Head to head
Joule Cyclone Air 150L Direct vs LG Therma V Monobloc S 9.00kW
The Joule Cyclone Air 150L Direct is a direct unvented hot water cylinder, 150 litres. The LG Therma V Monobloc S 9.00kW is a r32 monobloc air source heat pump, 9.00 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Joule Cyclone Air 150L Direct | LG Therma V Monobloc S 9.00kW | |
|---|---|---|
| Dimensions | 1196 x 540 x 540 mm (H x W x D) | 1239 x 1380 x 330 mm (H x W x D) |
| Capacity | 150 litres | - |
| Heat-up time | 57 minutes (full tank, 6kW immersion) | - |
| Immersion heater | 6kW (2 x 3kW) | - |
| Warranty | 1 year manufacturer's warranty | - |
| Heat output | - | 9.00 kW at 7C/35C flow |
| SCOP | - | 4.55 (average climate, 35C flow) |
| Refrigerant | - | R32, GWP 675 |
| Sound power | - | 61 dB(A) rated, 56 dB(A) low noise mode |
| Weight | - | 90.0 kg |
| Max flow temperature | - | 65C |
Sources: Joule Cyclone Air 150L Direct, LG Therma V Monobloc S 9.00kW. 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 Therma V Monobloc S 9.00kW if...
An LG Therma V Monobloc S rated at 9.00kW, using R32 refrigerant and reaching a 65C flow. A low noise mode drops the sound power to 56 dB(A), useful where the outdoor unit sits close to a boundary or window.
Full Therma V Monobloc S 9.00kW specifications →Common questions
What is the difference between the Joule Cyclone Air 150L Direct and the LG Therma V Monobloc S 9.00kW?
The Joule Cyclone Air 150L Direct is a direct unvented hot water cylinder, 150 litres; the LG Therma V Monobloc S 9.00kW is a r32 monobloc air source heat pump, 9.00 kW heat output.
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