Sylvie Willis
Diesel heaters are a cost-effective and energy-saving way to heat enclosed spaces, such as campervans, RVs, and tiny homes. They are perfect for those seeking a reliable and efficient source of heat, offering several advantages over alternatives like propane and LPG heaters. However, the actual fuel and energy consumption of a diesel heater depend on various factors, including the model, the desired temperature, and the altitude. It is important to choose a heater that fits the size of your vehicle and consider the associated costs of fuel and power consumption. Proper insulation can help reduce heat loss and lower overall fuel consumption. Additionally, regular maintenance, such as cleaning the combustion chamber and changing the fuel filter, is essential to ensure optimal performance and prevent unexpected shutdowns due to low fuel levels.
| Characteristics | Values |
|---|---|
| Installation location | Under the front seats, on the opposite side of the sliding door |
| Mounting | Inside something, away from the head of the bed to minimize noise |
| Fuel efficiency | Very high |
| Fuel type | Diesel |
| Fuel quality | Ultra-low sulfur diesel is best to avoid carbon buildup |
| Fuel consumption | Depends on model, temperature, and altitude |
| Maintenance | Required to prevent parts from wearing out and fuel buildup |
| Safety | Exhaust pipe expels waste outside, keeping cabin air safe to breathe |
| Space constraints | Choose a heater that fits the size of your vehicle |
| Power source | Electrical charge to spark initial diesel combustion and power a fan |
| Use while driving | Should not be used when the vehicle is in motion |
| Exhaust pipe installation | Routed outside, facing the rear of the van, with specific slope and spacing requirements |
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What You'll Learn
Campervan diesel heater installation
Diesel heaters are a popular choice for campervans as they are efficient, reliable, and cost-effective. They are also known to burn cleaner, producing less soot than LPG heaters. When installing a diesel heater in a campervan, there are several important considerations and steps to follow.
First, decide on the best location for the heater. This will depend on factors such as the size and layout of your campervan. A common installation location is under the front seats, on the opposite side of the sliding door, to reduce noise and enhance safety. It is important to mount the heater inside something and keep it away from the head of your bed to minimise the effect of the noise it makes. Additionally, ensure that the heater is securely fastened and positioned correctly, with enough space around it for proper ventilation and maintenance.
Next, install the fuel pickup line. You have two options: using the primary tank or an auxiliary tank. If you use the primary tank, lower it on jacks to access the lid and install the fuel line. If you use an auxiliary tank, you may need to drill a hole in the tank to install the fuel line.
Once the fuel line is installed, it's time to set up the diesel heater exhaust pipe. This pipe should be routed outside the campervan, facing towards the rear, to safely vent exhaust gases. Follow the manufacturer's instructions to ensure proper installation and secure the pipe to avoid breathing in fumes. Drill through the floor to install the exhaust pipe and air intake, ensuring the combustion intake and exhaust length is less than 2 metres. Avoid bending these pipes too much, as it restricts air movement. Install the air intake facing away from the exhaust pipe to prevent the recirculation of bad air.
Before using your diesel heater, prime the fuel pump according to the manufacturer's instructions. The heater may be smoky the first time you use it. Additionally, ensure that you always use the highest quality diesel oil to keep the heater running efficiently, extend its life, and prevent carbon build-up. Regular maintenance is essential to keep your diesel heater in peak condition, which includes cleaning the combustion chamber, changing the fuel filter, and inspecting the exhaust system.
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Portable power for diesel heaters
Diesel heaters are a great way to keep warm, especially when camping outdoors or in a campervan. They are a reliable and efficient source of heat, offering advantages over alternatives like propane heaters. However, they do require some maintenance to keep them running smoothly, such as regularly cleaning the combustion chamber and changing the fuel filter.
When considering portable power for diesel heaters, it's important to note that diesel heaters require both diesel and electricity to function. An electrical charge is needed to spark the initial diesel combustion and power a fan to circulate the heated air. While diesel heaters don't consume a lot of power when running, they do draw a significant amount of current during start-up. This can drain a car battery quickly, so it's recommended to use a portable power station instead.
Portable power stations are an ideal solution for powering diesel heaters. They are large, robust batteries designed for outdoor use, providing enough charge for various devices when you're away from electrical outlets. They come in different sizes and capacities, catering to various applications, from single-night camping to extended RV trips. Additionally, they offer features like solar panel compatibility, USB ports, and 12V car outlets, making them versatile for powering different appliances.
When choosing a portable power station for your diesel heater, it's essential to consider the start-up wattage requirements of the heater, which is typically around 120W. The running wattage of a small to mid-sized heater is relatively low, ranging from 24Wh to 50Wh. To ensure your heater runs smoothly throughout the night, select a portable power station with a capacity of at least 500Wh. This will provide ample power for the heater and leave some extra capacity for charging other devices.
By using a portable power station with your diesel heater, you can enjoy a warm and comfortable night without worrying about power loss. Additionally, you'll benefit from the versatility and convenience that these power stations offer during your outdoor adventures.
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Diesel heater maintenance
Diesel heaters are a great way to keep enclosed spaces, such as campervans, warm. They are efficient and reliable, but they do require some maintenance to keep them in good working order. Here are some detailed instructions on diesel heater maintenance to keep your heater running smoothly and safely.
Installation
When installing a diesel heater, it is important to follow the manufacturer's instructions carefully. The heater should be mounted securely and positioned correctly, with enough space around it for ventilation and maintenance. The fuel pickup line and exhaust pipe should be installed according to the manufacturer's guidelines, with the exhaust pipe routed outside the vehicle, facing towards the rear, to safely vent exhaust gases. The combustion intake and exhaust pipe should be less than 2 metres long and not bent too much to restrict air movement. The air intake pipe should slope downwards to protect it from rain, and it should be at least 50cm away from the exhaust to prevent the recirculation of bad air.
Fuel
Always use the highest quality diesel oil to ensure efficient combustion and to extend the life of your heater. Low-grade diesel fuels contain more sulfur and contaminants, which can lead to carbon buildup, reduced flammability, and decreased heat output. Keep your fuel fresh and store it out of sunlight to prevent diesel bugs.
Regular Maintenance
To keep your diesel heater in peak condition, regular maintenance is essential. This includes cleaning the combustion chamber, changing the fuel filter, and inspecting the exhaust system. You can also clean the fan and fins by popping the plastic hood. To prevent soot buildup, you can splice an inline fuel filter into the fuel lines. Additionally, check all power connections and the air gap of the internal fan, which should be about the thickness of a business card.
Servicing
For more intensive servicing, the heater unit will need to be removed from the vehicle. This involves disconnecting the wiring for fan operation, the hot air ducting outlet, and the connections for the fuel inlet pipe, combustion air inlet, and exhaust outlet. The securing plates and clamps will also need to be removed, and the plumbing disconnected from underneath the heater unit. With the unit on a workbench, it can be disassembled and cleaned, with the outer casing removed. When refitting the unit, ensure that all connections are tight and sealed properly to prevent fuel and exhaust leaks.
By following these maintenance and servicing instructions, you can keep your diesel heater running efficiently and safely, preventing breakdowns and costly repairs.
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Fuel efficiency of diesel heaters
Diesel heaters are a popular choice for those seeking a reliable and efficient source of heat, especially in cold climates. They are commonly used in campervans, RVs, and tiny homes to provide warmth during chilly nights. The fuel efficiency of diesel heaters is influenced by various factors, and understanding these factors can help optimise the heater's performance and minimise fuel consumption.
Firstly, the inherent properties of diesel fuel contribute to the efficiency of diesel heaters. Diesel fuel has a higher energy density and a higher autoignition temperature compared to other fuels like propane. This means that diesel fuel contains more energy per unit volume, resulting in a higher heat output. Additionally, diesel fuel's longer ignition delay allows for better air-fuel mixing, leading to more complete combustion and less wasted fuel.
The combustion process in diesel heaters is highly efficient. Diesel combustion occurs at higher temperatures and under higher pressure, ensuring a more complete combustion process. This efficient combustion minimises energy loss and maximises heat production. The design of diesel heaters also plays a role in combustion efficiency, with advanced combustion chambers engineered to withstand high temperatures and pressures, further optimising combustion.
The efficiency of a diesel heater is also influenced by its heat retention characteristics. Diesel heaters are designed to retain heat for longer periods, reducing the need for continuous fuel combustion. This feature further optimises fuel efficiency by minimising fuel usage while maintaining a comfortable temperature.
Maintenance is crucial for ensuring the fuel efficiency of diesel heaters. Regular maintenance helps prevent issues such as fuel build-up and keeps the heater in peak condition. Cleaning the combustion chamber, changing the fuel filter, and inspecting the exhaust system are essential maintenance tasks. Additionally, using high-quality diesel oil is important. Low-grade diesel fuels contain more sulfur and contaminants, leading to carbon build-up, reduced heat output, and potential damage to the heater.
Proper insulation of the space being heated also impacts fuel efficiency. Insulation helps reduce heat loss, resulting in less frequent heating cycles and lower overall fuel consumption. This means that the diesel heater doesn't need to run as often or at such high settings to maintain a comfortable temperature.
Finally, the operating settings of the diesel heater can influence fuel efficiency. Some users have observed that the highest settings may not always be the most fuel-efficient, and finding the optimal setting can provide the best balance between heat output and fuel consumption. Additionally, features like \"boost\" mode may be more suitable for specific situations rather than continuous use.
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Safety considerations for diesel heaters
Safety considerations are paramount when installing and using a diesel heater. Here are some essential guidelines to ensure safe operation and mitigate potential risks:
Installation:
- Follow manufacturer guidelines: Follow manufacturer instructions carefully during installation. Improper installation can lead to inefficiencies and accidents. If unsure, consider hiring a professional.
- Mounting and placement: Mount the heater securely, following the manufacturer's instructions. Ensure it is installed on a flat, dry surface, away from moisture and potential damage.
- Fuel pump installation: The fuel pump's installation is critical for safety and functionality. It should be tilted upwards by about 15 degrees to ensure proper fuel pressure and prevent air accumulation. Keep it away from heat sources, especially exhaust pipes, to avoid damage.
- Exhaust system: The exhaust pipe should be routed outside, facing the rear of the vehicle, to safely vent exhaust gases. Ensure it slopes downwards to prevent condensation buildup. The air intake pipe should also slope downwards to protect against rain. Keep the exhaust and air intake pipes at least 50cm apart to prevent recirculation of harmful gases.
- Fuel line installation: Install the fuel pickup line carefully, following the manufacturer's instructions.
Maintenance and Operation:
- Use high-quality fuel: Low-grade diesel fuels can cause carbon buildup, reducing efficiency and potentially damaging the heater. Ultra-low sulfur diesel is recommended to meet industry standards and ensure safe operation.
- Regular maintenance: Maintain the heater to prevent parts from wearing out and to avoid fuel buildup. Clean the combustion chamber, change the fuel filter, and inspect the exhaust system regularly.
- Carbon monoxide poisoning: One of the primary risks of diesel heaters is carbon monoxide poisoning. Ensure adequate ventilation and install a carbon monoxide detector to mitigate this risk.
- Indoor-safe design: Choose a heater specifically designed for indoor use, featuring sealed combustion units and auto-shutdown mechanisms.
- Safety certifications: Opt for heaters certified by reputable safety organizations, such as Underwriters Laboratories (UL) or the European Committee for Standardization (CEN).
By adhering to these safety considerations, you can confidently use a diesel heater while mitigating potential risks to yourself and your property.
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Frequently asked questions
Diesel heaters are cost-effective and energy-saving, and they are perfect for those seeking a reliable and efficient source of heat. They are also versatile, durable, and can be used in almost any situation without worrying about access to an electrical outlet or a generator.
If you live in a sub-zero climate or a harsh climate, a diesel fuel heater is a good option. If you operate in the northern half of the United States, diesel winterization should be a priority to keep you moving through the cold season.
It is important to get a heating system that fits the size of your vehicle without being too strong or too weak. You should measure the size of your vehicle and determine the space that the heating system will occupy to get the right wattage. You should also research the model you are getting for consumption levels.
Maintenance is essential to keep a diesel heater running well. Some simple steps you can take include cleaning the combustion chamber, changing the fuel filter, and inspecting the exhaust system. It is also important to use the highest quality diesel oil to keep the heater running efficiently and extend its life.
