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Window Unit – cooling system for equipment rooms

The Lumikko Window Unit is a cooling system for equipment rooms, designed to provide reliable cooling and heating for technical and operations spaces year-round. The unit is easy to install and does not require a refrigerant license; it is mounted directly into a wall opening, plugged into a power outlet, and is immediately ready for use. The temperature can be set to the desired level directly from the unit’s control panel.

Max cooling capacity: 4 kW
Heating capacity: 5 kW option
Refrigerant: R407c
Operating voltage: 230V / 50 Hz
Power: 7,8A
Measures: 600 x 435 x 600 mm
Weight: 55 kg
Operating temperature. -35 – +35 °C
Control: Thermostat

Are you interested? Schedule a meeting at a time that suits you or leave us a message.


Mika Sorri

Head of Electrification

+358 40 685 3657 mika.sorri@lumikko.fi Book a meeting