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3 Best Diesel Heaters for Van Life 2023

If you’ve ever stayed up, shivering in your van, on a cold night, you’ll know just how important a van heater can be. They add an extra element of comfort and safety on extra cold nights.

Unfortunately, however, not all heaters are created equal. For example:

Many van dwellers, without realizing it, make the mistake of choosing a van heater that is damaging to their health. Many heaters emit dangerous fumes that cause respiratory issues down the line. It’s important to avoid this, especially in such a small space. Luckily, there are few safe heaters that I can recommend. My favorite diesel heater is the Superfastracing Diesel Air Heater, available on 

It’s super warm and reliable – I don’t have to worry about it breaking down on me. And it has a compact, efficient design that fits perfectly in my campervan.

Benefits of a diesel heater

Diesel heaters pack a ton of warmth in a small size, so they’re a perfect option for campervans. These heaters are widely popular, and are considered to be very safe. They often have auto-shutdown systems that will protect you if something goes wrong, such as if the temperature gets too high.

Diesel heaters are also less prone to emitting dangerous fumes, compared to other fuel-based heaters.

Of course, as with all equipment, it’s important to practice regular checkups and maintenance to ensure that everything is running smoothly.

Features to look for in a diesel heater

  • Size
  • Heating capacity
  • Safety features
  • Energy efficiency
  • Noise level

1. Superfastracing Diesel Air Heater

Rated voltage: 12V
Heater power: 8KW
Fuel: Diesel
Fuel consumption: (L/h)0.11-0.51
Working temperature: -40 to 20 degree Celsius

Out of all the diesel heaters that I’ve tried, the Superfastracing Diesel Air Heater is my favorite. This diesel has everything you would ever wish in a diesel heater for a van including powerful 8KW heat power, quiet operation, compact design, and much more. If you are looking for a diesel heater that will keep your van warm during the cold winter season, then Superfastracing 8KW 12 diesel Air Heater is the ideal choice for you.

Superfastracing 8KW 12 diesel Air Heater is equipped with a powerful engine that delivers a whooping 8KW of heater power. This is enough to keep your van warm in as little as 10 minutes, regardless of how cold the temperature is on the outside. It is also powered by 12V, meaning you don’t need an inverter to power this powerful machine, all you need is your car battery.

Superfastracing 8KW 12 diesel Air Heater is super-efficient when it comes to fuel consumption. Its incredible fuel consumption of 0.11-0.51 L/h makes this machine one of the most fuel-efficient diesel heaters on the market today. The compact design of this diesel heater means that it will not consume a lot of space. It can fit even in the tiniest space available and work continuously for a long time.

Another impressive feature about this diesel air heater is its quiet operation. This machine operates quietly. It is super quiet to the point where you can sleep comfortably a night white being disturbed by annoying noises. The machine comes with a silencer that curbs the little noise produced. The installation process is also very simple and straightforward. It comes with an attached instruction manual that gives steps by step instructions on how to install this machine on your van.

Superfastracing 8KW 12 diesel Air Heater is equipped with a 10L oil tank that can SUVs you for about 36 hours when full. This machine is versatile and can be used in transport vehicles, truck cargo compartments, cranes, RVs, and much more.


  • Incredibly versatile
  • Easy to install and use
  • Compact design
  • Quiet operation
  • Low fuel consumption
  • Durable


  • No automatic on/off ability

Click here to get it on Amazon.

2. Happybuy 5KW Diesel Air Heater

Rated voltage: 12V
Heater power: 5KW
Fuel: Diesel
Fuel consumption: (L/h)0.11-0.51
Working temperature: -40 to +20 degree Celsius

Happybuy 5KW diesel air heater is one of the bestselling diesel air heaters on the market today. This is due to its excellent and reliable performance.

The combustion chamber, a heat-dissipating scale, and base that this diesel air heater features are all made of sand-blasted aluminum that is durable, attractive, and lightweight. The aluminum material also allows efficient heat dissipation, a factor that allows the machine to cool efficiently.

The optimized frequency conversion ECU that it features controls the injection frequency of the oil pump and air intake precisely, thus saving energy. This feature also helps to extend the heater’s lifespan. This diesel heater is also equipped with blower speed control, a silent oil pump, and a silent fan that enables it to operate quietly but efficiently. In fact, you will not know that the machine is operating unless you are very close to it, thanks to its quiet operation.

The intelligent LED digital display that it features shows all impotent details about the heater’s performance, including fuel consumption, temperature, oil, and much more. It also features both automatic and manual temperature control with two modes.

Happy buy 5KW diesel air heater fuel tank features a threaded rotary seal design that allows air to only enter. This means that the diesel smell will not overflow into the compartment, causing trouble.

This diesel heater is incredibly versatile and can be used in various mechanical vehicles including RVs, buses, cars, trucks, engineering vehicles, and much more. It also comes with a complete mounting kit, making it easy to install and use.


  • Energy saving
  • Wide application
  • Comes with a complete accessory kit
  • Made of an aluminum body that is great in dissipating heat
  • Intelligent digital display for easy monitoring of the heater
  • Easy to use and install
  • Quiet operation


  • A bit bigger than expected

Click here to get it on Amazon.

3. Tseipoaoi 5KW Diesel Air Heater

Rated voltage: 12V
Heater power: 5KW
Fuel: Diesel
Overheating protection: 180 degrees Celcius
Fuel consumption: (L/h)0.11-0.51
Working temperature: -40 to +50 degree Celsius

Tseipoaoi 12V, 15KW diesel air heater is equipped with great features including LCD control, 10L tank, remote control, complete mounting screws, silencer, and much more that enables it to deliver excellent performance. It is also versatile and easy to install.

This diesel heater features a wide advanced LCD control that displays all crucial metrics of the heater including oil quantity, wind speed, temperature, and much more. This is important because it enables you to track the heater’s performance with ease. The protector film on the LCD controller screen helps to protect it against damage. It is also equipped with a remote control that you to adjust the heater’s settings even when you are not close to the machine.

Tseipoaoi 12V, 15KW diesel air heater does not disappoint when it comes to fuel consumption. It uses advanced technology that enables it to deliver high performance without consuming a lot of gas, as is the case with other diesel heaters. This diesel heater also allows you to preheat the engine coolant to help prevent engine wear and tear, which usually occurs at low temperatures. It also allows you to control temperature, oil quantity, and wind speed.

Another incredible feature about this diesel heater is its compact design. This machine will not take much of your already limited space. You also don’t need to be an expert in order to install this diesel heater.

This is because the installation process is easy and straightforward. You only need to follow a few simple instructions given.

Additionally, Tseipoaoi 12V, 15KW diesel air heater is incredibly versatile and can be used to heat various cab of diesel mechanical vehicles, including Lorries, cars, boats, engineering vehicles, touring cars, and much more.


  • Comes with complete accessories
  • Equipped with advanced LCD control and remote control for easy monitor
  • Fuel efficient
  • Versatile
  • Easy to install
  • Environmentally friendly


  • Quite expensive

Click here to get it on Amazon.