Head to head
Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW vs Vaillant aroTHERM plus 10kW
The Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW is a r32 monobloc air source heat pump, 11.2 kw heat output. The Vaillant aroTHERM plus 10kW is a r290 monobloc air source heat pump, 10 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW | Vaillant aroTHERM plus 10kW | |
|---|---|---|
| Heat output | 11.2 kW at -7C outdoor / 35C flow | 10 kW |
| SCOP | 4.78 (MCS, 35C flow), 3.34 (55C flow) | up to 5.03 |
| Refrigerant | R32, 3.0 kg charge | R290 (propane), low GWP |
| Max flow temperature | 55C (space heating), 35C (combination heater) | 75C |
| Sound power | 60 dBA | - |
| Sound pressure at 1m | 45 dBA | - |
| Dimensions | 1020 x 1050 x 480 mm (H x W x D) | - |
| Weight | 119 kg | - |
Sources: Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW, Vaillant aroTHERM plus 10kW. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Ecodan PUZ-WM112VAA 11.2kW if...
The largest domestic unit in the Ecodan PUZ-WM range at 11.2kW, sized for a larger house or one with a higher heat loss. Its SCOP of 4.78 at a 35C flow is among the higher MCS-rated figures in this range, and it weighs 119 kg against 98 kg for the smaller units.
Full Ecodan PUZ-WM112VAA 11.2kW specifications →Buy or hire the aroTHERM plus 10kW if...
The larger aroTHERM plus, sized for a bigger house with a higher heat loss. It keeps the same R290 refrigerant and 75C maximum flow temperature as the smaller units in the range, so it can usually work with existing radiators.
Full aroTHERM plus 10kW specifications →Common questions
What is the difference between the Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW and the Vaillant aroTHERM plus 10kW?
The Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW is a r32 monobloc air source heat pump, 11.2 kW heat output; the Vaillant aroTHERM plus 10kW is a r290 monobloc air source heat pump, 10 kW heat output.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.