Kensa
Kensa Shoebox NG
4.4 6kW
A compact British ground-source unit ideal for flats and terraces on shared ground arrays — very high, stable efficiency and near-silent indoors.
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Specifications
| Heat output | 6 kW |
|---|---|
| Efficiency (SCOP) | 4.3 |
| Max flow temp | 65 °C |
| Refrigerant | R290 |
| Noise | 42 dB |
| Warranty | 7 yrs |
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.
Pros
- Excellent, stable SCOP
- Compact & quiet
- Works for flats via shared arrays
Cons
- High install cost (groundworks)
- Needs space to drill/dig