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. The most comprehensively equipped heater on the market.

WARMATEK Warmbox is a sealed diesel air heater designed and developed in Finland for northern conditions.

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

Designed in Finland – from users’ needs

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 usability and durability

• Upgraded components: high‑quality glow plug, quiet fuel pump and strengthened 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: off/on temperature gap adjustable between 3–15 °C

• ventilation mode – can also be used as a fan

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

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

• heater power adjustable in settings

Safety and quality

• CE approved

• software includes fault diagnostics and overheat protection

Operation and compatibility

The heater runs on 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 l/kW, making the unit very economical.

Applications

Suitable for many uses, such as:

• greenhouses

• warehouses

• 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, suction pipe and air intake filter

• air inlet pipe and air vane

• power cables and grounding wires

• installation accessories

• Finnish and Swedish user manual

Technical specifications

• Supply 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 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 updated – updated displays fit directly to older WARMATEK models. If software changes are made, a display swap 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 operation easy

• CE marked and a safe complete solution

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