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

Updated display functions for 2025: a more precise thermostat, adjustable start–stop thresholds and many other improvements. The most comprehensively equipped heater on the market.

WARMATEK Warmbox is a casement 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 operating 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 user‑friendliness and durability

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

Versatile display

The LCD gathers all key functions:

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

• weekly timer and scheduling

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

• Start/Stop adjustability — the off and restart gap is adjustable between 3–15 °C

• ventilation mode, can also be used as a fan

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

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

• heater output adjustable via settings

Safety and quality

• CE marked.

• Software fault diagnostics and overheat protection

Operation and compatibility

The heater operates on 12 V or 24 V and is powered from a battery or power supply (not included).
Fuel: diesel or heating oil.
Fuel consumption is only approx. 0.1 l/kW, so the unit is very economical.

Applications

Suitable for many uses, such as:

• greenhouses

• storerooms

• garages

• other small spaces requiring 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 outlet pipe and air guide

• power cables and earth leads

• 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/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 developed and updated displays are compatible with older WARMATEK models — a display swap is often enough for software updates.

• 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 package

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