Dimplex SI (SIK 6TES)
Specifications and technical data
Ground Source (GSHP)ResidentialR410A5.9 kW
| Manufacturer | Dimplex |
|---|---|
| Model | SI |
| Model code | SIK 6TES |
| 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 | 5.9 kW |
| Max heating output (low temp) | 4.9 kW at B-5/W45 |
| COP (heating) | 4.7 at B0/W35 |
| Operating range (air) | -5 to 25 °C |
| Heating flow temperature | 20–62 °C |
| Power input | 2.7 kW |
| Electrical supply | 380-415V (Three Phase) |
| Dimensions (H×W×D) | 1110 × 650 × 655 mm |
| Operational Weight | 129 kg |
| Sound power level | 42 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 5.9 kW ground source heat pump, using R410A refrigerant (model SIK 6TES).
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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.
TERRA
Ochsner · TERRA 6 HPLB
- Capacity
- 5.9 kW
- SCOP
- 5.23 (W35)
- Sound power
- 43 dB(A)
- Refrigerant
- R410A
Shoebox 6kW (400V)
Kensa · S6-P0K
- Capacity
- 6 kW
- SCOP
- 3.45 (W55)
- Sound power
- 52 dB(A)
- Refrigerant
- R134a
- Price
- ~£6,200
QG
Qvantum · QG-7
- Capacity
- 6 kW
- SCOP
- 4.96 (W35)
- Sound power
- 39 dB(A)
- Refrigerant
- R290
- Price
- ~£4,817
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Other Ground Source (GSHP) heat pumps
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WZS
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WZS
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