Heat pumps · Compare

Bosch Compress CS5800iAW 5 ORE-S (AW 5 OR-S + CS5800iAW 12 E) vs Buderus Logaplus M WLW186i-7 AR TP70 (Logatherm WLW-7 MB AR + WLW186i-12 TP70)

SCOP (35 °C): Bosch Compress CS5800iAW 5 ORE-S (AW 5 OR-S + CS5800iAW 12 E) 4.57, Buderus Logaplus M WLW186i-7 AR TP70 (Logatherm WLW-7 MB AR + WLW186i-12 TP70) 4.56. The Bosch Compress CS5800iAW 5 ORE-S (AW 5 OR-S + CS5800iAW 12 E) is better on 6 of 14 comparable points.

Who wins where

  • Bosch Compress CS5800iAW 5 ORE-S (AW 5 OR-S + CS5800iAW 12 E)
  • Buderus Logaplus M WLW186i-7 AR TP70 (Logatherm WLW-7 MB AR + WLW186i-12 TP70)
PerformanceEfficiencyNoiseRefrigerantConnectivity & smart
Performance: Bosch Compress CS5800iAW 5 ORE-S (AW 5 OR-S + CS5800iAW 12 E) 17, Buderus Logaplus M WLW186i-7 AR TP70 (Logatherm WLW-7 MB AR + WLW186i-12 TP70) 20; Efficiency: Bosch Compress CS5800iAW 5 ORE-S (AW 5 OR-S + CS5800iAW 12 E) 21, Buderus Logaplus M WLW186i-7 AR TP70 (Logatherm WLW-7 MB AR + WLW186i-12 TP70) 19; Noise: Bosch Compress CS5800iAW 5 ORE-S (AW 5 OR-S + CS5800iAW 12 E) 94, Buderus Logaplus M WLW186i-7 AR TP70 (Logatherm WLW-7 MB AR + WLW186i-12 TP70) 86; Refrigerant: Bosch Compress CS5800iAW 5 ORE-S (AW 5 OR-S + CS5800iAW 12 E) 81, Buderus Logaplus M WLW186i-7 AR TP70 (Logatherm WLW-7 MB AR + WLW186i-12 TP70) 81; Connectivity & smart: Bosch Compress CS5800iAW 5 ORE-S (AW 5 OR-S + CS5800iAW 12 E) 50, Buderus Logaplus M WLW186i-7 AR TP70 (Logatherm WLW-7 MB AR + WLW186i-12 TP70) 50

Biggest differences

FactCompress CS5800iAW 5 ORE-S (AW 5 OR-S + CS5800iAW 12 E)Logaplus M WLW186i-7 AR TP70 (Logatherm WLW-7 MB AR + WLW186i-12 TP70)
Indoor unit sound power31 dB(A)37 dB(A)
Rated output 35 °C6.2 kW6.6 kW
Rated output 55 °C6.2 kW6.6 kW
COP A-7/W352.512.4
SEER (cooling)2.482.56
COP A2/W353.924.04
All specifications ↓

Score per area = position (0–100) relative to all 1000 models in this category; higher is better.

Technical specifications BoschCompress CS5800iAW 5 ORE-S (AW 5 OR-S + CS5800iAW 12 E) BuderusLogaplus M WLW186i-7 AR TP70 (Logatherm WLW-7 MB AR + WLW186i-12 TP70)
Grants & market
Boiler Upgrade Scheme £7,500 – £9,000£7,500 – £9,000
Performance
Rated output 35 °C 6.2 kW 1 6.6 kW ✓ 1
Rated output 55 °C 6.2 kW 1 6.6 kW ✓ 1
Efficiency
SCOP (35 °C) 4.57 ✓ 1 4.56 1
SCOP (55 °C) 3.5 ✓ 1 3.48 1
Seasonal efficiency ηs 35 °C 180 % 1 180 % 1
Seasonal efficiency ηs 55 °C 137 % ✓ 1 136 % 1
COP A7/W35 4.85 ✓ 1 4.8 1
COP A2/W35 3.92 1 4.04 ✓ 1
COP A-7/W35 2.51 ✓ 1 2.4 1
SEER (cooling) 2.48 1 2.56 ✓ 1
Noise
Outdoor unit sound power 42 dB(A) 1 42 dB(A) 1
Indoor unit sound power 31 dB(A) ✓ 1 37 dB(A) 1
Refrigerant
Refrigerant R290 1 R290 1
Refrigerant charge 0.95 kg 1 0.95 kg 1
Electrical
Max. power input 3.1 kW 1 3.2 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