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

Updated display functions for 2025. More accurate thermostat, adjustable start–stop thresholds and many other improvements. Heater equipped with one of the most comprehensive configurations on the market.

The WARMATEK Warmbox is a cased 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 – built around user needs

The Warmbox is not a generic “one-size” model but a Finnish-designed unit combining quality and practicality.

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

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

Versatile display

The LCD brings together all the key functions:

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

• weekly timer and scheduling

• Start/Stop function that maintains temperature by stopping and starting the heater automatically

• Adjustable Start/Stop: shut‑off and restart 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 from your phone

• Heater power adjustable in the settings

Safety and quality

• CE approved.

• Software includes fault diagnostics and overheat protection

Operation and compatibility

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

Applications

Suitable for many applications, such as:

• greenhouses

• warehouses

• garages

• other small spaces where even heat is required without overheating

Package contents

• WARMATEK Warmbox heater unit

• LCD display

• Remote control

• Exhaust pipe and silencer

• Fuel hoses, pick‑up pipe and intake air filter

• Air inlet pipe and air guide

• Power cables and earth leads

• Installation accessories

• User manual in Finnish and Swedish

Technical specifications

• Operating voltage: 12 V / 24 V

• Fuel: diesel / heating oil

• Heating power: 2000–8000 W

• Current consumption (12 V): 2–4 A

• Starting current (12 V): 10–13 A

• Fuel consumption: approx. 0.1 litres/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 developed and updated displays are compatible with older WARMATEK models. If the software changes and you want to update the unit, replacing the display is enough.

• Software and display built from user experience

• Quiet, efficient and durable

• Bluetooth control and LCD make operation easy

• CE‑marked and a safe package

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