Heat PumpDatabase

Kensa Shoebox NX

Specifications and technical data

Ground Source (GSHP)ResidentialR134a2.85 kW
ManufacturerKensa
ModelShoebox NX
Model codeS3NX-P0K
Heat pump typeGround Source (GSHP)
ApplicationResidential
RefrigerantR134a
ModeHeating only
Heating capacity2.85 kW
COP4.4 at B0/W35
SCOP4.53 at W55
Operating range (air)-5 to 15 °C
Flow temperatureup to 65 °C
Power input0.65 kW
Dimensions (H×W×D)627 × 554 × 570 mm
Weight86 kg
Sound power level40.5 dB(A) (Sound Power Level dB(A))
Data added2026-06-11
Data sourceKensa technical information sheet

Notes

Compact ground source heat pump for individual dwellings or shared ground array/networked heat pump applications.

Shoebox NX 3. Performance at B0/W35 to BS EN14511: rated output 2.85 kW, power consumption 0.65 kW, COP 4.4. B0/W55: power consumption 0.92 kW, COP 2.81. SCOP 35/55°C 4.53/3.47. Refrigerant charge 0.725 kg. Primary brine based on 0°C in/-4°C out; max inlet 15°C and min outlet -5°C. Max rated current 5.13 A; starting current 23.4 A. No built-in backup immersion heater.

Where to buy (UK)

AvailabilityDirect sales from manufacturer: Kensa

○ Awaiting verification

✎ 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.

More from Kensa

Other Ground Source (GSHP) heat pumps

Compare with other products

Open the interactive database →