WARMATEK® Diesel Heater 2–8 kW 12/24 V – START & STOP / BLUETOOTH, Oulu

Updated display functions for 2025. More precise thermostat, adjustable Start–Stop thresholds and many other improvements. The heater comes with the most comprehensive configuration on the market.

WARMATEK Warmbox is an enclosed diesel air heater designed and developed in Finland for northern conditions.

The user interface and LCD display are designed and developed in Finland using user feedback and real-world experience. A safe and efficient heating solution for cold climates.

Designed in Finland – built from user needs

Warmbox is not a generic “one-size” heater but a Finland-designed package combining quality and practicality.

• Display and control system designed in Finland for usability and durability

• Upgraded components: quality glow plug, quiet fuel pump and reinforced combustion chamber

Versatile display

The LCD gathers all key functions:

• automatic, manual and switch-off temperature control (selectable in settings)

• weekly timer and scheduling

• Start/Stop function that maintains temperature by automatically switching the heater off and on

• Adjustable Start/Stop range: shutdown and start thresholds adjustable between 3–15 °C

• Ventilation mode, can also be used as a fan

• The thermostat is on the display (adjustable from 10–40 °C)

• Bluetooth control: start, adjust and schedule the heater directly from your phone

• Heater output adjustable from the settings

Safety and quality

• CE marked

• Software includes fault diagnostics and overheat protection

Operation and compatibility

The heater operates on 12 V or 24 V and is powered from the battery or a power supply (not included).
Fuel: diesel or heating oil.
Fuel consumption is only approx. 0.1 litres/kW, making the unit very economical.

Applications

Suitable for many uses, such as:

• greenhouses

• warehouses

• garages

• other small spaces where steady heat is needed without overheating

Package contents

• WARMATEK Warmbox heater unit

• LCD display

• Remote control

• Exhaust pipe and silencer

• Fuel hoses, suction pipe and intake air filter

• Air outlet pipe and air guide

• Power cables and grounding wires

• Installation accessories

• Finnish and Swedish manual

Technical specifications

• Operating voltage: 12 V / 24 V

• Fuel: Diesel / heating oil

• Heating power: 2,000–8,000 W (2–8 kW)

• Current consumption (12 V): 2–4 A

• Starting current (12 V): 10–13 A

• Fuel consumption: approx. 0.1 l/kW

• Dimensions: 34 x 25 x 37 cm (H x D x L)

• Warranty: 1 year

Why choose WARMATEK Warmbox?

• Designed and developed in Finland. The heater is continuously improved and updated displays are compatible with older WARMATEK models. If software changes are made, replacing the display is often enough to update the unit.

• Software and display built from user experience

• Quiet, efficient and long‑lasting

• Bluetooth control and LCD display make it easy to use

• CE marked and safe

• Spare parts and service in Finland, supported by knowledgeable customer service when needed.