Head to head
Joule Cyclone Air 150L Direct vs Joule Cyclone 200L Indirect
The Joule Cyclone Air 150L Direct is a direct unvented hot water cylinder, 150 litres. The Joule Cyclone 200L Indirect is a indirect unvented hot water cylinder, 200 litres.
Last reviewed 13 September 2026
Specifications side by side
| Joule Cyclone Air 150L Direct | Joule Cyclone 200L Indirect | |
|---|---|---|
| Capacity | 150 litres | 200 litres |
| Dimensions | 1196 x 540 x 540 mm (H x W x D) | 1490 mm high x 540 mm diameter |
| Heat-up time | 57 minutes (full tank, 6kW immersion) | - |
| Immersion heater | 6kW (2 x 3kW) | - |
| Warranty | 1 year manufacturer's warranty | - |
| Weight | - | 47 kg |
| Material | - | Duplex stainless steel |
| ErP rating | - | C |
Sources: Joule Cyclone Air 150L Direct, Joule Cyclone 200L Indirect. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Cyclone Air 150L Direct if...
A 150 litre direct unvented cylinder from Joule's Cyclone range, heated by twin immersion elements rather than a boiler or heat pump coil. It suits a property with electric-only heating or a holiday let, reheating a full tank in around 57 minutes.
Full Cyclone Air 150L Direct 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 Joule Cyclone Air 150L Direct and the Joule Cyclone 200L Indirect?
The Joule Cyclone Air 150L Direct is a direct unvented hot water cylinder, 150 litres; the Joule Cyclone 200L Indirect is a indirect unvented hot water cylinder, 200 litres.
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