Kensa
Kensa Shoebox NG
B4.4 6kW
A compact British ground-source unit ideal for flats and terraces on shared ground arrays, with very high, stable efficiency and near-silent indoors.
6kW
Heat output
4.3
Efficiency (SCOP)
65°C
Max flow temp
R290
Refrigerant
42dB
Noise
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Our verdict
Ground source costs more upfront (the ground loop is the expense) but rewards you with the best, most consistent efficiency. The Shoebox makes it viable even in compact homes.
Good
- Excellent, stable SCOP
- Compact & quiet
- Works for flats via shared arrays
Watch out
- High install cost (groundworks)
- Needs space to drill/dig
Specifications
| Heat output | 6 kW |
|---|---|
| Efficiency (SCOP) | 4.3 |
| Max flow temp | 65 °C |
| Refrigerant | R290 |
| Noise | 42 dB |
| Warranty | 7 yrs |