• Installing an Auxiliary Heater Under the Passenger Seat with the Ducato Installation Kit

    Vehicles from the Ducato family offer very good conditions for a space-saving installation of an auxiliary heater under the passenger seat. The available space is generous, the line runs are short – and access to the tank is comparatively easy, too. Via the easily accessible tank console, the Easy fuel pickup from our Ducato installation…

  • Diesel Auxiliary Heater Smoking Heavily – Combustion Chamber Often Sooted Up

    If a diesel auxiliary heater starts badly, smokes heavily and soot or even diesel comes out of the exhaust, that points to a well-known problem: a sooted-up combustion chamber. It usually happens gradually, so you only notice the problem when the heater one day refuses to run at all. You get a first hint whether…

  • Why a Diesel Auxiliary Heater Doesn’t Belong on Gas Ducting

    If you want to retrofit a diesel air heater in your travel vehicle, one thought comes up quickly: “I’ll just keep using the existing warm-air ducting from my old Truma gas heater.” It does sound logical at first – but technically, unfortunately, it’s a really bad idea. Our technician Nico explains in detail why that…

  • Autoterm Heaters Approved for HVO100 – What You Should Know Now

    05.11.2025: As of now you can officially run your Autoterm diesel heater on HVO100 fuel. The approval came directly from the manufacturer today. But what exactly is HVO100, and what does it mean for you as the owner of a diesel camper or motorhome? What Is HVO100? HVO stands for Hydrotreated Vegetable Oil. The 100…

  • Diesel Auxiliary Heater in Autumn: The Most Important Questions

    Last updated: September 24, 2025 The best autumn start begins in summer.Many auxiliary heater problems that suddenly show up in autumn – smoke, aborted starts (error 13), harsh ticking, uneven running – happen because the heater hasn’t run at all for months. In the fine fuel lines (especially in the fuel pump), diesel can gum…

  • Installing & Retrofitting a Diesel Auxiliary Heater in a Camper & Motorhome – Everything You Need to Know

    Cozy warmth inside – a basic requirement for a successful camper trip For most campers, an auxiliary heater in the vehicle is a must – because freezing is definitely not part of the adventure. The diesel auxiliary heater in particular, planned in right from the build or retrofitted later, has become the preferred solution. Why?…

  • TIGHT SPACE – Autoterm Air 2D Now Available with 90° Air Outlet!

    Good news for everyone struggling with limited space when installing a heater in a camper: from now on you can get the popular Autoterm Air 2D diesel auxiliary heater from us not only in the standard version with a straight warm air outlet, but also in the new TIGHT SPACE variant with a 90° angle.…

  • Installing a Control Flap Correctly – How to Control the Warm Air in Your Camper

    When it comes to optimally controlling the warm air distribution in your camper, the control flap is an enormously helpful component. It lets you direct the airflow in a targeted way – meaning you can heat individual areas only when you really need it. Our technik-tiger Nico explains step by step how to install a…

  • Autoterm Push Control – Finally: Dual Control for Your Auxiliary Heater

    A new product is bringing joy to many auxiliary heater owners and prospective buyers right at the start of 2025. Dual control, meaning operating the heater from two control panels, is finally officially possible with a small upgrade. Bye-Bye Emergency Switch Input and Y-Cable Anyone who has been looking for a way to control their…

  • Installation Example: Hot Shower Kit 2.0 in the Ducato of Abenteuer Vanlife

    Tobi and Imke from the YouTube channel Abenteuer Vanlife have published a detailed video on installing our Hot Shower Kit 2.0, showing in detail how they install the included combiBOIL hot water boiler and the Autoterm Air 2D auxiliary heater in their Fiat Ducato. While you should generally treat YouTube videos about such installations with…

  • Spare Parts for Autoterm Auxiliary Heaters: What You Should Carry on Your Travels

    Autoterm auxiliary heaters are known for their reliability, even under harsh conditions. Still, especially on long trips, a problem can come up now and then; no manufacturer’s products are immune to that. One clear advantage of Autoterm, though, is that the simple technology is extremely repair-friendly, so even a layperson can get it running again…

  • How to Make Your Autoterm Auxiliary Heater Ready for Overland Travel & Offroading

    Autoterm auxiliary heaters come from the factory with all the components needed to run safely and efficiently. With our Camper Kits and installation kits, you also get everything you need to install one and keep your travel vehicle warm. For trips to regions with unpaved roads, however, it’s a good idea to take a few…

  • Underfloor Mounting of Autoterm Auxiliary Heaters – Why We Often Advise Against It

    Underfloor mounting of auxiliary heaters such as the Autoterm Air 2D and 4D looks very attractive to many people, especially in smaller campers – the heater doesn’t take up any space inside, and the operating noise “stays outside”. So why not simply install the heater underfloor? Our answer in customer support is often: “Better not!”…

  • Autoterm Control Panels Compared – Heating Modes, Features, Handling

    With Autoterm auxiliary heaters you can choose between various control panels. They are essentially the control center of your heating system and offer different settings and features. To make the choice easier for you, we want to compare the control panels here and explain how the different operating modes work. Which Heating Modes Are There…

  • Hot Shower Kit 2.0 Installation Guide

    Hot Shower Kit 2.0 Installation Guide

    Are you interested in the Hot Shower Kit 2.0, or have you even bought one already? A good decision, because thanks to the high quality of its components the Hot Shower Kit 2.0 will be a reliable companion on your travels for a long time, and you will surely soon not want to be without…

  • Troubleshooting Auxiliary Heater Problems Caused by Undervoltage

    Troubleshooting Auxiliary Heater Problems Caused by Undervoltage

    Too little power (more precisely: insufficient voltage) can be behind a wide range of problems with the auxiliary heater in your camper. Typical symptoms include the heater shutting off while running, or the control panel staying black. This article is meant to help you fix heater malfunctions caused by voltage problems / undervoltage and, where…

  • Travel Box 2.0: Autoterm Presents New Portable Heating Solution

    Travel Box 2.0: Autoterm Presents New Portable Heating Solution

    If you want to stay warm not only in a camper with a permanently installed auxiliary heater but also in a rooftop tent, for example, you may be tempted to build your own heater with a power supply and accessories into a portable box. That takes time, practical know-how and skill, plus a certain range…

  • Changed Temperature Mode on All Autoterm Heaters

    Changed Temperature Mode on All Autoterm Heaters

    Autoterm Responds to Customer Requests Autoterm has responded to a request from many heater users and changed the way the temperature mode works on all heaters (this affects all the different control panels). Until now, when the preset target temperature was reached, the heater turned down to its lowest power level (or to one that…

  • When the Water System Needs an Upgrade – Travel Experience from First Hand

    When the Water System Needs an Upgrade – Travel Experience from First Hand

    New continent, new challenges – why does the water quality in Africa call for an upgrade to Defender Olga’s water system? Benefit from the experience of world travelers Martina and Toby of Olga on Tour with water filtering and water pressure for planning your own travel vehicle. Around the World with Defender Olga January 2023:…

  • Heating a Motorhome with the Sibirien Diesel Stove – Q & A

    Heating a Motorhome with the Sibirien Diesel Stove – Q & A

    The Sibirien diesel stove is a real eye-catcher. This little gem doesn’t take up much space in a camper, works completely silently, and the dancing flames behind the viewing window give off an incredible coziness along with the heat. But is the stove suitable for your motorhome? What do you need to keep in mind…

  • Auxiliary Heater Conversion in Las Vegas – Syncro Time [Video Documentary]

    Auxiliary Heater Conversion in Las Vegas – Syncro Time [Video Documentary]

    Anyone who travels in a vehicle can tell you: things on the camper have to be adjusted, converted or replaced along the way. In this case, Kathrin and Marc from Syncro Time had trouble with the auxiliary heater of their VW T4 Syncro during their trip through America. Good thing we at tigerexped developed an…

  • Replacing the Eberspächer D3L in the VW T4 – TÜV-Compliant with an Autoterm Auxiliary Heater

    Replacing the Eberspächer D3L in the VW T4 – TÜV-Compliant with an Autoterm Auxiliary Heater

    Step by step to replacing an old Eberspächer auxiliary heater – here’s how. TÜV-compliant, even as a DIY conversion without a specialist workshop! Eberspächer Auxiliary Heater in the VW T4 Depending on how it was originally ordered, the VW T4 came with a factory-fitted auxiliary heater and air ducts routed through the body. After years…

  • TWIN Kit – The All-in-One Solution for Sizing Your Auxiliary Heater

    TWIN Kit – The All-in-One Solution for Sizing Your Auxiliary Heater

    It’s sometimes crazy: you want to heat a travel vehicle (a relatively large one, over 16 cubic meters of interior) and get different answers on the right heater sizing at every turn. Whether 2kW or 4kW – opinions truly divide sometimes. We ourselves have been preaching for years: “Install the small one, it’s perfectly enough“.…

  • Dos & Don’ts When Installing an Air Auxiliary Heater

    Dos & Don’ts When Installing an Air Auxiliary Heater

    Based on experience, we want to point out a few recurring installation mistakes here, and to compare correct and unfavorable installations of Autoterm Air 2D and 4D (formerly Planar) air auxiliary heaters. This information does not replace the installation instructions! Please follow the detailed notes in them for flawless operation. Air Ducting Do Don’t All…

  • Retrofitting an Underfloor Auxiliary Heater in a VW T5 / T6 – Here’s How

    Retrofitting an Underfloor Auxiliary Heater in a VW T5 / T6 – Here’s How

    This guide to retrofitting an Autoterm diesel auxiliary heater with an underfloor bracket in a VW T5 / T6 was created together with some of our installation partners and shows the use of our tigerexped installation kit with an Autoterm Air 2D (formerly Planar 2D) air heater.  Please note: If you install it yourself, you do so at…

  • Autoterm Comfort Control – New Control Panel After tigerexped Test

    Autoterm Comfort Control – New Control Panel After tigerexped Test

    The recent announcement of the new “Comfort Control” control panel for Autoterm auxiliary heaters has already triggered a “burning desire” in many of you. No wonder – the new control panel significantly improves many functions and the overall use. But when can you actually buy it? We want to answer exactly this question for you…

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