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. Heater equipped with one of the market's most comprehensive option sets.

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

The user interface and LCD display have been 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 users' needs

Warmbox is not a generic “one‑size” product but a Finnish‑designed system that combines quality and practicality.

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

• Improved components: high‑quality glow plug, quiet fuel pump and reinforced combustion chamber

Versatile display

The LCD brings together 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: switch‑off and switch‑on thresholds adjustable between 3–15 °C

• Ventilation mode — can also be used as a fan

• Thermostat is in the display (temperature adjustable between 10–40 °C)

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

• Operating power adjustable in settings

Safety and quality

• CE approved

• Software fault diagnostics and overheat protection

Operation and compatibility

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

Applications

Suitable for many uses, such as:

• greenhouses

• storerooms

• garages

• other small spaces where steady heat is required without overheating

Package contents

• WARMATEK Warmbox heater unit

• LCD display

• Remote control

• Exhaust pipe and silencer

• Fuel hoses, pickup pipe and intake air filter

• Air inlet pipe and air director

• Power cables and grounding wires

• 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 per 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 fit directly to older WARMATEK models. If software changes are made, updating the display alone 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 a safe package

• Spare parts and service in Finland, with competent customer support when needed