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Bosch Compress 5800i AW 4
Model code: 8738213464
✓ BUS eligible✓ MCS listedAir Source (ASHP)ResidentialHeating only
Heating capacity
4 kW
SCOP
4.58
W35
COP
4.37
A7/W35
Max flow temp
75°C
Sound power
40 dB(A)
Refrigerant
R290
Boiler Upgrade Scheme
✓ BUS eligible
Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026).
PEL certificate: MCS HP0329/05
Grant also needs an MCS-certified installer and a qualifying system design.
MCS certification
✓ MCS listed
Certificate: MCS HP0329/05
| General | |
|---|---|
| Heat pump type | Air Source (ASHP) |
| Application | Residential |
| Refrigerant | R290 |
| Mode | Heating only |
| Heating performance | |
| Heating capacity | 4 kW |
| COP (heating) | 4.37 at A7/W35 |
| SCOP (heating) | 4.58 at W35 |
| Operating range (air) | from -22 °C |
| Heating flow temperature | up to 75 °C |
| Cooling performance | |
| EER (cooling) | 3.37 |
| Electrical, acoustic and physical | |
| Power input | 3.65 kW |
| Electrical supply | 220-240V (Single Phase) |
| Sound power level | 40 dB(A) (Sound Power LW(A)) |
| Dimensions (H×W×D) | 800 × 1100 × 540 mm |
| Operational Weight | 143 kg |
Test conditions: A = outdoor air °C, W = flow water °C (e.g. A7/W35 = 7°C air, 35°C flow). Compare COP and SCOP only at the same conditions.