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Espar / Eberspacher Airtronic D2 12v (2.2kW) Heater Kit

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  • Espar / Eberspacher EasyStart Select Controller - Image 01
  • Espar / Eberspacher EasyStart Timer For Airtronic and Hydronic Heaters 221000341500


Ideal for travelling and camping in high altitudes, this 12V Espar Airtronic D2 diesel heater is a powerful and economical heater. It can operate at altitudes up to 7200 ft (2,200 m) and offers 4 heat output levels, plus an air ventilation mode.


The Airtronic D2 is easy to control with 4 heating settings, for a maximum heat output of 7,500BTU.

Designed with comfort in mind, the Airtronic D2 is easy to install and maintain.

Combined with the High-Altitude Kit, the Espar D2 can reliably function at altitudes up to 9,900ft (3,000m).

The D2 provides precise heating for your camper thanks to the internal temperature sensor.

Save on maintenance, fuel, storage, and campground fees thanks to an efficient and lightweight design

The GoSun Camp 365 off-grid trailer unfolds in under 10 minutes into a 100 sq.ft. spacious camper.

A built-in water purifying system and power station to store solar energy let you stay on the road for longer.

This off-grid camper includes all the household appliances for comfortable living on the road.


The Espar D2 diesel heater is the most popular 2KW heater on the market. Its compact dimensions make it ideal for both internal and external installations. The D2 stays fuel-efficient thanks to its efficient combustion chamber and heat exchanger configuration.

Featuring an internal temperature sensor, the D2 lets you control your camper’s climate with precision. For additional accuracy, you can also configure this Espar diesel heater to use a second external temperature sensor.


The Eberspacher Airtronic D2 12V 2.2KW heater kit is a complete air heating system for your camper. It includes everything, from the air heater and fuel line, to the exhaust muffler and electrical harnesses.

You will also find all the brackets, screws, and clamps necessary for an easy installation. This all-in-one kit lets you get the most from your Airtronic D2.

Finally, the EasyStart Pro controller puts all the controls of this powerful system at your fingertips.


What really sets the Espar D2 Heater kit apart from other economical heaters is its ability to be used at high altitudes. Espar’s unique altitude adjustment feature means that it can work at 7,200ft (2,200 m), around 700 meters higher than its competitors. And if you want to use your Espar D2 even higher than that, you can purchase the special High Altitude kit.

The Espar D2 is also fully customisable, which is important if you want to fine-tune your kit. The heater is compatible with LIN, CAN, and S+ protocols, giving you greater freedom for custom builds.


4 modes of heating operation let you tune the 2KW diesel heater to any climate.

Integrated temperature control sensor for greater precision when setting the temperature.

Compatible with LIN, CAN, and S+ communication protocols for better customization.

Dynamic altitude adjustment lets you reach higher altitudes without manual adjustments.

Innovative design and super efficient solar-powered appliances.

Durable and lightweight all-aluminum frame is immune to mold or rust.

A complete electricity system, powered entirely by solar panels.

100 square feet of customizable open space to fit all your needs.


Fuel Type
Heat Output
2200W (7500BTU)
Fuel Consumption
0.02 - 0.07 gal/h (0.1 - 0.28 l/h)
Power Consumption
8 - 34W
Rated Voltage
External Dimensions
12.2 x 4.5 x 4.8in (310 x 115 x 122mm)


  • Espar / Eberspacher airtronic D2 heater
  • Fuel pump (12v)
  • Fuel hose
  • Fuel T piece kit
  • Controller of your choice
  • Exhaust Silencer / Muffler
  • Electrical harnesses
  • Stainless steel exhaust pipe - approx. 90cm
  • Combustion intake pipe
  • Flexible ducting (60 mm. diameter)
  • Inlet / Outlet grills
  • Air outlet grill (60 mm. diameter)
  • Screws, clips and plastic straps required for installation
  • Installation manual CD
  • Warranty documentation


Installation, servicing and maintenance must be done in accordance with manufacturer’s guidelines. Failure to follow these guidelines will result in voiding your warranty. 

We provide free technical and installation support via email or phone to all of our customers who purchase a heater, heater kit or other products from Heatso. We take pride in our customer service and want to ensure that your heater system is properly installed. As a result, if you have any difficulties, please do not hesitate to contact us at [email protected].

If you require removing and/or refitting your item, please visit a local professional or authorised specialist, if you can not find one you can contact us and we will try to recommend a local partner to assist with the task. The cost of removing and/or refitting this item is not covered by the warranty.

Standard/Premium Warranty Terms for Espar/Eberspacher or Webasto Heaters & Heater kits

2 Years + optional 1 year extended Warranty available

If the item has failed within warrantable conditions:

  1. Please fill out the contact form on the “Contact us” page.
  2. A representative will contact you within 24 business hours to confirm the details and assist you further.
  3. If the product needs to be inspected by our service engineer, we will provide shipping labels for you to print and attach before handing over to our courier for collection.
  4. The shipping label will contain instructions for arranging pickup at your location or drop off at a nearby FedEx location. Follow these instructions to pass the package to FedEx.
    1. *The Label must be attached to the packages before leaving the package with FedEx.
    2. *You can also choose to drop off the item at a FedEx post office instead of requesting a courier collection.
    3. *If after inspection it appears that the item is not warrantable and the malfunction is caused by a non-warrantable condition, we will kindly ask you to cover shipping expenses at a discounted flat rate.
  5. On average, diagnostics of heaters and their parts takes 3 to 4 working days from the moment the item has reached our warehouse.
    1. *The diagnostics report is provided by a manufacturer approved authorised service centre.
  6. If during diagnostics it was concluded that the fault falls under non-warrantable conditions, our customer support will reach out to you and provide you with an estimated repair cost.
    1. *Please note that we strive to provide the lowest possible repair prices.
  7. Under normal circumstances it can take 3-7 working days after diagnostics to repair most minor malfunctions.
    1. *Please note that each case is unique and your repairs may take longer depending on the fault.


*Please note that all deadlines above are approximate and everything depends on the specific details of each case.

**If your item has been installed by a third party, please save all the documentation.This documentation can help find and fix the fault faster.

28 Reviews Hide Reviews Show Reviews

  • 5
    good service

    Posted by Nathan on 16th Sep 2014

    fast shipping and a good product

  • 5
    Wonderfully compact air heater

    Posted by Rick on 4th Jul 2014

    A truly impressive feat of engineering. Thank you Heatso

  • 5
    Very good servece

    Posted by Ole M. from greenland on 10th Jun 2014

    Very fast shipping to Greenland,
    I take pakking today, so I believe now
    it possible to handle wiht you ;-)
    Thank you very mutch..

  • 5

    Posted by Bill on 4th Mar 2014

    Very fast shipping, and very helpfull and professional sevice.
    My best recommendation.

  • 5

    Posted by Tim on 19th Jan 2014

    Alles super gelaufen, danke.

  • 5
    Airtronic D2

    Posted by Jonah on 10th Jan 2014

    Pedido recibido en perfecto estado

  • 5
    Prima Heizung

    Posted by Lorenz on 21st Dec 2013

    Sehr guter, kompletter Einbausatz.

  • 5
    5 stars

    Posted by Filip P on 19th Dec 2013

    thank you very much, very good heater!! greetings from Croatia

  • 5

    Posted by Franco on 12th Dec 2013

    All ok fast shipping to Italy.