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

Updated display features for 2025. More accurate thermostat, adjustable Start–Stop hysteresis and many other improvements. The heater comes with one of the most comprehensive equipment packages on the market.

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

The user interface and LCD display have been designed in Finland using customer feedback and real‑world experience. A safe and efficient heating solution for cold climates.

Designed in Finland – built around user needs

Warmbox is not a generic “one‑size” model but a Finland‑designed product combining quality and practicality.

• Finland‑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 gathers all key functions:

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

• weekly timer and scheduling

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

• Adjustable Start/Stop hysteresis: shutdown/restart interval adjustable from 3–15 °C

• Ventilation mode – can also be used as a fan

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

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

• Heater power adjustable from the 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 external power supply (not included).
Fuel: diesel or heating oil.
Fuel consumption is approx. 0.1 litres/kW, making the unit very economical.

Applications

Suitable for many uses, for example:

• greenhouses

• storage spaces

• 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, pickup tube and intake air filter

• Air inlet pipe and air guide

• Power cables and earth leads

• Fitting accessories

• Manual in Finnish and Swedish

Technical specifications

• Supply 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 improved and updated displays are compatible with older WARMATEK models. If software changes are made, updating the display alone is usually sufficient.

• Software and display designed based on user experience

• Quiet, efficient and long‑lasting

• Bluetooth control and LCD display make operation easy

• CE‑marked and safe

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