Grant UK
Grant Aerona3
B4.4 6kW
UK-climate-optimised monobloc with a long warranty and a strong reputation among independent installers.
6kW
Heat output
3.7
Efficiency (SCOP)
65°C
Max flow temp
R32
Refrigerant
48dB
Noise
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Our verdict
A dependable, fairly priced choice that UK installers know well. Efficiency trails the R290 leaders but it's a solid all-rounder backed by good support.
Good
- Good value
- UK-optimised
- Well-liked by installers
Watch out
- Lower SCOP
- R32 refrigerant
Specifications
| Heat output | 6 kW |
|---|---|
| Efficiency (SCOP) | 3.7 |
| Max flow temp | 65 °C |
| Refrigerant | R32 |
| Noise | 48 dB |
| Min operating temp | -25 °C |
| Type | Monobloc |
| Warranty | 7 yrs |