Durable Warm Air Ducting – A Better Upgrade for Your Portable Diesel Heater

Your diesel heater is only as reliable as the components connected to it.

Our AUTOTERM (Planar) 2D and 4D portable diesel heaters are among our most popular products. They're powerful, reliable, and designed for demanding outdoor conditions.

But there's one component we've always felt could be better: the standard hot air ducting.

When using a portable diesel heater, ducting is regularly moved, bent, connected, disconnected, and exposed to outdoor conditions. Standard lightweight ducting can become damaged over time, making durability and material quality especially important.

That's why Expedition Upfitter sourced a specialized heavy-duty, heat-resistant hot air hose directly from the manufacturer in Germany.

Why Does Your Diesel Heater Ducting Matter?

Your diesel heater produces a significant amount of heat, and the ducting is responsible for transferring that warm air into your camper, rooftop tent, ice-fishing shelter, or other outdoor setup.

Damaged, crushed, or deteriorating ducting can restrict airflow and affect heater performance.

Choosing ducting specifically designed for high-temperature applications is an important part of maintaining a reliable heating system.

What Makes Our Extreme Hot Air Ducting Different?

Our EX-UP Extreme Hot Air Ducting offers several important advantages over conventional lightweight ducting:

• Heat resistant up to 130°C (266°F): Designed to withstand elevated temperatures associated with hot air applications.

• Metal-thread reinforced: Provides additional structural strength and resistance to tearing, bending, and everyday wear.

• UV resistant: Suitable for outdoor environments where prolonged sunlight can deteriorate ordinary materials.

• Chemical resistant: Designed to withstand exposure to various chemicals.

• Phthalate- and halogen-free: Manufactured without these substances, an important material consideration when selecting components for heated-air applications.

• Flexible and lightweight: Maintains flexibility for routing, installation, and storage without sacrificing durability.

Why We Source Directly from Germany

Not all hot air ducting is manufactured to the same specifications.

We wanted a product that could better withstand the demands of portable diesel heater use, particularly for customers who frequently set up and pack away their equipment.

Rather than sourcing generic replacement ducting, we went directly to the manufacturer in Germany to bring in this specialized product.

It's not your typical off-the-shelf ducting, and that's exactly why we decided to stock it.

Available for Both 2D and 4D Diesel Heaters including the Arctic 4D

Our EX-UP Extreme Hot Air Ducting is available in two sizes:

60 mm – For AUTOTERM 2D Diesel Heaters

Compatible with AUTOTERM/Planar 2D-12 heaters and other compatible 60 mm hot air systems.

Shop [EX-UP] Extreme Warm Air Ducting for 2KW Diesel Heaters 60mm

3 inch – For AUTOTERM 4D Diesel Heaters

Designed for AUTOTERM/Planar 4D-12 heaters and other compatible 3-inch hot air systems.

Both sizes are available in 5-foot and 10-foot lengths, with connector options for different installations.

Shop [EX-UP] Extreme Warm Air Ducting for 4kw Diesel Heaters 4kw

Don't Overlook the Ducting

When investing in a quality diesel heater, it's worth paying attention to the components carrying that heat.

Our German-sourced Extreme Hot Air Ducting combines high-temperature resistance, reinforced construction, and outdoor durability in a product designed for demanding applications.

Whether you're replacing worn ducting or upgrading your portable heater setup, it's a practical improvement worth considering.

Upgrade your ducting. Protect your equipment. Extend your adventure.

Always follow your heater manufacturer's installation requirements, maintain proper airflow and clearances, and inspect ducting regularly for damage. Heat-resistant ducting does not replace proper heater installation or ventilation.

Links to Portable Heaters

Autoterm Travel Box

[PLANAR] Portable Diesel Air Heater Planar 2D-12V High Altitude

[Autoterm/Planar] Portable Diesel Air Heater 4D-12V, 4 kw

[PLANAR] ARCTIC 4D-12 Portable Diesel Heater 12V DC / 120/240V AC