Heat pumps · Compare

Buderus Logaplus M WLW176i-4 AR TP70 (Logatherm WLW-4 MB AR + WLW176i-12 TP70) vs Panasonic Deutschland Aquarea [WH-ADC0309K3E5AN / WH-UDZ03KE5]

SCOP (35 °C): Buderus Logaplus M WLW176i-4 AR TP70 (Logatherm WLW-4 MB AR + WLW176i-12 TP70) 4.55, Panasonic Deutschland Aquarea [WH-ADC0309K3E5AN / WH-UDZ03KE5] 5.07. The Panasonic Deutschland Aquarea [WH-ADC0309K3E5AN / WH-UDZ03KE5] is better on 8 of 14 comparable points.

Who wins where

  • Buderus Logaplus M WLW176i-4 AR TP70 (Logatherm WLW-4 MB AR + WLW176i-12 TP70)
  • Panasonic Deutschland Aquarea [WH-ADC0309K3E5AN / WH-UDZ03KE5]
PerformanceEfficiencyNoiseRefrigerantConnectivity & smart
Performance: Buderus Logaplus M WLW176i-4 AR TP70 (Logatherm WLW-4 MB AR + WLW176i-12 TP70) 4, Panasonic Deutschland Aquarea [WH-ADC0309K3E5AN / WH-UDZ03KE5] 1; Efficiency: Buderus Logaplus M WLW176i-4 AR TP70 (Logatherm WLW-4 MB AR + WLW176i-12 TP70) 19, Panasonic Deutschland Aquarea [WH-ADC0309K3E5AN / WH-UDZ03KE5] 61; Noise: Buderus Logaplus M WLW176i-4 AR TP70 (Logatherm WLW-4 MB AR + WLW176i-12 TP70) 87, Panasonic Deutschland Aquarea [WH-ADC0309K3E5AN / WH-UDZ03KE5] 32; Refrigerant: Buderus Logaplus M WLW176i-4 AR TP70 (Logatherm WLW-4 MB AR + WLW176i-12 TP70) 81, Panasonic Deutschland Aquarea [WH-ADC0309K3E5AN / WH-UDZ03KE5] 85; Connectivity & smart: Buderus Logaplus M WLW176i-4 AR TP70 (Logatherm WLW-4 MB AR + WLW176i-12 TP70) 50, Panasonic Deutschland Aquarea [WH-ADC0309K3E5AN / WH-UDZ03KE5] 50

Biggest differences

FactLogaplus M WLW176i-4 AR TP70 (Logatherm WLW-4 MB AR + WLW176i-12 TP70)Aquarea [WH-ADC0309K3E5AN / WH-UDZ03KE5]
SEER (cooling)2.366.29
Outdoor unit sound power40 dB(A)55 dB(A)
Rated output 55 °C4 kW3 kW
COP A2/W353.915.14
Seasonal efficiency ηs 35 °C179 %200 %
SCOP (35 °C)4.555.07
All specifications ↓

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

Technical specifications BuderusLogaplus M WLW176i-4 AR TP70 (Logatherm WLW-4 MB AR + WLW176i-12 TP70) Panasonic DeutschlandAquarea [WH-ADC0309K3E5AN / WH-UDZ03KE5]
Grants & market
Boiler Upgrade Scheme £7,500 – £9,000£7,500 – £9,000
Performance
Rated output 35 °C 4.4 kW ✓ 1 4 kW 1
Rated output 55 °C 4 kW ✓ 1 3 kW 1
Efficiency
SCOP (35 °C) 4.55 1 5.07 ✓ 1
SCOP (55 °C) 3.28 1 3.48 ✓ 1
Seasonal efficiency ηs 35 °C 179 % 1 200 % ✓ 1
Seasonal efficiency ηs 55 °C 128 % 1 136 % ✓ 1
COP A7/W35 4.82 1 5.33 ✓ 1
COP A2/W35 3.91 1 5.14 ✓ 1
COP A-7/W35 2.9 ✓ 1 2.8 1
SEER (cooling) 2.36 1 6.29 ✓ 1
Noise
Outdoor unit sound power 40 dB(A) ✓ 1 55 dB(A) 1
Indoor unit sound power 37 dB(A) ✓ 1 41 dB(A) 1
Refrigerant
Refrigerant R290 1 R32 1
Refrigerant charge 0.95 kg 1 0.9 kg ✓ 1
Electrical
Max. power input 3.2 kW 1 2.59 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