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

Updated display features for 2025. More precise thermostat, adjustable Start/Stop thresholds and many other improvements. The most comprehensively equipped heater on the market.

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

The user interface and LCD display are developed in Finland using user feedback and real‑world experience. A safe and efficient heating solution for northern climates.

Designed in Finland — from users' needs

Warmbox is not a generic “one‑size” model but a Finland‑designed complete solution 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 gathers all key functions:

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

• weekly timer and scheduling

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

• Adjustable Start/Stop: shutdown/start interval 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

• Heater output 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 from the battery or a power supply (not included).
Fuel: diesel or heating oil.
Fuel consumption is only approx. 0.1 l/kW, so the unit is very economical.

Use cases

Suitable for many applications, such as:

• greenhouses

• warehouses

• garages

• other small spaces that require 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 guide

• Power cables and grounding wires

• Installation accessories

• 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

• Start current (12 V): 10–13 A

• Fuel consumption: approx. 0.1 l/kW

• Dimensions: 34 × 25 × 37 cm (H × W × 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 and you want to update the unit, replacing the display alone is enough.

• 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 system

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