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Bosch Compress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi) vs Panasonic Aquarea [WH-SXC09K9E8 + WH-UQZ09KE8]

SCOP (35 °C): Bosch Compress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi) 5.04, Panasonic Aquarea [WH-SXC09K9E8 + WH-UQZ09KE8] 4.44. The Bosch Compress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi) is better on 8 of 14 comparable points.

Who wins where

  • Bosch Compress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi)
  • Panasonic Aquarea [WH-SXC09K9E8 + WH-UQZ09KE8]
PerformanceEfficiencyNoiseRefrigerantConnectivity & smart
Performance: Bosch Compress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi) 67, Panasonic Aquarea [WH-SXC09K9E8 + WH-UQZ09KE8] 69; Efficiency: Bosch Compress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi) 51, Panasonic Aquarea [WH-SXC09K9E8 + WH-UQZ09KE8] 39; Noise: Bosch Compress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi) 78, Panasonic Aquarea [WH-SXC09K9E8 + WH-UQZ09KE8] 31; Refrigerant: Bosch Compress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi) 64, Panasonic Aquarea [WH-SXC09K9E8 + WH-UQZ09KE8] 53; Connectivity & smart: Bosch Compress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi) 50, Panasonic Aquarea [WH-SXC09K9E8 + WH-UQZ09KE8] 50

Biggest differences

FactCompress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi)Aquarea [WH-SXC09K9E8 + WH-UQZ09KE8]
Indoor unit sound power34 dB(A)46 dB(A)
COP A2/W353.774.8
Seasonal efficiency ηs 55 °C152 %125 %
SCOP (55 °C)3.883.2
Refrigerant charge1.37 kg1.6 kg
Outdoor unit sound power51 dB(A)58 dB(A)
All specifications ↓

Score per area = position (0–100) relative to all 1350 models in this category; higher is better.

Technical specifications BoschCompress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi) PanasonicAquarea [WH-SXC09K9E8 + WH-UQZ09KE8]
General
Type (source) Air-to-water 1 Air-to-water 1
Performance
Rated output 35 °C 12.5 kW 1 13 kW ✓ 1
Rated output 55 °C 12.5 kW 1 13 kW ✓ 1
Efficiency
SCOP (35 °C) 5.04 ✓ 1 4.44 1
SCOP (55 °C) 3.88 ✓ 1 3.2 1
Seasonal efficiency ηs 35 °C 199 % ✓ 1 175 % 1
Seasonal efficiency ηs 55 °C 152 % ✓ 1 125 % 1
COP A7/W35 4.46 1 5.03 ✓ 1
COP A2/W35 3.77 1 4.8 ✓ 1
COP A-7/W35 2.99 1 3.25 ✓ 1
SEER (cooling) 4.41 ✓ 1 4.12 1
Noise
Outdoor unit sound power 51 dB(A) ✓ 1 58 dB(A) 1
Indoor unit sound power 34 dB(A) ✓ 1 46 dB(A) 1
Refrigerant
Refrigerant R290 1 R32 1
Refrigerant charge 1.37 kg ✓ 1 1.6 kg 1
Electrical
Max. power input 6.2 kW 1 6.6 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