10 Best Diesel Heater for Caravan in Australia 2026

The truly exciting caravan is the second home for some people out there. As you make your home comfy and well-equipped, the same is true with caravans. With so many adventures around Australia and different terrains, the weather also changes drastically.

Therefore, it's best to accessorize and level up your caravan with a diesel heater for the caravan. It helps create a warm and cozy indoors, making your travel and stay effortless during cold days. Many caravan diesel heaters have exciting price ranges, features, and much more. To assist you, the article highlights the top 10 diesel heaters for caravans in Australia in 2024 and other important information.

Let's have a look! 

10 Best Caravan Diesel Heater Review

Here is a review of the ten best caravan diesel heaters:

Webasto 12v Twin Outlet Diesel Heater  

Webasto 12v Twin Outlet Diesel Heater is the top in the list because of its efficient heating. It uses around 1L of diesel fuel every 5-6 hours. Also, it dehumidifies the air to keep the caravan indoors fresh. It comes with all the accessories and installation essentials.

Pros

• It has two outlets for ducting.
• It can be controlled digitally.
• Two years warranty.

Cons

• The hose is 6 m long.
• You may need an additional fuel tank.

Truma Combi D6 Diesel Heater

Truma Combi D6 Diesel Heater has a power output of 6 kW and runs on diesel fuel. It is best for large caravans as it's powerful, fuel saving, and effective at heating. Also, you can heat water with it.

Pros

• It comes with 65 mm ducting, a 15 m roll, and all installation accessories.
• You can also heat water.

Cons

• It may be noisy.

Autoterm 12V 2kW Diesel Air Heater Kit with Digital Controller

It's a 12-volt 2kw diesel air heater kit with a digital controller. One of the best parts of this product is the low-noise fan and the heat adjustment according to altitude. Also, it heats within a minimum time.

Pros

• Quiet operation
• Digital control
• It's budget-friendly.

Cons

• It may be heavy.

Webasto 12V Diesel Heater Single Outlet

Webasto 12V Diesel Heater Single Outlet is another amazing option. It has a single outlet. Also, it heats efficiently and quickly and comes with all installation gears. 

Pros

• It dehumidifies the indoors.
• Comes with an installation kit.

Cons

• You require a fuel tank with it.

MaXpeedingrods 12V 8KW Diesel Air Heater

This 12V 8KW diesel air heater has some unique factors that make it truly special. It's very budget-friendly and has some brilliant features, with fast and efficient heating. It's also made from durable parts.

Pros

• It's compatible with many types of vehicles.
• It's affordable

Cons

• It may be a little noisy.
• There is no installation guide.

Belief Portable 2.2kW Diesel Air Heater

It has 2.2kW power and can operate 10 hours on high or 30 hours on low using a single 3L tank. Also, it's compact and suitable for rough terrains.

Pros

• It boasts longevity.
• It's compatible with many vehicles.

Cons

• It can be noisy.
• There's no thermostat control.

Thermomate 5kW 12V All-In-One Diesel Air Heater

It is off of the most advanced diesel heaters for caravans. Its aluminium body for superior thermal conductivity, an LCD control panel, timer, 5L fuel tank and a fan speed up to 4,500rpm is great.

Pros

• It runs for a long time.
• It's affordable.

Cons

• It may be noisy.

Eberspacher AirTronic AM2 Diesel Air Heater

It's made for a high altitude of 3000 meters. Moreover, it's among the best choices, with great build, advanced features, and fuel-saving technology.

Pros

• It's lightweight.
• It comes with an altitude sensor.
• There is a time mode.

Cons

• It's expensive.
• Extra cost for silencer and diesel fuel.

AUFOCUS 2KW Bluetooth Diesel Heater

AUFOCUS 2KW Bluetooth Diesel Heater is modern and efficient. It has a fuel tank, Bluetooth control, silent operation, and more.

Pros

• Stainless steel fuel tank
• Efficient heating

Cons

• It is pricey

SUNPOWER RV Diesel Heater 2.5KW

It is a lightweight and compact diesel heater for caravans which is best for light vehicles. Its 2KW power, premium material, and efficiency make it one of the best.

Pros

• It's lightweight.
• It has a digital controller and air intake filter.

Cons

• It may only be suitable for some light work.

How to Choose a Caravan Diesel Heater?

Here are a few points you must consider before buying the best caravan diesel heater:

Power Output: The caravan diesel heater should cozy up the space in minimum time. You can look for models that have 2 to 4 kW power.

Performances: The heating capacity must be high, meaning heating should be in minimum time. Also, with temperature control settings, power saving, and other features, it should have an all-around performance.

Price: An ideal diesel heater for a caravan may range between $250 and $3000+. But the cost can go up with additional features. So, set your budget first.

Weight and Size: There are many lightweight to heavy caravan diesel heaters. For a smaller caravan, you can go with the light option. But, if you have a large RV, bus or caravan, you can go with heavy ones.

Steps and Precautions for Installing a Diesel Heater for Caravans

Here are a few steps and precautions while installing the diesel heater for the caravan:

Select the place: First, select the place best for installation. It can be under dinette seating or under the bed.

Gather tools: You may need a pen, screws, driller, silicone measuring tape etc.

Mount the plate: You can mount the plate on the caravan floor with Silicon

Pick perfect inlet and outlet vents: The inlet vent is from where the cool air comes in. Then, choose a spot for the outlet vent when hot air moves indoors.

Attach the accessories: You can add an exhaust pipe, fuel tank, etc.

Safety precautions:

• Always choose a place that is ventilated and free of flammable substances.
• It would be best to look for the proper functioning of the inlet and outlet of vents.
• The exhaust pipe must be functioning.
• There should be no overheating.

How to Keep Your Diesel Heater Running All Night With Portable Power?

Sometimes, you may need more power to keep your diesel heater running all night. In such cases, a portable power station is the best solution. It can be recharged in multiple ways; it's mobile and has various output ports (you can power other devices, too). Also, it's efficient and durable.

For off-grid power, the BLUETTI Elite 100 V2 Portable Power Station offers a compact, portable solution. With a 1,024Wh capacity and 1,800W AC output, it can also power compatible 12V DC devices through its 12V/10A car outlet, making it suitable for various outdoor applications. Weighing just 25 lbs, the Elite 100 V2 is easy to take along on camping trips, in a campervan, or to remote work locations. Before connecting a device, check its voltage, current requirements, and connector compatibility to ensure safe operation.

Moreover, the BLUETTI Elite 300 Portable Power Station offers a substantial 3,014.4Wh capacity and 2,400W AC output, making it a versatile choice for camping, campervans, and off-grid applications. It features a regulated 12V/10A car outlet and a dedicated 12V/30A DC output, allowing you to power compatible 12V devices directly. For recharging, the Elite 300 supports up to 1,200W of solar input and up to 2,400W of combined AC and DC input, helping you replenish its battery faster when suitable charging sources are available. With multiple output options and a high-capacity battery, it offers flexible power for outdoor adventures and remote work.

Final Thoughts

This is all about the ten best diesel heaters for caravans. First, you can set your budget and choose the one that is efficient, flexible, energy saving and has maximum features. To make it run 24*7, consider a power backup system. So, go through all these factors and have an adventurous trip without fearing catching a cold.

FAQ:

Are diesel heaters safe in caravans?

Yes, they are safe. However, you must ensure their safe installation and check if gases are transferred through the exhaust tube to the combustion unit. Also, they come with an auto cut if there is overheating.

Can you leave a diesel heater on overnight?

Some diesel heaters are thermostatically controlled, and you can set a timer, and they will automatically turn off. It would be best if you looked for this feature of overnight heating.

Where is the best place to put a diesel heater in a caravan?

You can install it under the dinette seating or under the bed. 

How much does a diesel heater cost for a caravan?

It may cost around $250 to $3,500+. It has wide ranges which may increase with features. 

Can you leave a diesel block heater plugged in?

Yes, you may leave it plugged in. It may use very little power; therefore, you must consider this factor.