Head to head
Grant Aerona3 R32 17kW vs Joule Cyclone 200L Indirect
The Grant Aerona3 R32 17kW is a r32 inverter driven air source heat pump, 17 kw heat output. The Joule Cyclone 200L Indirect is a indirect unvented hot water cylinder, 200 litres.
Last reviewed 13 September 2026
Specifications side by side
| Grant Aerona3 R32 17kW | Joule Cyclone 200L Indirect | |
|---|---|---|
| Dimensions | 1418 x 1024 x 403 mm (H x W x D) | 1490 mm high x 540 mm diameter |
| Weight | 118 kg | 47 kg |
| Heat output | 17 kW | - |
| SCOP | 4.54 (35C flow), 3.57 (55C flow) | - |
| Refrigerant | R32 | - |
| Warranty | 7 years when installed by a Grant G1 accredited installer | - |
| Capacity | - | 200 litres |
| Material | - | Duplex stainless steel |
| ErP rating | - | C |
Sources: Grant Aerona3 R32 17kW, Joule Cyclone 200L Indirect. 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 Cyclone 200L Indirect if...
A 200 litre indirect cylinder from Joule's Cyclone range, built in duplex stainless steel with a high recovery coil for use with a boiler or heat pump. It suits a three or four-bed house with a standard hot water demand.
Full Cyclone 200L Indirect specifications →Common questions
What is the difference between the Grant Aerona3 R32 17kW and the Joule Cyclone 200L Indirect?
The Grant Aerona3 R32 17kW is a r32 inverter driven air source heat pump, 17 kW heat output; the Joule Cyclone 200L Indirect is a indirect unvented hot water cylinder, 200 litres.
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