Head to head
Joule Cyclone Air 150L Direct vs Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW
The Joule Cyclone Air 150L Direct is a direct unvented hot water cylinder, 150 litres. The Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW is a r32 monobloc air source heat pump, 8.5 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Joule Cyclone Air 150L Direct | Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW | |
|---|---|---|
| Dimensions | 1196 x 540 x 540 mm (H x W x D) | 1020 x 1050 x 480 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 | - | 8.5 kW at A-7/W35 |
| ErP rating | - | 145% (MCS certified) |
| Refrigerant | - | R32, 2.2 kg charge |
| Sound power | - | 58 dBA |
| Sound pressure at 1m | - | 45 dBA |
| Weight | - | 98 kg |
| Max flow temperature | - | 55C (space heating) |
Sources: Joule Cyclone Air 150L Direct, Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW. 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 Ecodan PUZ-WM85VAA 8.5kW if...
An 8.5kW R32 monobloc heat pump, the middle unit in the Ecodan PUZ-WM line and a common size for a three-bed house. It runs on a single-phase 220-240V supply, weighs 98 kg and reaches a 55C flow temperature for radiator systems.
Full Ecodan PUZ-WM85VAA 8.5kW specifications →Common questions
What is the difference between the Joule Cyclone Air 150L Direct and the Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW?
The Joule Cyclone Air 150L Direct is a direct unvented hot water cylinder, 150 litres; the Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW is a r32 monobloc air source heat pump, 8.5 kW heat output.
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