In this guide we’ll take a look at the best diesel heaters.
We’ve compared power, size, design and cost
to give you our top recommendations.

What is the Best Diesel Heater?

IMAGERECOMMENDED PRODUCTSPRODUCTFEATURES
  • Best diesel heater for vehicles
  • Easy to install and disassemble
  • Remote control included
  • Most versatile diesel heater
  • Window frost elimination setting
  • Four air outlets
  • Best portable car heater
  • All-in-one design
  • Clear LCD display
  • Best compact car heater
  • Wide working temperature range
  • Intelligent overheating sensor for safety
  • Best diesel heaters for garages
  • Heats very large spaces
  • Built in thermostat

More Detailed Diesel Heater Reviews

Triclicks 12V 5000W Air Diesel Heater

FEATURESRATINGPRICE
FEATURES
  • Best diesel heater for vehicles
  • Easy to install and disassemble
  • Remote control included
OUR RATING
100

PRICE

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Triclicks 12V 5000W Air Diesel Heater Review

The Triclicks 12V Air Diesel Heater is the best diesel heater on the market. A fantastic choice for any small space that gets chilly.

Perfect to use in trucks, boats, car trailers and campervans, this diesel heater is ideal if you spend a lot of time on the move in the winter months.

The Tricklicks heater comes with a remote control which can be used to preheat and adjust the temperature. The LCD dynamic display will show the running state of the machine, and you’ll be supplied with everything needed for standard installation.

This heater has a compact structure and it’s very easy to move. It can be disassembled and reinstalled in a new vehicle if needed.

If you’re looking for the best diesel heater for campervans, cars and trucks, the Triclicks 5000W Air Diesel Heater is our top recommendation!

Triclicks Air Diesel Heater

FEATURESRATINGPRICE
FEATURES
  • Most versatile diesel heater
  • Window frost elimination setting
  • Four air outlets
OUR RATING
97

PRICE

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Triclicks Air Diesel Heater Review

The Triclicks Air Diesel Heater is a versatile and high-powered heater, perfect for trucks, boats, car trailers and more. It’s also suitable for indoor use, lending itself particularly well to small spaces.

This diesel heater produces rapid heat with low emissions. It comes with a remote control for preheating and you can adjust oil quantity, temperature and wind speed. You can also use it to eliminate frost from your windows on extra-cold days.

This heater comes with four air outlets to increase the volume of warm air entering your space and has a low fuel consumption.

If you’re looking for the most versatile diesel heater, the Triclicks Air Diesel Heater should be top of your list!

Triclicks Portable Car Heater Air Diesel Heater

FEATURESRATINGPRICE
FEATURES
  • Best portable car heater
  • All-in-one design
  • Clear LCD display
OUR RATING
94

PRICE

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Triclicks Portable Car Heater Air Diesel Heater Review

The Triclicks 5 kW Portable Car Heater is the best portable car heater on the market. This heater can be used in a wide range of settings, from trucks and boats to cars and other diesel vehicles.

It’s easy to set the fuel, electricity and temperature levels, and preheating the coolant of the engine will prevent wear and tear.

This heater can quickly eliminate window frost so you can be on the move faster.

It comes with all you need for standard installation, and an LCD display that tells you the fuel level, electricity consumption and temperature. The remote control is easy to use.

With an all-in-one design, there’s no need to install a separate fuel tank. The handle aids convenience and portability.

If you’re looking for the best portable car heater, the Triclicks Portable Car Heater is the one for you!

MaXpeedingrods Diesel Air Heater

FEATURESRATINGPRICE
FEATURES
  • Best compact car heater
  • Wide working temperature range
  • Intelligent overheating sensor for safety
OUR RATING
91

PRICE

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MaXpeedingrods Diesel Air Heater Review

The MaXpeedingrods Diesel Air Heater is a high power 5 kW heater with a broad temperature range. This heater is a reliable choice for cars, trucks and boats; its small and compact design makes it perfect for smaller spaces.

This diesel heater maintains a constant temperature thanks to its intelligent overheating sensor.

The heating device blows out warm air independently, without causing wear and tear to the engine or leaving carbon deposits.

This heater is easy to install and emits a surprising amount of heat for its compact size. If you’re looking for the best compact diesel heater for trucks and cars, the MaXpeedingrods Diesel Air Heater is our top recommendation!

Modern Life Industrial Diesel Space Heater

FEATURESRATINGPRICE
FEATURES
  • Best diesel heaters for garages
  • Heats very large spaces
  • Built in thermostat
OUR RATING
86

PRICE

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Modern Life Industrial Diesel Space Heater Review

The Modern Life Industrial Diesel Space Heater is the best diesel space heater. It packs an incredible 30 kW of power and is the perfect heater for workshops, garages and warehouses . It has an air output of 720 m per hour, heating rooms of up to 400 m² in no time at all.

This heater is energy efficient and easy to use, with a clear temperature display and control.

It comes with wheels for easy mobility and the stainless-steel combustion chamber, which is cooled by a fan, is safe and durable.

If you’re looking for the best diesel heater for workshops and warehouses, the Modern Life Industrial Diesel Space Heater is our top recommendation!

Diesel Heater Buyer’s Guide

A diesel heater brings consistent and reliable heat to the inside of a vehicle or small space.

They provide warmth easily and quickly in very cold areas, and this warmth is effortlessly maintained. Compared to other heaters, they’re easy and safe to use, offering superior heating even on the coldest of days.

Not sure what to look for when it comes to the best diesel heaters? Check out this buyer’s guide.

Power

Most diesel heaters for vehicles have around 5 kW of power; this number will impact the size of the area they can heat.

If you want to heat a very large space, such as a workshop, warehouse or garage, a heater specifically designed for bigger areas is best. These will have more power, often up to 30 kW.

Size

Diesel heaters are designed for small spaces, so they usually have compact and understated designs.

Take a look at the dimensions to ensure the diesel heater will fit in your vehicle. If the heater is designed for a big open space it could be larger than what you’re after.

Design

Diesel heaters aren’t purchased for their stylish designs. They’re made up of practical parts: a heater case, inlet and outlet pipes and fuel tank. If you’re purchasing a diesel heater for a large open space, look for a heater with integrated wheels and a carry handle for easy manoeuvrability.

Ease of Use

Many diesel heaters come with an LCD display and a remote control for ease of use. The hardest part is installing your diesel heater; once you have got to grips with all the elements, you should find it relatively simple to use.

Diesel Heaters FAQ

What is a diesel heater and how does it work?

A diesel heater is a great option if you’re regularly on the move, effortlessly heating both small and large spaces.

Diesel heaters direct cold air, taken from the surroundings over a hot cylindrical metal surface. This metal surface heats the air that passes over it.

The air is then directed straight to an outlet and pushed out into the vehicle or space. This process is repeated over and over.

Conclusion

Heating a small and poorly ventilated space can be tricky, but a diesel heater is a reliable and highly effective solution. For its ease of use, compact design and safe operation, the Triclicks 5000W Diesel Air Heater is our top recommendation.

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