4kW Universal Diesel Heater Kit 12v

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SKU: 105394
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The 4kW AUTOTERM Air 4D Diesel Heater Kit (Previously PLANAR 44D) is a versatile heating solution designed for various applications, including vans, campers, trucks, off-highway vehicles, boats, and yachts.

Sale price£551.46 GBP Regular price£783.12 GBP

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4kW Universal Diesel Heater Kit 12v

The 4kW AUTOTERM Air 4D Diesel Heater Kit (Previously PLANAR 44D) is a versatile heating solution designed for various applications, including vans, campers, trucks, off-highway vehicles, boats, and yachts. Built to ISO 9002 standards and approved for whole-vehicle use in road vehicles (E2 R10 and E2 R122), this diesel-powered air heater is a reliable choice for providing comfort and warmth in low-temperature environments.

The kit includes a control unit with a high altitude sensor, and it now comes with a FREE Silent Fuel Pump. The heater has a heating power of 4 kW, capable of quickly heating up to 168 m3 space hourly. With low fuel consumption (0.51 l/h on maximum power) and economic operation, it offers efficient heating at a reasonable price.

Featuring brushless induction motors for low noise levels and a long lifetime, the AUTOTERM Air 4D can operate in extreme environments with temperatures as low as -45°C/-49°F. The kit includes essential components for installation, such as a fuel pump with a mounting bracket, exhaust with silencer, fuel dip fuel tube, fuel line, power cable with an integral fuse box, control panel cable, fuel pump power cable, exhaust heat lagging, and a selection of nuts and bolts.

Control options include various control panels or remote control via iOS or Android smartphones (remote control modem sold separately). Whether heating large truck cabins, commercial vehicle cabins, cargo compartments, campers, motorhomes, or boats/yachts up to 48 ft/15 m, the AUTOTERM Air 4D is a reliable and cost-effective solution.


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Key Features

Explore key features below:

AUTOTERM Air 4D is one of the most popular diesel-powered air heaters from Air series.

The heater unit draws fresh air from the outside or from a well-ventilated room, then heats it up quickly, thus providing comfort and warmth in low temperature environments.

The heater’s maximum power output is 4 kW, and it is capable of heating up 168 m3 space hourly, and maintaining your desired temperature.

AUTOTERM Air 4D is highly versatile when it comes to installation and can be easily retrofitted in almost any land vehicle, marine transport vehicle and is supplied with a full installation kit, whether you choose the 12V or the 24V DC version.

AUTOTERM Air 4D with its economic fuel consumption of 0.51 l/h on maximum power is a highly rated product for its low and reasonable price.

All AUTOTERM Air series heaters are equipped with brushless induction motors that ensure low noise levels as well as a long lifetime for the device and the capability to operate in extreme environments and temperatures as low as -45°C/-49°F.

AUTOTERM Air heaters can be controlled with various control panels or remotely via your iOS or Android smartphone (remote control modem sold separately).

This is a great product for those who need to additionally heat large truck cabins, commercial vehicle cabins and cargo compartments, campers, motorhomes or boats/yachts of up to 48 ft/15 m.


Kit contains:  

  • Fuel pump with mounting bracket
  • 1 meter of exhaust with silencer
  • 1 fuel dip fuel tube and fuel line 
  • 1 power cable with integral fuse box
  • 1 control panel cable
  • 1 fuel pump power cable
  • A silencer air intake
  • 1 exhaust heat lagging
  • A selection of nuts and bolts.


Specification Value
Heating Power 4 kW
Fuel Diesel
Voltage 12V / 24V
Heated Air Volume Low 70 m3/h - High 168 m3/h
Power Consumption Low 10W - High 57W
Fuel Consumption Low 0.12 l/h - High 0.51 l/h
Weight 25.5kg
Heater Dimensions 402mm x 157mm x 188mm
Application Vans, Campers, Trucks, Off-Highway, Boats/Yachts
Control Unit High Altitude Sensor Included

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