Head to head
Daikin Altherma 3 H HT EPRA14DV3 vs Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW
The Daikin Altherma 3 H HT EPRA14DV3 is a r32 monobloc high-temperature air source heat pump, class 14. 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
| Daikin Altherma 3 H HT EPRA14DV3 | Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW | |
|---|---|---|
| Heat output | 10.17 kW (nominal heating) | 8.5 kW at A-7/W35 |
| Refrigerant | R32, 4.2 kg charge | R32, 2.2 kg charge |
| Dimensions | 990 x 1270 x 460 mm (H x W x D) (outdoor unit) | 1020 x 1050 x 480 mm (H x W x D) |
| Weight | 146 kg (single-phase) (outdoor unit) | 98 kg |
| Max flow temperature | 70C | 55C (space heating) |
| SCOP | 4.51-4.71 (35C flow), 3.57-3.58 (55C flow) | - |
| Sound pressure | 43 dBA (heating) | - |
| ErP rating | - | 145% (MCS certified) |
| Sound power | - | 58 dBA |
| Sound pressure at 1m | - | 45 dBA |
Sources: Daikin Altherma 3 H HT EPRA14DV3, 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 Altherma 3 H HT EPRA14DV3 if...
A high-temperature monobloc heat pump reaching a 70C flow, aimed squarely at replacing a boiler on an existing radiator system without upgrading radiators. Its class 14 size gives around 10.2kW of heat output, suiting a three or four-bed house.
Full Altherma 3 H HT EPRA14DV3 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 Daikin Altherma 3 H HT EPRA14DV3 and the Mitsubishi Electric Ecodan PUZ-WM85VAA 8.5kW?
The Daikin Altherma 3 H HT EPRA14DV3 is a r32 monobloc high-temperature air source heat pump, class 14; 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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