked questions
Which is better: the Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) or the Buderus Logaplus M WLW176i-12 AR T180 (Logatherm WLW-12 MB AR + WLW176i-12 T180)?
SCOP (35 °C): Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) 4.66, Buderus Logaplus M WLW176i-12 AR T180 (Logatherm WLW-12 MB AR + WLW176i-12 T180) 4.65. The Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) is better on 9 of 14 comparable points.
What is the SCOP (35 °C) of the Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) and the Buderus Logaplus M WLW176i-12 AR T180 (Logatherm WLW-12 MB AR + WLW176i-12 T180)?
Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E): 4.66. Buderus Logaplus M WLW176i-12 AR T180 (Logatherm WLW-12 MB AR + WLW176i-12 T180): 4.65.
Which is better on indoor unit sound power: the Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) or the Buderus Logaplus M WLW176i-12 AR T180 (Logatherm WLW-12 MB AR + WLW176i-12 T180)?
Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E): 31 dB(A). Buderus Logaplus M WLW176i-12 AR T180 (Logatherm WLW-12 MB AR + WLW176i-12 T180): 40 dB(A).
Which is better on refrigerant charge: the Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) or the Buderus Logaplus M WLW176i-12 AR T180 (Logatherm WLW-12 MB AR + WLW176i-12 T180)?
Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E): 1.6 kg. Buderus Logaplus M WLW176i-12 AR T180 (Logatherm WLW-12 MB AR + WLW176i-12 T180): 1.7 kg.
Related comparisons
- BoschCompress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E)vsBuderusLogaplus M WLW176i-12 AR E (Logatherm WLW-12 MB AR + WLW176i-12 E)
- BoschCompress CS6800iAW 12 ORE-T (AW 12 OR-T + CS6800iAW 12 E)vsBuderusLogaplus M WLW176i-12 AR T180 (Logatherm WLW-12 MB AR + WLW176i-12 T180)
- BoschCompress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E)vsBuderusLogaplus M WLW186i-12 AR T180 (Logatherm WLW-12 MB AR + WLW186i-12 T180)
- BoschCompress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E)vsBuderusLogaplus M WLW186i-12 AR TP70 (Logatherm WLW-12 MB AR + WLW186i-12 TP70)
- BoschCompress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E)vsBuderusLogaplus M WLW166i-13 MBB AR E (WLW-13 MBB AR P3 & Logatherm WLW176i.2 E)
- BoschCompress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi)vsBuderusLogaplus M WLW176i-12 AR E (Logatherm WLW-12 MB AR + WLW176i-12 E)
How we collect and check this data →
Sources
- List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 18 Oct 2026