When embracing the freedom of campervan life or RV adventuring, maintaining a cozy interior temperature is crucial for comfort, especially during colder months. While propane heaters are common, many campers are turning to small diesel heaters for campers. These compact units offer efficient, reliable, and fuel-saving heating, drawing fuel directly from your vehicle’s diesel tank. They’re a fantastic way to extend your camping season and ensure warm nights no matter where your travels take you.
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Our Top 5 Best Small Diesel Heater For Camper Reviews – Expert Tested & Recommended
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1. Orion Motor Tech Diesel Air Heater
The Orion Motor Tech 5kW All-in-One Diesel Air Heater is a fantastic all-around performer. It’s designed to be a universal cabin heating solution, perfect for warming the interiors of various vehicles like sedans, SUVs, RVs, and trucks. Safety is a priority, with a flame-retardant casing and automatic shutdown features. Plus, the convenience of smartphone app control makes temperature adjustments a breeze.
Key Features That Stand Out
- ✓ 5kW heating power for efficient warming.
- ✓ Integrated 1.3-gallon fuel tank for extended runtimes.
- ✓ Built-in CO alarm for enhanced safety.
- ✓ Smartphone app control for convenient temperature management.
Why We Recommend It
This unit is highly recommended for its combination of power, safety features, and user-friendly controls. The ability to manage your camper’s temperature remotely means you can ensure a warm welcome even before stepping inside.
Best For
Ideal for RVs, campers, and vans where consistent and safe heating is a priority, especially for those who appreciate smart home technology integration.
Pros and Cons
Pros:
- Powerful heating output for its size.
- Integrated fuel tank simplifies setup.
- Advanced safety features, including CO detection.
- Convenient remote control via smartphone app.
Cons:
- Installation can require some DIY skills.
- The included CO alarm is a great addition but should not replace independent detectors.
Customer Reviews
Customer Review: Not too big of a unit but not the smallest out there. It packs plenty of punch given its size and works amazingly well for the truck cab of my box truck. I typically run locally but for those unique days where I am not able to make it back home, I can power this puppy on for the night and with $1.75
Customer Review: Used for a weekend camp trip. It ran all night and kept us comfortable. Easy to use and set up. Much smaller footprint than I expected. A great setup from OMT. Very quiet and puts out great heat.
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Compare Hotel Prices2. WAYSKA Diesel Air Heater
The WAYSKA 8KW Diesel Air Heater is an impressive unit with a substantial 15L fuel tank, making it perfect for longer trips. Its fast heating capabilities and low emissions mean you get a warm environment quickly without excessive fuel consumption. The inclusion of a muffler also helps keep noise levels down, which is always a bonus when camping.
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Key Features That Stand Out
- ✓ High 8KW heating power.
- ✓ Large 15L fuel tank for extended use.
- ✓ Comes with a muffler for quieter operation.
- ✓ Efficient volatile technology for quick ignition and combustion.
Why We Recommend It
This WAYSKA heater is a solid choice for those needing robust heating power and a generous fuel capacity. It’s built for efficiency and comfort, ensuring you stay warm during extended stays in your camper.
Best For
Excellent for larger RVs, vans, or campers that require significant heating power for longer durations, and for users who value a quieter heating experience.
Pros and Cons
Pros:
- Very powerful heating capacity.
- Large fuel tank reduces refueling frequency.
- Quieter operation thanks to the included muffler.
- Fast heating times.
Cons:
- The included LCD display may not offer Celsius/Fahrenheit toggle on all models.
- Requires proper ventilation and exhaust routing.
Customer Reviews
Customer Review: The media could not be loaded. This is the second diesel heater I have installed in RV’s/Campers. This is installed in our Trailmanor 3023 camper. The previous unit used this same RED thermometer and was able to be switched from Celsius to Fahrenheit. This RED thermometer will not do that. Also t
Customer Review: installed in Mercedes Sprinter (under passenger consumption) have been using for more than 1 month in turbo mode))) heats up, autonomously… does not drain the battery before starting the battery 13.1 … works at night… in the morning the battery is 12.9 – excellent, very economical
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Check Available Rooms3. 8500W Diesel Parking Heater
This 8500W Diesel Parking Heater is a fantastic option for those looking for powerful heating without breaking the bank. Its energy-saving design means it’s efficient to run, and the all-in-one unit simplifies installation. The upgraded LCD display and intelligent control system allow for easy temperature and timer management.
Key Features That Stand Out
- ✓ High 8500W heating capacity.
- ✓ Energy-saving efficiency with low fuel consumption (approx. 1 gallon per night).
- ✓ All-in-one design for easier installation.
- ✓ Intelligent control with LCD display, timer, and temp settings.
Why We Recommend It
For its impressive heating power and budget-friendly price point, this diesel heater is a standout. It offers great value for money, providing ample warmth for your camper.
Best For
Budget-conscious campers, RV owners, and van converters who need a powerful and efficient heating solution without a high upfront cost.
Pros and Cons
Pros:
- Excellent heating power for the price.
- Low fuel consumption makes it cost-effective to run.
- Straightforward installation with its integrated design.
- Versatile voltage options (110V/24V/12V).
Cons:
- Warranty and customer support can sometimes be challenging to navigate.
- May require some technical knowledge for optimal setup.
Customer Reviews
Customer Review: I bought this diesel heater but not much info on it. Found out it is sold under 3 different names. Contacted to find out about warranty to find they want me to go through Amazon with any questions. Tried to get a phone number from them but they beat around the bush and did not give any. It has a 2 y
Customer Review: This heater worked absolutely for this right on the box. Everything that came with it was quality well put together a very impressed with the heat output.
4. 8500W Portable Diesel Air Heater
The 8500W Portable Diesel Air Heater is designed for versatility and performance. It offers fast heating and low fuel consumption, making it an economical choice for keeping your camper warm. The unit includes an LCD monitor and remote control, simplifying operation and temperature adjustments.
Key Features That Stand Out
- ✓ Powerful 8500W heating output.
- ✓ Low fuel consumption for cost-effective heating.
- ✓ Portable design for easy placement.
- ✓ LCD monitor and remote control for user convenience.
Why We Recommend It
This diesel heater is a reliable option for maintaining a comfortable temperature in your RV or camper. Its combination of heating power, efficiency, and user-friendly controls makes it a practical choice for many travelers.
Best For
RV owners, van dwellers, and workshop users looking for a portable and powerful heating solution that is also fuel-efficient.
Pros and Cons
Pros:
- Effective and rapid heating.
- Good fuel economy.
- Easy to operate with the remote and LCD.
- Versatile power options (12V/24V/110V).
Cons:
- Some users report receiving a non-functioning unit, though replacements are usually prompt.
- Detailed installation instructions might be sparse.
Customer Reviews
Customer Review: Nice little heater. I live in Alaska. Brought this to supplement the oil broiler in my 2000 sqft shop. Works very good. Runs about 5 to 6 hrs on a tank of fuel. I have been running heating oil thru it and seems to like it as much or more than diesel. Heating oil is cheaper and has more btu than dies
Customer Review: First one didn’t power on but was replaced quickly with no problems. Very good communication from seller would buy from this seller again
5. 5KW Aluminum Diesel Heater
The 5KW Aluminum Diesel Heater stands out with its unique all-aluminum housing and talking control function. This heater is built for durability and ease of use, offering fast heating and efficient performance, even at high altitudes. The 15L tank ensures you have plenty of fuel for extended heating sessions.
Key Features That Stand Out
- ✓ Durable all-aluminum housing.
- ✓ 5KW heating power suitable for many camper sizes.
- ✓ Unique talking function for voice prompts.
- ✓ Includes a 15L fuel tank.
Why We Recommend It
This heater is a great choice for those who appreciate innovative features and robust construction. The talking controls add a unique touch of modern convenience, and its performance is consistent and reliable.
Best For
Campers and van owners who desire a durable, easy-to-operate heater with a modern interface and good heating performance, especially in varied conditions.
Pros and Cons
Pros:
- Robust and durable aluminum construction.
- User-friendly with talking voice prompts.
- Good heating efficiency, suitable for high altitudes.
- Includes a substantial fuel tank.
Cons:
- May be more expensive than basic models due to advanced features.
- The “talking” feature might not appeal to all users.
Customer Reviews
Customer Review: BUY THIS ONE. This one is more expensive, but it is WAY better than the cheaper options. I bought this after an unfortunate experience with a cheaper unit and it is very different. The cheaper unit didn’t respond to the thermostat, customer service was hopeless, and a bearing seized up in a few mont
Customer Review: BUY THIS ONE. This one is more expensive, but it is WAY better than the cheaper options. I bought this after an unfortunate experience with a cheaper unit and it is very different. The cheaper unit didn’t respond to the thermostat, customer service was hopeless, and a bearing seized up in a few mont
Complete Buying Guide for Best Small Diesel Heater For Camper
Essential Factors We Consider
When selecting the best small diesel heater for camper use, we look at several critical factors. First and foremost is heating power (measured in kW) – ensuring it’s adequate for the size of your camper without being overkill. Fuel efficiency is another key aspect; we prioritize models that offer a good balance of heat output and low fuel consumption. Ease of installation and use is also paramount; a good unit should be relatively straightforward to set up and operate, whether that’s via a digital controller, remote, or even a smartphone app. Safety features, such as overheat protection and carbon monoxide alarms, are non-negotiable. Finally, durability and build quality are essential for longevity on the road, ensuring your heater can withstand the vibrations and conditions of travel. Think about something like finding the best on-demand electric water heater for RV, where reliability and efficiency are just as important.
Budget Planning
The cost of small diesel heaters for campers can vary significantly. Entry-level models can be found for a few hundred dollars, while high-end units with advanced features and robust build quality can cost upwards of $500 or more. When budgeting, consider not just the initial purchase price but also the cost of installation (if you’re not doing it yourself) and ongoing fuel expenses. A more efficient, albeit slightly more expensive, unit might save you money in the long run due to lower fuel consumption. Don’t forget to factor in potential accessories like extra fuel lines, exhaust pipes, or controllers. For those looking to save on other camping gear, exploring options like the best cheap canvas for old pop up camper can free up budget for essential heating solutions.
Final Thoughts
Choosing the right small diesel heater for camper life is about finding a balance between power, efficiency, safety, and cost. Whether you prioritize a simple, budget-friendly option or a feature-rich, smart-controlled unit, there’s a diesel heater out there to keep you warm and comfortable on all your adventures. Remember to always follow manufacturer guidelines for installation and operation to ensure safe and optimal performance.
Frequently Asked Questions
Q: Are diesel heaters safe for use in a camper?
A: Yes, when installed and operated correctly, diesel heaters are safe. Most modern units come with essential safety features like overheat protection and automatic shut-off. However, proper ventilation and the use of a carbon monoxide detector are crucial for added safety.
Q: How much diesel do these heaters consume?
A: Fuel consumption varies by model and heat setting, but generally, diesel heaters are very fuel-efficient. Most models use between 0.1 to 0.5 liters of diesel per hour on high settings, making them economical for extended use.
Q: Can I use a diesel heater inside my RV while sleeping?
A: Yes, many people use their diesel heaters while sleeping. It’s vital to ensure the unit is properly installed with a functioning exhaust system to vent fumes outside and to have a working carbon monoxide detector inside the RV.
Q: What is the typical lifespan of a small diesel heater?
A: With proper maintenance and care, a good quality diesel heater can last for many years, often 5-10 years or even longer. Regular cleaning and checks of the combustion chamber and fuel system are recommended.
Q: Do I need a separate fuel tank for my diesel heater?
A: Many smaller units come with their own integrated fuel tanks, which are convenient. Larger or more powerful units might be designed to draw fuel directly from your vehicle’s main diesel tank, requiring a tapping kit.
Staying warm on your camper adventures significantly enhances the experience, and a small diesel heater for camper vans and RVs is an excellent investment. By carefully considering the features, your specific needs, and your budget, you can find a reliable heating solution that will keep you comfortable no matter the season. Explore your options, read reviews, and get ready to enjoy cozy nights on the road!