10 Best Diesel Space Heaters For Indoor Use in The UK

Last updated on 19/05/2025

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Best Choice

9.7

Exceptional

Draper

Draper 17111 Infrared Diesel/Kerosene Space Heater, 17kW Heat,Blue

Why We Love It

High performance low-noise operation.
Highly efficient ignition and output.
Ideal for various environments.

Main Highlights

High performance low-noise infrared heater
Combine with in-line fuel filter, electromagnetic pump and internal combustion chamber
Provides highly efficient ignition and heat output
Ideal for working with both kerosene and diesel
Perfect for use in open and semi-open environments

Hyundai Diesel Space Heater, 125,000BTU / 37kW 290W Kerosene Heater, Industrial Heaters, Heating Area Of 900m3, Adjustable Thermostat, Wheeled, Large Fuel Tank, 3 Year Warranty

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Why We Love It

Heats areas quickly and evenly.
Large fuel tank capacity.
Cost-effective and durable.

Main Highlights

125,000 BTU / 37kW, 290W industrial space heater: Ideal for heating medium-sized garages, factories and workshops
Distributes heat quickly and evenly: Has approx heating area of 900m3
Low fuel consumption: Ous portable heater is a cost-effective heating solution for large areas
Simple to use: Easily adjust the desired temperature using the thermostat
The kerosene heater has a large fuel tank: One full tank gives approximately 10.5 hours of heat
Offering great value for money, these powerful diesel air heaters are built to last and come with a 3 year warranty

JCB Diesel Space Heaters, Kerosene or Diesel, Large Coverage Area, Adjustable Thermostat, Steel Frame for Workshops, Factories, Construction Sites, Warehouses, and Agricultural (140,000BTU / 37kW)

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Why We Love It

High heat output performance.
Large heating coverage area.
Low fuel consumption rate.

Main Highlights

High-Performance Industrial Heating - Delivers powerful heat, efficiently warming large industrial spaces. It is ideal for workshops, factories, construction sites, MoT garages, warehouses, and agricultural buildings.
Fuel-Efficient with Large Capacity - Operates on diesel or kerosene, consuming low fuel , ensuring extended runtime and low fuel consumption.
Precision Temperature Control – An Adjustable built-in thermostat with a temperature display for accurate heat regulation and energy efficiency in commercial heating applications.
Targeted Heat Distribution – Integrated flame cone technology directs heat precisely, ensuring even warmth in targeted areas, reducing heat loss and maximising efficiency.
Robust, Portable & Easy to Use - Heavy-duty steel frame, sturdy rear handle, and two durable wheels for easy transportation; plug-and-play design with a standard 13A UK plug for quick setup.
Backed by a comprehensive 3-year warranty (1 year Commercial)*
Temperature Displays provides both room and machine temperature
Power LED to indicate the machine’s power supply
Features two durable front wheels and sturdy rear handle for dependable transportation
Backed by a comprehensive 3-year warranty* (1 year Commercial)*

10kw Industrial Diesel Space Heater Kerosene Workshop Paraffin 34000 BTU/HR

Why We Love It

Fan cooling ensures safety.
Versatile with multiple fuels.
CE approved for reliability.

Main Highlights

10 kw large stainless steel combustion chamber with fan cooling.
Work with both diesel oil or kerosene.
Flame sensor, Automatic over heat protection
CE approved

Air Diesel Heater, Faxron 12V 2KW Diesel Night Parking Heater with an LCD Switch, Remote Control and Silencer, 10L Tank for Cars, Trucks, Camper-vans, Boats, Indoor use and other vehicles

Why We Love It

Wide vehicle compatibility.
Effortlessly adjustable temperature.
Fast heating, low emissions.

Main Highlights

WIDE APPLICATION: The air diesel heater can be used in a large range of vehicles which includes cars, trucks, motor homes, lorry’s, buses, boats and most types f machinery and vehicles. The heater is also suitable for indoor use, e.g. sheds, workshops, offices and containers.
EASY TO OPERATE: The heating can be effortlessly adjusted with the convenient wireless remote, or it can be adjusted with the main LCD panel. The LCD dynamic display will clearly show the running state of the machine, which includes the temperature, time and heat output.
FAST HEATING AND LOW EMISSION: The remote control can preheat and adjust oil intake, temperature, hot air speed, and the frost on the windows can be eliminated. Low emission, low fuel consumption, space saving and easy to move
COMPLETE ACCESSORY: 12V aluminum alloy diesel air heater with LCD control, remote, 10L tank,silencer, package with full mounting kit - [all mounting screws] and the instruction manual.

30kw Industrial Diesel Space Heater Kerosene Workshop Paraffin 102,500 BTU/HR

Why We Love It

Stainless steel combustion chamber.
Works with various fuels.
Easy to transport.

Main Highlights

30 kw large stainless steel combustion chamber with fan cooling.
Work with both diesel oil or kerosene.
Flame sensor, Automatic over heat protection
Wheels for ease of transportation
CE approved

KATSU Camping Diesel Air Heater 12V 24V 220V 8KW All-in-One Car Truck Diesel Parking Heater, with LCD Display and Remote Control, for Campers, RV, Boat, Trailer, Motorhomes

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Why We Love It

Fast heating in harsh environments.
Intelligent LCD monitor included.
Ideal for varied vehicle heating.

Main Highlights

All-in-one Camping Diesel Heater with fast heating and low noise, runs smoothly in any harsh environment.
Equipped with an intelligent LCD monitor and remote control for convnient and easy to use.
Compact and portable design, it is an excellent choice for camping, home, site office and shops.
Also can be applied for heating the cab of various diesel mechanical vehicles such as caravans, cars, buses, RVs, trucks, engineering vehicles, etc.
Comes with installation accessories as per photo.

HCALORY 8KW Diesel Heater with Adapter, LCD Control Panel and Remote Controller, 12V Portable Diesel Air Heater, 240V 110V AC & 12V 24V DC Parking Diesel Heaters for Car, Truck, RV, Campers

Why We Love It

Rapid heating in 10 minutes.
Energy efficient and long-lasting.
Multiple control methods available.

Main Highlights

RAPID HEATING: HCALORY diesel heater has a built-in all-aluminium structure that combines high efficiency heating with rapid heat transfer and warming, achieving rapid heating (100 degrees) in less than 10 minutes. The 8KW adjustable power heater can be adjusted to suit your needs and is ideal for heating freight trucks, vans, battery operated vehicles and a variety of other vehicles.
ENERGY CONSERVATION: The diesel heater 12V adopts a sophisticated low-noise fuel pump. Fuel consumption is reduced to 0.15 L/h-0.44 L/h; the large 5L tank heater can supply heat continuously for nearly 10 hours, maximising fuel performance and reducing energy waste.
MULTIPLE WAYS OF USE: The diesel air heater can be used in 2 ways by remote control and LCD panel control; Smart APP can also provide timing function, thermostatic control, temperature adjustment, voice broadcasting and other functions, which can provide you with continuous heating and save time.
WIDE APPLICATION AREA: This car heaters is equipped with a highland mode, (18,045 ft. above sea level), which automatically adjusts to different altitudes and heats up quickly. Meanwhile, the portable diesel heaters is equipped with a handle on the top, which can be taken and used anytime and anywhere.
SAFETY PROTECTIONS: Newly upgraded motherboard in 2025 is more secure, providing short circuit protection, reverse connection protection, over voltage protection, overheat protection (≥270 °C/518 °F) and other functions. Can be used with the included AC & 12V 24V DC power adapters or directly connected to the battery.

Sunster 8KW Portable ALL IN ONE Diesel Air Heater, 12V 24V 220V Diesel Parking Heater, Parking Bunk Heater with Bluetooth APP Control and LCD Monitor for Car Trucks Boat Bus RV Motor-Homes and camper

Why We Love It

Versatile with included transformer.
Convenient Bluetooth app control.
Reliable safety features certified.

Main Highlights

Real Use Anywhere-Apart from supporting 12v and 24v, the kit includes a 110-240v transfomer. You can plug the heater directly to 220 volts sockets. No fuss to buy extra parts and do the DIY work to use it in your garage or basement. Make you feel toasty in RV,car, camper,trailer, home, shop, basement etc in winter. Get prepared when the weather takes a turn.
Smart- To save you time and make the use of our heater more comfortable for you, we have updated the motherboard of the heater and in particular added an extended Bluetooth module. With the app, you can operate the heater.
Use Safety-Our heaters are equipped with intelligent temperature control and overheat protection to ensure your safe use throughout the winter season. In addition, it has also passed the certification, providing you with more reliable and peace of mind.
low fuel consumption&Smart fuel saving-Upgraded the aluminum body of the heater, reducing fuel consumption to 0.11-0.35 (L/H) and increasing heating speed.
Improved LCD switch display：There are two new functions, manual refueling mode（pumping can be manually controlled, which saves you a lot of time）；Automatic start & stop (in automatic mode, when the indoor temperature reaches the set temperature, it will automatically shut down after a delay of 30 seconds; when the indoor temperature is 2 ℃ below the set temperature, it will automatically start up after a delay of 30 seconds)

SIAL 51,300 Btu/hr Industrial Gas Fan Heater Portable Workshops Heater Heat Cannon Gas Radiant Heater Hot Air Blower Mechanical Switch Piezo Ignition, Yellow, 15KW

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Why We Love It

Powerful 15kW gas heater.
Simplified piezo ignition system.
Integrated transport handle.

Main Highlights

【POWERFUL PERFORMANCE】: Our powerful 15kw gas heater delivers 10594ft³/h of warm air, ensuring your space is cosy and warm even in the coldest conditions. Working pressure 700mbar.
【EASY TO USE】: Simplified operation with the heater's mechanical keys and piezo ignition system. At the push of a button, the piezo ignition system immediately ignites the gas, providing a quick and easy start to your heating needs, eliminating the need to rely on traditional ignition methods.
【SAFETY FEATURES】: Safety is our top priority and the gas heater is equipped with an overheat protection and fire protection system which automatically cuts off the gas supply if the appliance gets too hot. This provides a safer heating environment without the risk of fire or damage to the equipment.
【PORTABLE DESIGN WITH CONVENIENT HANDLE】: The portability of the industrial heater is enhanced by its integrated handle, making it easy to transport and move between sites, whether for domestic or industrial use, the convenience of the handle ensures that moving the heater is effortless.
【ADJUSTABLE FLAME AND POWERFUL FAN FOR CUSTOMISED COMFORT】: The A-rated energy efficiency and turbo fan allow the heater not only to provide warmth, but also to save money, making it suitable for long-term use without having to worry unduly about your energy consumption.

8.7

Excellent

We scanned 1720 products

We reviewed these offers relevant to the Diesel Space Heaters For Indoor Use within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Draper, Hyundai, JCB, dirty pro tools, Faxron, KATSU Tools, HCALORY, Sunster, SIAL, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Diesel Space Heaters For Indoor Use in the market, we considered we took a deep dive into 8601 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Draper 17111 Infrared Diesel/Kerosene Space Heater, 17kW Heat,Blue. We love many things about this product by Draper. What sets it apart from the competition is High performance low-noise operation, Highly efficient ignition and output, Ideal for various environments.
The best value product for most shoppers and where user satisfaction is continuously the highest is Hyundai Diesel Space Heater, 125,000BTU / 37kW 290W Kerosene Heater, Industrial Heaters, Heating Area Of 900m3, Adjustable Thermostat, Wheeled, Large Fuel Tank, 3 Year Warranty by Hyundai based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Diesel Space Heaters For Indoor Use and the best cost-to-value ratio is Hyundai Diesel Space Heater, 125,000BTU / 37kW 290W Kerosene Heater, Industrial Heaters, Heating Area Of 900m3, Adjustable Thermostat, Wheeled, Large Fuel Tank, 3 Year Warrantyat Hyundai with a 20% discount.
Our list of the best Diesel Space Heaters For Indoor Use is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Diesel Space Heaters For Indoor Use in The UK

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We scanned 1720 products

We concluded that: