Head to head
Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW vs Vaillant aroTHERM plus 7kW
The Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW is a r32 monobloc air source heat pump, 6.0 kw heat output. The Vaillant aroTHERM plus 7kW is a r290 monobloc air source heat pump, 7 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW | Vaillant aroTHERM plus 7kW | |
|---|---|---|
| Heat output | 6.0 kW at -7C outdoor / 35C flow | 7 kW |
| SCOP | 3.20 (35C flow), 3.30 (55C flow) | up to 5.03 |
| Refrigerant | R32 | R290 (propane), low GWP |
| Sound power | 60 dBA | 58 dB(A) at A7/W35, 60 dB(A) at A7/W55 |
| Dimensions | 1020 x 1050 x 480 mm (H x W x D) | 1565 x 1100 x 450 mm (H x W x D) |
| Weight | 98 kg | 194 kg (operating) |
| Max flow temperature | 55C (space heating) | 75C |
| Sound pressure at 1m | 45 dBA | - |
Sources: Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW, Vaillant aroTHERM plus 7kW. 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 aroTHERM plus 7kW if...
A mid-size aroTHERM plus for a typical three-bed house. It is taller and heavier than the 5kW unit, reflecting a larger outdoor cabinet, and shares the same R290 refrigerant and 75C maximum flow temperature.
Full aroTHERM plus 7kW specifications →Common questions
What is the difference between the Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW and the Vaillant aroTHERM plus 7kW?
The Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW is a r32 monobloc air source heat pump, 6.0 kW heat output; the Vaillant aroTHERM plus 7kW is a r290 monobloc air source heat pump, 7 kW heat output.
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