Dimplex SI (8.1 kW)
Specifications and technical data
Ground Source (GSHP)ResidentialR410A8.1 kW
| Manufacturer | Dimplex |
|---|---|
| Model | SI |
| Model code | SI 8TU |
| Heat pump type | Ground Source (GSHP) All Ground Source heat pumps → |
| Application | Residential All Residential heat pumps → |
| Refrigerant | R410A All R410A heat pumps → |
| Mode | Heating only |
| Heating capacity | 8.1 kW |
| Max heating output (low temp) | 6.5 kW at B-5/W45 |
| COP (heating) | 4.8 at B0/W35 |
| Operating range (air) | -5 to 25 °C |
| Heating flow temperature | 20–62 °C |
| Power input | 3.2 kW |
| Electrical supply | 380-415V (Three Phase) |
| Dimensions (H×W×D) | 840 × 650 × 555 mm |
| Operational Weight | 128 kg |
| Sound power level | 46 dB(A) (Sound Power LW(A)) |
| Data added | 2026-07-05 |
| Data source | Manufacturer Data Sheet |
| Verification | Verified by a human |
Dimplex SI is a 8.1 kW ground source heat pump, using R410A 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 Ground Source Heat Pumps — DimplexCovers the wider Dimplex range
Alternatives to consider
Three Ground Source (GSHP) heat pumps from other manufacturers closest in capacity to this one.
S1256
Nibe · S1256-8
- Capacity
- 1.5–8 kW
- SCOP
- 5.67 (W55)
- Sound power
- 43 dB(A)
- Refrigerant
- R454B
Calibra E
Thermia · Calibra E 8
- Capacity
- 2–8 kW
- SCOP
- 5.87 (W35)
- Sound power
- 32 dB(A)
- Refrigerant
- R452B
Vitocal 300-G BWC
Viessmann · Vitocal 300-G BWC 301.C06
- Capacity
- 1.7–8.6 kW
- SCOP
- 5.29 (W55)
- Sound power
- 39 dB(A)
- Refrigerant
- R410A
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Other Ground Source (GSHP) heat pumps
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WZS
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