Heat pumps · Compare

Bosch Compress CS8800iAW 15 O-T (B) vs Ningbo AUX Electric IU:ACHA-H/4R2EA19; OU:AC-H16/4R2EA(HA)

SCOP (35 °C): Bosch Compress CS8800iAW 15 O-T (B) 5.02, Ningbo AUX Electric IU:ACHA-H/4R2EA19; OU:AC-H16/4R2EA(HA) 4.77. The Bosch Compress CS8800iAW 15 O-T (B) is better on 9 of 13 comparable points.

Who wins where

  • Bosch Compress CS8800iAW 15 O-T (B)
  • Ningbo AUX Electric IU:ACHA-H/4R2EA19; OU:AC-H16/4R2EA(HA)
PerformanceEfficiencyNoiseRefrigerantConnectivity & smart
Performance: Bosch Compress CS8800iAW 15 O-T (B) 88, Ningbo AUX Electric IU:ACHA-H/4R2EA19; OU:AC-H16/4R2EA(HA) 83; Efficiency: Bosch Compress CS8800iAW 15 O-T (B) 68, Ningbo AUX Electric IU:ACHA-H/4R2EA19; OU:AC-H16/4R2EA(HA) 45; Noise: Bosch Compress CS8800iAW 15 O-T (B) 77, Ningbo AUX Electric IU:ACHA-H/4R2EA19; OU:AC-H16/4R2EA(HA) 22; Refrigerant: Bosch Compress CS8800iAW 15 O-T (B) 33, Ningbo AUX Electric IU:ACHA-H/4R2EA19; OU:AC-H16/4R2EA(HA) 52; Connectivity & smart: Bosch Compress CS8800iAW 15 O-T (B) 50, Ningbo AUX Electric IU:ACHA-H/4R2EA19; OU:AC-H16/4R2EA(HA) 50

Biggest differences

FactCompress CS8800iAW 15 O-T (B)IU:ACHA-H/4R2EA19; OU:AC-H16/4R2EA(HA)
Indoor unit sound power31 dB(A)41 dB(A)
Refrigerant charge1.7 kg1.35 kg
Outdoor unit sound power50 dB(A)60 dB(A)
COP A7/W355.384.5
Rated output 55 °C15 kW13 kW
COP A-7/W352.782.95
All specifications ↓

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

Technical specifications BoschCompress CS8800iAW 15 O-T (B) Ningbo AUX ElectricIU:ACHA-H/4R2EA19; OU:AC-H16/4R2EA(HA)
Grants & market
Boiler Upgrade Scheme £7,500 – £9,000£7,500 – £9,000
Performance
Rated output 35 °C 15 kW 1 15 kW 1
Rated output 55 °C 15 kW ✓ 1 13 kW 1
Efficiency
SCOP (35 °C) 5.02 ✓ 1 4.77 1
SCOP (55 °C) 4 ✓ 1 3.83 1
Seasonal efficiency ηs 35 °C 198 % ✓ 1 188 % 1
Seasonal efficiency ηs 55 °C 157 % ✓ 1 150 % 1
COP A7/W35 5.38 ✓ 1 4.5 1
COP A2/W35 4.61 ✓ 1 4.4 1
COP A-7/W35 2.78 1 2.95 ✓ 1
Noise
Outdoor unit sound power 50 dB(A) ✓ 1 60 dB(A) 1
Indoor unit sound power 31 dB(A) ✓ 1 41 dB(A) 1
Refrigerant
Refrigerant R290 1 R290 1
Refrigerant charge 1.7 kg 1 1.35 kg ✓ 1
Electrical
Max. power input 7.7 kW 1 7 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