Head to head
Grant Aerona3 R32 17kW vs Grant Aerona3 R32 6kW
The Grant Aerona3 R32 17kW is a r32 inverter driven air source heat pump, 17 kw heat output. The Grant Aerona3 R32 6kW is a r32 inverter driven air source heat pump, 6 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Grant Aerona3 R32 17kW | Grant Aerona3 R32 6kW | |
|---|---|---|
| Heat output | 17 kW | 6 kW |
| SCOP | 4.54 (35C flow), 3.57 (55C flow) | 4.61 (35C flow), 3.29 (55C flow) |
| Refrigerant | R32 | R32 |
| Dimensions | 1418 x 1024 x 403 mm (H x W x D) | 675 x 898 x 379.4 mm (H x W x D) |
| Weight | 118 kg | 51 kg |
| Warranty | 7 years when installed by a Grant G1 accredited installer | 7 years when installed by a Grant G1 accredited installer |
Sources: Grant Aerona3 R32 17kW, Grant Aerona3 R32 6kW. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Aerona3 R32 17kW if...
A 17kW R32 inverter driven heat pump from Grant's Aerona3 range, a common choice for off-gas-grid homes that previously ran an oil boiler. It carries a 7 year warranty through Grant's G1 installer scheme, one of the longer standard terms in this category.
Full Aerona3 R32 17kW specifications →Buy or hire the Aerona3 R32 6kW if...
A 6kW R32 inverter driven heat pump from Grant's Aerona3 range, a common choice for off-gas-grid homes that previously ran an oil boiler. It carries a 7 year warranty through Grant's G1 installer scheme, one of the longer standard terms in this category.
Full Aerona3 R32 6kW specifications →Common questions
What is the difference between the Grant Aerona3 R32 17kW and the Grant Aerona3 R32 6kW?
The Grant Aerona3 R32 17kW is a r32 inverter driven air source heat pump, 17 kW heat output; the Grant Aerona3 R32 6kW is a r32 inverter driven air source heat pump, 6 kW heat output.
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