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Buying Guide · Diesel Heaters

Ultimate Diesel Heater Buying Guide

Five 2kW 12V diesel heaters for caravans, campers, vans and boats, side by side. Compare heat output, fuel use, controller type, tank and warranty so you can match a unit to your setup and budget.

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Heat output, fuel use, controller, tank and warranty across five diesel heaters in stock.

Diesel heater specification comparison
Outback Equipment
Compare the specs
Born to Roam Born to Roam 2KW Bluetooth Diesel Heater Full Kit | 5L Tank Inc. BTR-2kw-MZ-Gen4
Born to Roam
$699.99
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Aussie Traveller Aussie Traveller Diesel Heater 12v 2Kw
Aussie Traveller
$998
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Autoterm Autoterm Diesel Air Heater 12v 2Kw Kit With Rotary Controller. 2D12Pu5
Autoterm
$1384.99
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Autoterm Autoterm Diesel Air Heater 12v 2Kw Kit With Digital Controller. 2D12Pu27
Autoterm
$1479
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Webasto Webasto Diesel Heater Twin Outlet With Ducting & Digital Controller 12v- Kthcam14-2Outwpgm
Webasto
$1998.99
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Heat output 2 kW 2 kW 2 kW 2 kW 2 kW
Voltage 12V 12V 12V DC 12V DC 12V
Fuel consumption 0.1-0.3 L/h 0.12–0.24 L/h 0.1–0.24 L/h 0.1–0.24 L/h 0.12–0.24 L/h
Controller Bluetooth app, LCD & remote Digital display PU-5 rotary dial PU-27 digital, multi-day timers Digital controller
Fuel tank 5L stainless, included 10L, included Not included (heater kit) Not included (heater kit) Not included
Set weight 9.8 kg 2.6 kg 6.5 kg 6.5 kg 2.6 kg
Warranty 2-year 12 Month 2-year 2-year 2-year
Made in Designed for Australia Designed for Australia Europe Europe Germany

Frequently asked questions

What size diesel heater do I need?

A 2kW diesel heater suits most caravans, camper trailers, vans and small boats. For larger motorhomes or fifth wheelers with more air volume, look at a higher-output unit or twin outlets to spread the heat.

How much diesel does a 2kW heater use?

These units draw roughly 0.1 to 0.24 litres an hour depending on the heat setting. A 10L tank runs for days of overnight use, and they run at 12V with a low power draw, so your battery holds up.

Can you run a diesel heater overnight?

Yes it is possible, bit it does depend on your installation. Diesel air heaters should ALWAYS vent exhaust outside the cabin. Have the heater installed to the maker's instructions and always fit a carbon monoxide alarm. If unsure speak to a professional.

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