Head to head
Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW vs Samsung EHS Mono HT Quiet 12.0kW
The Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW is a r32 monobloc air source heat pump, 11.2 kw heat output. The Samsung EHS Mono HT Quiet 12.0kW is a r32 monobloc air source heat pump, 12.0 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW | Samsung EHS Mono HT Quiet 12.0kW | |
|---|---|---|
| Heat output | 11.2 kW at -7C outdoor / 35C flow | 12.0 kW |
| SCOP | 4.78 (MCS, 35C flow), 3.34 (55C flow) | 4.90 (35C flow), 3.78 (55C flow) |
| Refrigerant | R32, 3.0 kg charge | R32, 3.3 kg charge |
| Dimensions | 1020 x 1050 x 480 mm (H x W x D) | 1018 x 1270 x 530 mm (H x W x D) |
| Weight | 119 kg | 137 kg |
| Max flow temperature | 55C (space heating), 35C (combination heater) | 70C |
| Sound power | 60 dBA | - |
| Sound pressure at 1m | 45 dBA | - |
| Sound pressure | - | 46 dB(A) standard, 35 dB(A) night mode |
Sources: Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW, Samsung EHS Mono HT Quiet 12.0kW. 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 EHS Mono HT Quiet 12.0kW if...
A 12.0kW unit for a larger house, with the highest SCOP quoted across the EHS Mono HT Quiet range at 4.90 on a 35C flow. It shares the same cabinet size as the 8kW model but weighs 11 kg more for the larger compressor.
Full EHS Mono HT Quiet 12.0kW specifications →Common questions
What is the difference between the Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW and the Samsung EHS Mono HT Quiet 12.0kW?
The Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW is a r32 monobloc air source heat pump, 11.2 kW heat output; the Samsung EHS Mono HT Quiet 12.0kW is a r32 monobloc air source heat pump, 12.0 kW heat output.
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