Dimplex SI (26.7 kW)

Specifications and technical data

Ground Source (GSHP)CommercialR410A26.7 kW

Manufacturer	Dimplex
Model	SI
Model code	SI 26TU
Heat pump type	Ground Source (GSHP)
Application	Commercial
Refrigerant	R410A
Mode	Heating only
Heating capacity	26.7 kW
Max heating output (low temp)	22.5 kW at B-5/W45
COP (heating)	5.1 at B0/W35
Operating range (air)	-5 to 25 °C
Heating flow temperature	20–62 °C
Power input	10 kW
Electrical supply	380-415V (Three Phase)
Dimensions (H×W×D)	880 × 1000 × 750 mm
Operational Weight	275 kg
Sound power level	57 dB(A) (Sound Power LW(A))
Data added	2026-07-05
Data source	Manufacturer Data Sheet
MCS certification	✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS certificate no.	MCS HP0017/35
MCS listing	View on MCS ↗

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Dimplex SI is a 26.7 kW ground source heat pump, using R410A refrigerant.

✓ Manually verified by Heat Pump Database

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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.