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

Updated display features for 2025. More accurate thermostat, adjustable Start-Stop thresholds and many other improvements. A heater equipped with one of the market’s most comprehensive configurations.

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 northern climates.

Designed in Finland – driven by user needs

Warmbox is not a generic “one-size-fits-all” unit but a Finnish-designed solution combining quality and practicality.

• Finnish-designed display and control system, developed for usability and durability

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

Versatile display

The LCD contains all key functions:

• automatic, manual and 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: the off/on temperature gap is adjustable between 3–15 °C

• Ventilation mode, can also be used as a fan

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

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

• Heater power adjustable from the settings

Safety and quality

• CE-approved

• Software includes fault diagnostics and overheat protection

Operation and compatibility

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

Applications

Suitable for many uses, such as:

• greenhouses

• storerooms

• garages

• other small spaces requiring steady heat 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 inlet pipe and air director

• Power cables and earth leads

• Installation accessories

• Finnish and Swedish user manual

Technical specifications

• Operating voltage: 12 V / 24 V

• Fuel: Diesel / heating oil

• Heating power: 2,000–8,000 W

• Current consumption (12 V): 2–4 A

• Starting current (12 V): 10–13 A

• Fuel consumption: approx. 0.1 l/kW

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

• Warranty: 1 year

Why choose WARMATEK Warmbox?

• Designed and developed in Finland. The heater is continually developed; updated displays fit directly into older WARMATEK models. If software changes and you want to update the unit, replacing the display is often sufficient.

• Software and display built on user experience

• Quiet, efficient and long-lasting

• Bluetooth control and LCD display make operation easy

• CE-marked and safe

• Spare parts and service in Finland, with knowledgeable customer support if needed