Bosch Compress 5800i AW (6.8 kW) photo 1

Bosch Compress 5800i AW (6.8 kW) photo 2

Bosch Compress 5800i AW (6.8 kW) photo 3

Image courtesy of Bosch · click photo to enlarge

Bosch Compress 5800i AW (6.8 kW)

Specifications and technical data

Air Source (ASHP)ResidentialR2906.8 kW

Manufacturer	Bosch
Model	Compress 5800i AW
Model code	CS5800iAW 5 OR-S
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R290 All R290 heat pumps →
Mode	Heating & cooling
Heating capacity	6.8 kW
Max heating output (low temp)	5.45 kW at A-10/W35
COP (heating)	3.16 at A7/W35
SCOP (heating)	4.65 at W35
Operating range (air)	-23 to 45 °C
Heating flow temperature	15–75 °C
Electrical supply	220-240V (Single Phase)
Cooling capacity	3.67 kW
Max cooling output (high temp)	3.67 kW at A35/W7
Cooling flow temperature	7–25 °C
EER (cooling)	2.49 at A35/W7
Dimensions (H×W×D)	800 × 1100 × 540 mm
Operational Weight	143 kg
Sound power level	42 dB(A) (Sound Power LW(A))
Data added	2026-09-14
Data source	Manufacturer documentation (Bosch)
Verification	Verified by a human

Free data sheet (PDF) →

Check noise at a neighbour’s window (MCS 020 a) →

Bosch Compress 5800i AW outdoor unit, 5 kW class. Natural R290 refrigerant, GWP 3, 0.95 kg charge. 230 V single-phase. Reversible - heating and cooling. Flow temperature up to 75 °C from the heat pump alone. Four selectable low-noise operating modes.

Where to buy (UK)

UK Supplier	City Plumbing
UK Supplier	BHL
UK Supplier	Eco Wizard
UK Supplier	Plumbing Superstore
UK Supplier	Mr Central Heating

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Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.