Head to head
Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW vs Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW
The Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW is a r32 monobloc air source heat pump, 6.0 kw heat output. 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
| Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW | Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW | |
|---|---|---|
| Heat output | 6.0 kW at -7C outdoor / 35C flow | 8.5 kW at A-7/W35 |
| Refrigerant | R32 | R32, 2.2 kg charge |
| Sound power | 60 dBA | 58 dBA |
| Sound pressure at 1m | 45 dBA | 45 dBA |
| Dimensions | 1020 x 1050 x 480 mm (H x W x D) | 1020 x 1050 x 480 mm (H x W x D) |
| Weight | 98 kg | 98 kg |
| Max flow temperature | 55C (space heating) | 55C (space heating) |
| SCOP | 3.20 (35C flow), 3.30 (55C flow) | - |
| ErP rating | - | 145% (MCS certified) |
Sources: Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW, 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 Ecodan PUZ-WM60VAA 6.0kW if...
A 6.0kW R32 monobloc heat pump sized for a well-insulated flat or small house. It is quoted at SCOP 3.20 at a 35C flow temperature, and Mitsubishi Electric's accredited installer scheme extends cover on the unit. It weighs 98 kg and stands 1020mm tall.
Full Ecodan PUZ-WM60VAA 6.0kW 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 Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW and the Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW?
The Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW is a r32 monobloc air source heat pump, 6.0 kW heat output; 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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