Head to head
Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW vs Samsung EHS Mono HT Quiet 8.0kW
The Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW is a r32 monobloc air source heat pump, 8.5 kw heat output. The Samsung EHS Mono HT Quiet 8.0kW is a r32 monobloc air source heat pump, 8.0 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW | Samsung EHS Mono HT Quiet 8.0kW | |
|---|---|---|
| Heat output | 8.5 kW at A-7/W35 | 8.0 kW |
| Refrigerant | R32, 2.2 kg charge | R32, 2.7 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 | 98 kg | 126 kg |
| Max flow temperature | 55C (space heating) | 70C |
| ErP rating | 145% (MCS certified) | - |
| Sound power | 58 dBA | - |
| Sound pressure at 1m | 45 dBA | - |
| SCOP | - | 4.64 (35C flow), 3.38 (55C flow) |
| Sound pressure | - | 42 dB(A) standard, 35 dB(A) night mode |
Sources: Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW, Samsung EHS Mono HT Quiet 8.0kW. Figures vary by model year and options, so check with the supplier before you commit.
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 →Buy or hire the EHS Mono HT Quiet 8.0kW if...
An 8.0kW R32 monobloc heat pump sized for a small to medium house, reaching a 70C flow for radiator retrofits. A night mode sound setting brings it down to 35 dB(A), which suits a property with a neighbouring wall close to the outdoor unit.
Full EHS Mono HT Quiet 8.0kW specifications →Common questions
What is the difference between the Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW and the Samsung EHS Mono HT Quiet 8.0kW?
The Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW is a r32 monobloc air source heat pump, 8.5 kW heat output; the Samsung EHS Mono HT Quiet 8.0kW is a r32 monobloc air source heat pump, 8.0 kW heat output.
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