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Mitsubishi Electric

Ecodan PUZ-WM85VAA 8.5kW

R32 monobloc air source heat pump, 8.5 kW heat output

Last reviewed 13 September 2026

Specifications

Heat output8.5 kW at A-7/W35
ErP rating145% (MCS certified)
RefrigerantR32, 2.2 kg charge
Sound power58 dBA
Sound pressure at 1m45 dBA
Dimensions1020 x 1050 x 480 mm (H x W x D)
Weight98 kg
Max flow temperature55C (space heating)

Figures taken from the manufacturer: source. Specifications change by model year and configuration - confirm with the supplier before relying on them.

Who uses it

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.

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