Reliable thermal management for demanding conditions – all year round
The Lumikko WBlock is a wall-mounted enclosure cooling unit designed for containersvehicles, and industrial applications, ensuring reliable thermal management in extreme conditions.
Wblock combines energy-efficient inverter technology, easy commissioning, and a modular structure – the solution adapts to your needs.


Why choose Wblock?
- Reliable in extreme conditions. Designed to operate in ambient temperatures from -40 °C to +50 °C. Suitable for both arctic and hot environments.
- Energy-efficient. The compressor-integrated inverter adjusts power according to demand, reducing energy consumption, balancing load, and extending service life.
- Easy to use. Operation is simple: set the target temperature, and the thermostat automatically maintains the conditions.
- Flexible control and measurement. The control panel can be freely positioned. An external temperature sensor enables accurate measurement exactly where needed.
- Fresh air function. Integrated fresh air function eliminates the need for a separate supply air fan.
- Modular and customizable. Wblock can be configured to meet specific requirements. Multiple voltage and heating options are available.
Enclosure cooling unit designed for critical applications
Wblock is especially suitable for environments where temperature control is critical for the reliable operation of equipment and systems.
Typical applications:
Separate spaces and equipment rooms
Electrical and control cabinets, technical rooms, infrastructure sites
Containers and mobile solutions
Containerized solutions for the defence sector
Vehicles and mobile units
Special vehicles, field units, and mobile workstations
Industrial environments
Process areas and production environments where equipment is exposed to vibration
| Technical information | |
|---|---|
| Cooling capacity: | 2,5 kW |
| Heating capacity: | 1,5 kW (6 kW diesel heater as an option) |
| Refrigerant: | R134a or R513a |
| Operating voltage: | 24 VDC / 230 VAC, or both via selector switch |
| Measures: | 1140 × 430 × 430 mm (main unit) |
| Weight: | 80 kg |
| Environmental conditions: | -40 °C – +50 °C |
| Control: | Thermostat |
Installation and commissioning
Wblock is quick and easy to install. The wall-mounted design saves space and enables efficient airflow.
The control panel can be placed ergonomically, and the external temperature sensor ensures accurate measurement. The system operates automatically according to the set target temperature.
Options and accessories
Wblock is a modular solution that can be tailored to meet specific project requirements.
Available options include:
-
24 VDC and 230 VAC versions
-
1.5 kW heating option
-
6 kW Diesel heater option
-
Customized control solutions
-
Application-specific configurations
Ask for more – we will design the solution together.
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Mika Sorri
Head of Electrification
+358 40 685 3657 mika.sorri@lumikko.fi Connect on LinkedIn Book a meeting