Heat pumps · Compare

Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) vs Buderus Logaplus M WLW176i-12 AR E (Logatherm WLW-12 MB AR + WLW176i-12 E)

SCOP (35 °C): Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) 4.66, Buderus Logaplus M WLW176i-12 AR E (Logatherm WLW-12 MB AR + WLW176i-12 E) 4.8. The Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) is better on 4 of 14 comparable points.

Who wins where

  • Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E)
  • Buderus Logaplus M WLW176i-12 AR E (Logatherm WLW-12 MB AR + WLW176i-12 E)
PerformanceEfficiencyNoiseRefrigerantConnectivity & smart
Performance: Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) 64, Buderus Logaplus M WLW176i-12 AR E (Logatherm WLW-12 MB AR + WLW176i-12 E) 61; Efficiency: Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) 37, Buderus Logaplus M WLW176i-12 AR E (Logatherm WLW-12 MB AR + WLW176i-12 E) 39; Noise: Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) 90, Buderus Logaplus M WLW176i-12 AR E (Logatherm WLW-12 MB AR + WLW176i-12 E) 90; Refrigerant: Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) 53, Buderus Logaplus M WLW176i-12 AR E (Logatherm WLW-12 MB AR + WLW176i-12 E) 48; Connectivity & smart: Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) 50, Buderus Logaplus M WLW176i-12 AR E (Logatherm WLW-12 MB AR + WLW176i-12 E) 50

Biggest differences

FactCompress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E)Logaplus M WLW176i-12 AR E (Logatherm WLW-12 MB AR + WLW176i-12 E)
Refrigerant charge1.6 kg1.7 kg
COP A2/W354.484.71
SCOP (35 °C)4.664.8
All specifications ↓

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 E (Logatherm WLW-12 MB AR + WLW176i-12 E)
Grants & market
SEAI Heat Pump System Grant €14,500€14,500
General
Type (source) Air-to-water 1 Air-to-water 1
Performance
Rated output 35 °C 12.2 kW 1 12.2 kW 1
Rated output 55 °C 12.2 kW ✓ 1 12 kW 1
Efficiency
SCOP (35 °C) 4.66 1 4.8 ✓ 1
SCOP (55 °C) 3.5 1 3.5 1
Seasonal efficiency ηs 35 °C 184 % 1 184 % 1
Seasonal efficiency ηs 55 °C 137 % 1 137 % 1
COP A7/W35 4.84 ✓ 1 4.8 1
COP A2/W35 4.48 1 4.71 ✓ 1
COP A-7/W35 2.43 ✓ 1 2.4 1
SEER (cooling) 2.78 1 2.78 1
Noise
Outdoor unit sound power 45 dB(A) 1 45 dB(A) 1
Indoor unit sound power 31 dB(A) 1 31 dB(A) 1
Refrigerant
Refrigerant R290 1 R290 1
Refrigerant charge 1.6 kg ✓ 1 1.7 kg 1
Electrical
Max. power input 7.4 kW 1 7.4 kW 1
Connectivity & smart
SG Ready Yes 1 Yes 1

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026