Top 10 Best 24v heater in 2026

Last Updated - 6/9/2026

🏆Best Choice

VEVOR

VEVOR Diesel Air Heater, 8 kW DC12-24V, Fast Heating Diesel Parking Heater with Remote Control and Square Color Digital Display, Low Noise, Voice Announcement, for RV, Truck, Camper, Boat and Trailer

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Efficient Heating: This diesel heater operates on DC 12V-24V, suitable for areas ranging from 161-215 FT². The ceramic igniter ensures quick starts in cold weather, raising the temperature in your vehicle, RV, boat, and more
•Upgraded Security Features: Vevor diesel heater is enhanced security with a heat-insulated exhaust pipe shield to avoid burns or scorching. The leak-proof fuel cap minimizes risks on rough roads, and the fuel gauge ensures timely refueling, reducing the risk of dry burning
•Low Fuel Consumption: With a precision low-noise fuel pump, the car heater only consumes 1 gallon per night (0.18-0.36L/h). The 5L (1.3gal) large-capacity tank and ≥90% combustion efficiency maximize fuel use, reducing waste
•Dual Control Options: The portable diesel heater includes a 98ft remote control for preheating from outside the vehicle, keeping the interior warm and avoiding frost. The LCD screen allows for temperature adjustment between 32-104℉ to suit your needs
•Wide Applicability: The diesel heater 12v works effectively at altitudes under 9843ft. Compact and easy to install, it provides continuous warmth in high-altitude or cold environments, ensuring comfort no matter where you are

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$93.90

$114.99

-18%

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LF Bros

LF Bros 110V/12/24V 5KW Diesel Heater, All-in-One 5L Air Diesel Parking Space Heater with Stylish Design, Come with Remote Control and LCD Screen, Suitable for Home Shop Garage Camper

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Exclusive Diesel Heater: This LF Bros all in one 5kw diesel heater will provide constant heating while operating. Providing 4700~17000BTU, and fuel consumption of 0.18~ 0.53L/H. The working temperature is -40℉-104℉. No more piling on layers and curling up in corner, stay warm with LF Bros in this winter
•Real Use Anywhere: Apart from supporting 12v and 24v, the kit includes a 110v transfomer. You can plug the heater directly to 110 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
•Easy to use: This all in one diesel heater is very simple to set up to get ready to use. It comes with very detailed instruction booklet, you can also scan the QR code for installation tutorial. The LCD switch will display the working status. Remote controller has already been paired before delievery, and the remote control range is 100ft
•Exclusive Oil Leaking Proof: Different from others, the fuel tank cover LF Bros diesel heater adopted is built with internal thread, which works the same way a car's gas cap works, effectively preventing oil spilling over while your vehicle is bumping on rough road, very safe to use
•Delicate Packaging: The kit is packed in a delicate box. The main machine is protected with plastic foam to prevent scratches and collisions. All the other parts are housed in a seperate box. User manual comes along inside. You can also store your diesel heater in the box for next winter. Get one for yourself and your loved ones before temperature begins to drop

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$249.99

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GEARLASSO

GEARLASSO Diesel Heater, 12V/24V/110V 8KW Parking Heater with Remote Control and LCD Display, 2 Ways Control Fast Heating with Muffle Silencer for Campers RV Truck Boat Bus Car Trailer Garage

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•【Safe and Reliable】GEARLASSO update diesel heater is smart thermostatically controlled, equipped with shutdown mechanisms, the heater can prevent overheating and potential hazards, ensuring the temperature remains within a safe range and the exhaust is externally vented, making it safe to operate while sleeping or during extended use.
•【Fast Heating】Heater Power: 8KW; Rated Voltage: 12V. Our efficient diesel heater is designed to keep you warm even in the harshest of conditions. With rapid heating and the ability to reach a comfortable temperature in just 5-10 minutesWith a working temperature range of -40℃~ +50℃, Outputs 4700~17000 BTU of heat to warm up 215-269 ft²/20-25 m² in 10 minutes allow you to quickly into a warm environment.
•【Efficient Fuel Consumption】GEARLASSO Diesel heater features a precision oil pump and ceramic spark plug that controls the fuel inlet for 100% combustion, resulting in low fuel consumption of only 0.15-0.45 liters/hour. With a 5 L/1.3gal large capacity fuel tank, the diesel air heater can run for 1 night on the maximum gear, allowing you to enjoy a quiet and warm space while minimizing your environmental impact.
•【2 Ways Control】This diesel heater features enhanced comes with a 32 ft/10 m remote control and LCD to choose your convenient control method. The temperature can be adjusted from 46.4 °F-104 °F/8 °C-40 °C catering to your specific needs.
•【Versatile Application and Reliable】Our 12v 8kw diesel heater is suitable for a wide ranges, including cars, buses, RVs, trucks, engineering vehicles, boat, campers, trailer, and more. It's also perfect for heating up homes, garages, outdoor, greenhouse and shops.

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$149.99

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GEARLASSO

GEARLASSO Diesel Heater 12V/24V/110V, All in One 8KW APP Control, Remote Control and LCD Display, Portable Air Heater Fast Heating Low Noise with Power Adapter for RV Truck Boat Car Shop Garage House

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•【Smart Safety & Reliability】Engineered with AI-driven thermostatic control and proactive shutdown protocols, the GEARLASSO diesel heater delivers intelligent overheating prevention and consistent climate management. An externally vented exhaust system ensures zero indoor emissions, enabling safe extended operation—even overnight.
•【Advanced Tri-Mode Control】Command your heating experience through enhanced Bluetooth connectivity, a responsive 32 ft remote, or the sleek LCD interface. Seamlessly adjust settings from 46.4 °F to 96.8 °F (8–36 °C) via the app from up to 98 ft away, putting personalized comfort at your fingertips.
•【Rapid-Tech Heating System】Powered by an 8KW high-performance core, this heater delivers 4700–17000 BTU of intense warmth, transforming spaces up to 269 ft² in under 10 minutes. Built to perform from -40°C to +50°C, it guarantees swift cold-weather defense for demanding environments.
•【Eco-Fuel Intelligence】Featuring a micro-metering oil pump and high-durability ceramic igniter, our system achieves 100% combustion efficiency with ultra-low consumption (0.15–0.45 L/h). The 5L fuel tank supports continuous high-output operation through the night—powerful, quiet, and planet-conscious.
•【Adaptive Pro Installation】Designed for integration across vehicles and structures: ideal for RVs, trucks, boats, trailers, garages, greenhouses, and workshops. Wherever precision heating is essential, this 12V/24V/110V 8 KW unit delivers robust, professional grade performance.

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$169.99

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HOCENWAY

24V 65W Heater Catridge + 300°C NTC 100K 3950 Thermistor Temperature Sensor Compatible with Voron V2.4 V0.1 V1.8 V6 PT100 Dragon Hotend Dragonfly BMS BMO Printhead 3D Printer

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•HEATER: max temperature is 500C degree, 450C Degree Working stably ; Power: 24V 65W, cartridge size: OD6mm x15mm, apply high quality and high temperature green color silicone cable, more dorable and longer lifetime , and using 15mm length stainless steel cover does not interfere with the installation of other accessories like leveling sensor, fan.
•THERMISTOR: NTC100K 3950B, cartridge size: OD3mm x15mm, using imported chip, can work at -40°C ~300°C
•Specially designed to be Compatible with Voron V2.4 V0.1 V1.8 V6 PT100 Dragon Hotend 3D Printer
•Widely USE: This heater and thermistor, also can used for other 3D Printers, but please must change the connectors if the connector is not stuibale for your printer
•Package: 1piece green heater tube, 1piece thermistor

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$9.99

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DaisyInner

DaisyInner 500w Car Heater 24 volt Camping Heaters Car Heater Kit Camping Windshield Window Defogger Defroster for Winter Automobile Windscreen Car Camper(24v)

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Heating Solution for Your Car in Winter: the package includes 1 pcs 24v heater, which provides a swift and effective heating solution, tackling car window fog and frost to ensure a warm, comfortable environment even on the coldest winter days; This potent 24v 500W heater ensures heat is distributed evenly throughout the vehicle for comfort. Please note that the heater must match at least 4 square pure copper wire otherwise the wire may burn out
•Practical 4 Port Design: our portable heater 24v has 4 port design with dual switch controls on the top; You can choose to turn on one switch or both according to your heating needs; This design makes the heating process easy and efficient, providing a favorably warm interior while you are on the road
•Enhanced Safety: this portable car heater assists in preventing car window condensation and fogging to ensure clear vision; It contributes to increased safety by reducing the risk of accidents and providing a secure driving experience
•Dimensions for Easy Installation: with a compact and practical size of 12.2 x 4.7 x 4.1 inches (31 x 12 x 10.5 cm), this 24 volt heater for car can be easily installed in various car models without occupying much space
•Energy Efficient: this 24v space heater is easy to install, energy efficient and operates quietly; Its low power consumption combined with high thermal efficiency does not affect your vehicle's power while providing warmth in cold winters; It's the ideal companion for your car, offering foot warming, defogging, defrosting capabilities and more

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$22.99

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Bestol

Bestol 1 PCS Room Heater 12V/24V 70W/120W/150W/300W Energy Saving PTC Car Fan Air Heater Constant Temperature Heating Heaters 24V 300W (24V 300W)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•12V 70W/ 241V 150W/ 12V 120W /24V 300W PTC electric heater, suitable for heating objects and small-scale dehumidification
•Fast heat generation, surface insulation, stable work, easy installation, long service life
•Product size: 90x60x42mm/90x60x52mm, heating material: PTC ceramic heating element
•The size is about the same as the mouse, can be used in a small space
•Ceramic thermostatic heating technology, continuous heat output, automatic climate work
•This item is 24V 300W

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$23.99

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Bestol

Bestol 1 PCS Room Heater 12V/24V 70W/120W/200W/300W Energy Saving PTC Car Fan Air Heater Constant Temperature Heating Heaters (24V 200W)

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•12V 70W/ 24V 200W/ 12V 120W /24V 300W PTC electric heater, suitable for heating objects and small-scale dehumidification
•Fast heat generation, surface insulation, stable work, easy installation, long service life
•Product size: 90x60x42mm/90x60x52mm, heating material: PTC ceramic heating element
•The size is about the same as the mouse, can be used in a small space
•Ceramic thermostatic heating technology, continuous heat output, automatic climate work

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$22.99

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Bestol

Bestol 12V 24V 220V 100W 200W 300W Insulated PTC Ceramic Air Heater PTC Heating elements Electric Heater PTC air heater (24V 100W 113 * 35 * 26MM)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•1 pcs,PTC products with constant fever, no open flame, heat conversion rate,subject to the supply voltage with minimal impact and other traditional heating elements can not match advantage,used in electric appliances in more and more popular in the R & D engineers.
•Energy saving: PTC product has an automatic energy-saving features,the heater when the ambient temperature is raised, the power will be gradually reduced,only 90% of rated power, 80%, or less.
•Safe and energy saving, stable performance, using ceramic constant temperature heating count, continuous output heat, automatic constant temperature work
•Quick response, PTC quickly converts electrical energy into heat, which is conducted to the surface of the aluminum shell within 10S, and can be used with a fan
•Long service life, 7*24 uninterrupted work, applicable scope: coffee machine, heated toilet, hyperthermia machine, etc.

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$9.49

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Zerodis

Zerodis Constant Temperature PTC Electric Fan Heater for Car Small Space Heating Incubator, Energy Saving Constant Temperature Heating Heaters(24V 180W)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•【Safety and Stability】Safety, stability, energy saving, environmental and long service life are the most significant advantages of PTC products. The normal use of 5000 to 10000 hours, power attenuation is about 15%. (Unlimited times of switches)
•【24V 180W】Safety, stability, energy saving, environmental and long service life are the most significant advantages of PTC products. The normal use of 5000 to 10000 hours, power attenuation is about 15%. (Unlimited times of switches)
•【Warming Up Quickly】This heater uses high temperature wire as the wire, heating quickly and long service life. With mounting holes for easy installation.
•【Pay Attention】The power of the product is related to the use mode, heat dissipation conditions, environmental temperature and other factors. The rated power given by us refers to the power at the ambient temperature of 24℃. Under these conditions, the air temperature at 5cm from the outlet is about 50℃ Celsius. (when the ambient temperature drops, the power of the heater will rise.)
•【Supplementary Explanation】The product uses heat-resistant silicone wire as the wire, the red line is "+" and the black line is "-". When bare wire extend from the heater,the positive and negative electrode are not distinguished. Please input the rated voltage and the sufficient current. When bare wire extend from the fan,the red is positive electrode and the black is negative electrode. Please input the rated voltage and the sufficient current.

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$13.70

$20.89

-34%

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