Head to head
Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW vs Viessmann Vitodens 050-W 35kW combi
The Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW is a r32 monobloc air source heat pump, 6.0 kw heat output. The Viessmann Vitodens 050-W 35kW combi is a gas combi boiler, 34.2 kw hot water output.
Last reviewed 13 September 2026
Specifications side by side
| Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW | Viessmann Vitodens 050-W 35kW combi | |
|---|---|---|
| Dimensions | 1020 x 1050 x 480 mm (H x W x D) | 700 x 400 x 300 mm |
| Heat output | 6.0 kW at -7C outdoor / 35C flow | - |
| SCOP | 3.20 (35C flow), 3.30 (55C flow) | - |
| Refrigerant | R32 | - |
| Sound power | 60 dBA | - |
| Sound pressure at 1m | 45 dBA | - |
| Weight | 98 kg | - |
| Max flow temperature | 55C (space heating) | - |
| Hot water output | - | 34.2 kW |
| Central heating output | - | 32 kW |
| ErP class | - | A |
| Seasonal efficiency | - | 93% |
| Warranty | - | 3 years |
| Hot water flow rate | - | 14.1 litres per minute |
Sources: Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW, Viessmann Vitodens 050-W 35kW combi. 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 Vitodens 050-W 35kW combi if...
A gas combi boiler with 34.2 kW of hot water output, sized for a larger house with two bathrooms. It delivers about 14.1 litres per minute of hot water, which decides how well a shower runs while a tap is on. Warranty: 3 years. Seasonal efficiency is 93%.
Full Vitodens 050-W 35kW combi specifications →Common questions
What is the difference between the Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW and the Viessmann Vitodens 050-W 35kW combi?
The Mitsubishi Electric Ecodan PUZ-WM60VAA 6.0kW is a r32 monobloc air source heat pump, 6.0 kW heat output; the Viessmann Vitodens 050-W 35kW combi is a gas combi boiler, 34.2 kW hot water output.
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