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Eberspacher Airtronic B4 12v

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Autonomous cabin benzin/petrol/gasoline air heater Eberspacher Airtronic B4 12V - reliable device with a power 4 kW. Model is suitable for use in 12v vans and small cargo compartments of trucks.

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Data sheet

ManufacturerEberspacher (Germany)
Capacity, Watt (max - min)4.000 - 1.000
The consumption of, Watt (max - min)40 - 7
Fuel rate, L|h (max - min)0,54-0,13
Fuel typePetrol | Benzin | Gasoline
Voltage12 V
Weight, kg4,5
Dimensions, mm376 х 140 х 150

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Petrol, Gasoline, Benzin Air Heater Eberspacher Airtronic B4 12v with Fuel Pump

Eberspacher Airtronic B4 benzin (gasoline, petrol) air heater is a compact and economical heater for your motorhome or caravan. No other air heater react so fast and sensible to temperatur differnces and act concerning to this. The smallest air heater on the market. The B4 offers optimised fuel efficiency, a range of operation modes and unsurpassed safety standards. It comes complete with everything you will need for installation.

Airtronic B4 body
Eberspacher B4 Heater features:
  • Programmable independent heating (does not use heat from the engine).
  • For all types of road.
  • Certified for installation in passenger areas and in proximity to dangerous substances.
  • Factory assembled components for easy "Plug and Play" installation.
  • Electronic speed control with continuous monitoring.
  • Low noise ideal for your motorhome or caravan.
  • Low power and fuel consumption.
  • Continious monitoring.
  • Fan function possible for air circulation.
  • Diagnostic system for easy fault finding.

dPowerfull Heater Airtronic B4

max.3800 Watt = 12 974 BTU
min. 1300 Watt = 4 438 BTU

Airtronic D2 Heater
High quality of the Heater is guaranteed by the impeccable reputation of Eberspacher manufacturer, as one of the recognized leaders of the world market by heating solutions
Airtronic D2 Heater warranty

The characteristics of Airtronic B4

VoltageV12 V
Heating LevelPowerHighMediumLow
Heating CapacityW3800320021001300
Heating CapacityBTU129741092671704438
Air Throughputm3h18516012085
Power RequirementsW4024159
Fuel Consumptionlhr0.510.380.250.13
Dimension (L x W x H)mm376 х 140 х 150

Airtronic D4 dimensionsAirtronic D4 dimensions

Characteristics and dimensions of Airtronic B4 are comparable to Planar 44D and Webasto Airtop 40, also suitable for regular seats to replace the heater.


All orders are sent well packed, protected for safe transportation. Each parcel has its own tracking number and may be tracked any time during the shipping.

The time of delivery

Europe14-18 Days
United Kingdom
North America
South America*20-28 Days
New Zealand*

* Delivery costs to marked countries may be different from listed. Please contact us to clarify final cost

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Installation manual for air heater Eberspacher/Espar Airtronic D2/D4

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