Head to head
Joule Cyclone 200L Indirect vs Worcester Bosch Greenstar 5800i AW 7kW
The Joule Cyclone 200L Indirect is a indirect unvented hot water cylinder, 200 litres. The Worcester Bosch Greenstar 5800i AW 7kW is a r290 monobloc air source heat pump, 7.97 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Joule Cyclone 200L Indirect | Worcester Bosch Greenstar 5800i AW 7kW | |
|---|---|---|
| Dimensions | 1490 mm high x 540 mm diameter | 800 x 1100 x 540 mm (H x W x D) |
| Weight | 47 kg | 143 kg |
| Capacity | 200 litres | - |
| Material | Duplex stainless steel | - |
| ErP rating | C | - |
| Heat output | - | 7.97 kW at 7/35C |
| SCOP | - | 4.54 (MCS, 35C flow) |
| Refrigerant | - | R290 (propane) |
| Sound pressure | - | 42 dB(A) |
| Max flow temperature | - | 75C |
Sources: Joule Cyclone 200L Indirect, Worcester Bosch Greenstar 5800i AW 7kW. Figures vary by model year and options, so check with the supplier before you commit.
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 →Buy or hire the Greenstar 5800i AW 7kW if...
The larger 5800i AW unit, for a slightly bigger house than the 5kW model while sharing the same cabinet size and 42 dB(A) sound rating. Its R290 refrigerant and 75C flow temperature suit a radiator-based retrofit.
Full Greenstar 5800i AW 7kW specifications →Common questions
What is the difference between the Joule Cyclone 200L Indirect and the Worcester Bosch Greenstar 5800i AW 7kW?
The Joule Cyclone 200L Indirect is a indirect unvented hot water cylinder, 200 litres; the Worcester Bosch Greenstar 5800i AW 7kW is a r290 monobloc air source heat pump, 7.97 kW heat output.
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