Heat pumps · Compare

Bosch Compress CS5800iAW 12 ORM-T (AW 12 OR-T + CS5800iAW 12 M) vs Panasonic Deutschland AQUAREA [WH-WXG12ME8 + WH-SDC0316M9E8]

SCOP (35 °C): Bosch Compress CS5800iAW 12 ORM-T (AW 12 OR-T + CS5800iAW 12 M) 4.64, Panasonic Deutschland AQUAREA [WH-WXG12ME8 + WH-SDC0316M9E8] 4.73. The Panasonic Deutschland AQUAREA [WH-WXG12ME8 + WH-SDC0316M9E8] is better on 9 of 14 comparable points.

Who wins where

  • Bosch Compress CS5800iAW 12 ORM-T (AW 12 OR-T + CS5800iAW 12 M)
  • Panasonic Deutschland AQUAREA [WH-WXG12ME8 + WH-SDC0316M9E8]
PerformanceEfficiencyNoiseRefrigerantConnectivity & smart
Performance: Bosch Compress CS5800iAW 12 ORM-T (AW 12 OR-T + CS5800iAW 12 M) 63, Panasonic Deutschland AQUAREA [WH-WXG12ME8 + WH-SDC0316M9E8] 63; Efficiency: Bosch Compress CS5800iAW 12 ORM-T (AW 12 OR-T + CS5800iAW 12 M) 26, Panasonic Deutschland AQUAREA [WH-WXG12ME8 + WH-SDC0316M9E8] 52; Noise: Bosch Compress CS5800iAW 12 ORM-T (AW 12 OR-T + CS5800iAW 12 M) 73, Panasonic Deutschland AQUAREA [WH-WXG12ME8 + WH-SDC0316M9E8] 65; Refrigerant: Bosch Compress CS5800iAW 12 ORM-T (AW 12 OR-T + CS5800iAW 12 M) 36, Panasonic Deutschland AQUAREA [WH-WXG12ME8 + WH-SDC0316M9E8] 29; Connectivity & smart: Bosch Compress CS5800iAW 12 ORM-T (AW 12 OR-T + CS5800iAW 12 M) 50, Panasonic Deutschland AQUAREA [WH-WXG12ME8 + WH-SDC0316M9E8] 50

Biggest differences

FactCompress CS5800iAW 12 ORM-T (AW 12 OR-T + CS5800iAW 12 M)AQUAREA [WH-WXG12ME8 + WH-SDC0316M9E8]
SEER (cooling)2.785.34
Outdoor unit sound power45 dB(A)53 dB(A)
COP A-7/W352.42.79
Indoor unit sound power40 dB(A)35 dB(A)
Refrigerant charge1.6 kg1.78 kg
COP A7/W354.85.06
All specifications ↓

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

Technical specifications BoschCompress CS5800iAW 12 ORM-T (AW 12 OR-T + CS5800iAW 12 M) Panasonic DeutschlandAQUAREA [WH-WXG12ME8 + WH-SDC0316M9E8]
Grants & market
Boiler Upgrade Scheme £7,500 – £9,000£7,500 – £9,000
Performance
Rated output 35 °C 12 kW 1 12 kW 1
Rated output 55 °C 12 kW 1 12 kW 1
Efficiency
SCOP (35 °C) 4.64 1 4.73 ✓ 1
SCOP (55 °C) 3.48 1 3.65 ✓ 1
Seasonal efficiency ηs 35 °C 183 % 1 186 % ✓ 1
Seasonal efficiency ηs 55 °C 136 % 1 143 % ✓ 1
COP A7/W35 4.8 1 5.06 ✓ 1
COP A2/W35 4.45 1 4.65 ✓ 1
COP A-7/W35 2.4 1 2.79 ✓ 1
SEER (cooling) 2.78 1 5.34 ✓ 1
Noise
Outdoor unit sound power 45 dB(A) ✓ 1 53 dB(A) 1
Indoor unit sound power 40 dB(A) 1 35 dB(A) ✓ 1
Refrigerant
Refrigerant R290 1 R290 1
Refrigerant charge 1.6 kg ✓ 1 1.78 kg 1
Electrical
Max. power input 7.45 kW 1 9.84 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