Acond Aconomis (4 kW)
Specifications and technical data
Also known as: Acond Aconomis S
✓ BUS eligibleAir Source (ASHP)ResidentialR2904 kW
| Manufacturer | Acond |
|---|---|
| Model | Aconomis |
| Model code | 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 only |
| Heating capacity | 4 kW |
| Max heating output (low temp) | 2.74 kW at A7/W35 |
| COP (heating) | 5.08 at A7/W35 |
| SCOP (heating) | 4.89 at W35 |
| Operating range (air) | -25 to 38 °C |
| Heating flow temperature | 20–75 °C |
| Electrical supply | 220-240V (Single Phase) |
| Dimensions (H×W×D) | 650 × 1060 × 450 mm |
| Operational Weight | 85 kg |
| Sound power level | 53 dB(A) (Sound Power LW(A)) |
| Data added | 2026-07-09 |
| Data source | Manufacturer Data Sheet |
| Verification | Verified by a human |
| Boiler Upgrade Scheme | ✓ BUS eligible — Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026). Grant also needs an MCS-certified installer and a qualifying system design. Funding guide |
| PEL certificate no. | 037-0183-24 |
| MCS certification | ✓ MCS listed |
| MCS certificate no. | 037-0183-24 |
| MCS listing | View on MCS ↗ |
Check noise at a neighbour’s window (MCS 020 a) →
Acond Aconomis is a 4 kW air source heat pump, providing heating and cooling, using R290 refrigerant.
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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.
Reviews & further reading
- Manufacturer ACOND - Revolutionary Heat Pumps — AcondCovers the wider Acond range
- Review Acond PRO-R Heat Pump — Renewable Heating Hub
- Review ACOND heat pumps — BuildHub forum
►how to log in to your Acond heat pump over the internet using a web browserACOND
►ACOND hoge temperatuur warmtepompEco2all BVAlternatives to consider
Three Air Source (ASHP) heat pumps from other manufacturers closest in capacity to this one.
Compress 5800i AW 4
Bosch · 8738213464
- Capacity
- 4 kW
- SCOP
- 4.58 (W35)
- Sound power
- 40 dB(A)
- Refrigerant
- R290
- Price
- £3,145.48–£4,197.50
Logic Air 4kW
Ideal Heating · AH750664
- Capacity
- 4 kW
- SCOP
- 4.96 (W55)
- Sound power
- 52 dB(A)
- Refrigerant
- R32
- Price
- £2,569.24–£2,962.32
PEM750
Navien · PEM750V004PGKC
- Capacity
- 4 kW
- SCOP
- 4.86 (W35)
- Sound power
- 55 dB(A)
- Refrigerant
- R290
- Price
- £2,730–£3,227.31
More from Acond
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Grandis-R
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PRO
ASHP · 9 kW · BUS eligible
PRO
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Aconomis
ASHP · 7.5 kW · SCOP 4.75 · BUS eligible
Grandis-N
ASHP · 3.54 kW · SCOP 5.38 · BUS eligible
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