Heliotherm Solid Air Large Split (39.7 kW)
Specifications and technical data
✓ BUS eligibleAir Source (ASHP)Commercial39.7 kW
| Manufacturer | Heliotherm |
|---|---|
| Model | Solid Air Large Split |
| Model code | S40L-M-SOLID |
| Heat pump type | Air Source (ASHP) All Air Source heat pumps → |
| Application | Commercial All Commercial heat pumps → |
| Mode | Heating only |
| Heating capacity | 39.7 kW |
| Max heating output (low temp) | 39.7 kW at A-10/W35 |
| SCOP (heating) | 5.2 at W35 |
| Heating flow temperature | up to 62 °C |
| Dimensions (H×W×D) | 1602 × 687 × 715 mm |
| Operational Weight | 250 kg |
| Sound power level | 42 dB(A) (Sound Power LW(A)) |
| Data added | 2026-10-20 |
| Data source | Heliotherm Large Heat Pumps brochure |
| 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. | BBA 0136/37 |
| MCS certification | ✓ MCS listed |
| MCS certificate no. | BBA 0136/37 |
Check noise at a neighbour’s window (MCS 020 a) →
Heliotherm Solid Air split 40 kW large air-to-water heat pump, 39.7 kW design output, flow up to 62 °C, optional reversible cooling.
✎ Suggest a correction to this data
Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.
Alternatives to consider
Three Air Source (ASHP) heat pumps from other manufacturers closest in capacity to this one.
Ecodan CAHV
Mitsubishi Electric · CAHV-R450YA-HPB
- Capacity
- 40 kW
- SCOP
- 3.57 (W45)
- Sound power
- 72 dB(A)
- Refrigerant
- R454C
- Price
- ~£21,278
ECOMOD 290HT
Ideal Heating · ECOMOD 290HT 40kW
- Capacity
- 40.1 kW
- SCOP
- 4.09 (W35)
- Sound power
- 82 dB(A)
- Refrigerant
- R290
LW 300(L)
Alpha Innotec · LW 300(L)
- Capacity
- 39.43 kW
- COP
- 3.8 (A7/W35)
- Sound power
- 55 dB(A)
- Refrigerant
- R448A
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