You may find yourself in a situation where a need arises to buy a new diesel heater. Whether this is your first purchase or your twelfth, there is a lot to learn about this kind of heater in order to make an informed decision. You could stumble across some good ones, but are they the right ones for you?

Diesel heater working principle diagram

Let’s unpack everything you need to know about diesel heaters so you can buy the perfect one for your needs starting with the basics.

What is a Diesel Heater?

As the name suggests, it is a device that helps heat up the air inside any vehicle or vessel. For example, if you are an RV person, you will find that a road trip without a heater is torture. With cold or unexpected weather conditions, a heater guarantees you feel comfortable inside your vehicle. 

Warming Passenger Compartment

Parking heaters work best on vehicles that operate on diesel already. This is because its installation becomes as simple as connecting the device to the preinstalled fuel system. Diesel is an amazing fuel for this kind of heater since it is available everywhere. Not to mention that it is super affordable so it doesn’t hurt your budget. It is also incredibly powerful so it offers great value for its price.

When it comes to safety, diesel heaters are totally secure. For instance, overheating is out of the question since they typically automatically turn off when the temperature limit is hit. This is an excellent feature to have so you always feel some peace of mind when it is on.

A diesel heater has another great perk which is that it runs pretty quiet and steady. You won’t hear it from across the street since it is so smooth running. No loud-sounding vibrations or cackles. Stealth mode: on!

How to Choose the Right Diesel Heater?

First, you need to find out the fundamentals of air heaters like what kind of hardware is used and the mechanism of its operation. Once you are sure that these basics fit what you are looking for, you can start looking into the voltage you need as well as the dimensions that match your vessel. Things like the rate of the air flow and the power consumption levels are also vital to consider.

Warmda Diesel Heater 3D Exploded View

Let’s get to the details on what makes a diesel heater differ in quality and function and how that could impact your purchase.

Understand the Process

Learning how this device works will help you skim through all of the options out there and identify the right one.

Well, the vehicle’s external pipe takes in some air which then enters the heater’s combustion chamber. In there, it is mixed with diesel and ignited safely. This process gives all the heat needed to move on to the next step.

The warm crisp air comes out of the outlets of the vessel into its cabin. This is repeated throughout your journey or for as long as you keep the heater on.

You don’t need to worry about the exhaust fumes since it gets separated and expelled from the vehicle through the exhaust pipe. This means the air you are breathing is completely safe and toxicity-free.

In plain terms: an air heater extracts cold air from outside the vehicle, combines it with diesel to combust and generate heat, and finally warms you up with the warm air that resulted.

Now that you have an idea of how it works, let’s break down the tools this device uses to achieve the end result.

High-Quality Components

Warmda Parking Heater All Accessory Diagram
Warmda Diesel Heater All Accessory Diagram

The interior hardware of any machine are the elements that guarantee its quality. By making sure you have the best components on the inside, you will enjoy longevity and safety in your product. We will tell you about the most important parts to look for before buying your next diesel heater.

Combustion Chamber

Warmda Diesel Heater Combustion Tube
Warmda Diesel Heater Combustion Tube

The motor and combustion chamber are the cornerstone of any air heater. 

A good quality one will keep you and your vehicle safe from the constant combustions happening in the heater. Not only that but it will also make it very unlikely to leak any combustion exhaust air into your vessel. 

Considering this hardware will also save you some fuel and some money. Poor quality heaters consume so much fuel which is bad for the environment and your wallet. You want one that will utilize the diesel you get responsibly.

It is also important because it determines how quiet the heater runs. You don’t want to suffer from loud sounds and vibrations every time you enter your vehicle. Some people would rather freeze! High-quality manufacturers, like VVKB, focus on the precision machining of the motor to maintain its balance and thus keep vibrations to a minimum. 

These are not things you can sacrifice so be very careful not to overlook the quality of this part.

Glow Plug

Warmda Diesel Heater Glow Plug
Warmda Diesel Heater Glow Plug

This is a small but essential part of your diesel heater since it is responsible for the combustion process that occurs inside the motor chamber. If your glow plug is faulty, that could mean your whole heater is useless.

If you are planning to use this heater in locations that have extremely cold weather that reaches a freezing degree, a high end glow plug is crucial. Without it, the heater might not perform well or actually might not perform at all.

Fuel Pump

Warmda Diesel Heater Fuel Pump
Warmda Diesel Heater Fuel Pump

If you are installing a diesel heater, you probably own a diesel powered vessel to begin with. That works great since it can just use the same fuel used for your vehicle without its own tank. But the fuel from the main tank to the heater needs to travel somehow and that is where the fuel pump comes in.

Since it is an external part of the heater, it needs to have extra security so you can feel safe installing it and enjoy its full efficiency. So be sure its clamps and pipes are rust resistant and high quality so it never fails you.

Exhaust Pipe

Structure of warmda exhaust pipe
Warmda flexible exhaust pipe

This piece of hardware is tremendously important for two reasons. The first is that this pipe ensures any harmful toxic air is expelled from your heater without entering your cabin. That means if there is anything wrong with your exhaust pipe, you could be risking the safety of the air you are breathing. 

The second reason is that exhaustion can be pretty loud. You want to limit that noise as much as possible to enjoy your time inside your vessel. You shouldn’t have to choose between staying warm or losing your sanity. 

That’s why we recommend stainless steel pipes that are sturdy and resist punctures and bumps. In addition, look for exhaust pipes that contain a spiral thread. The advantage of the spiral exhaust pipe is that it’s easy to install and reduces noise.

Finally, vibrations can be limited to a minimum by taking care of the quality of the exhaust pipe clamps. These small parts may seem insignificant in comparison with a motor chamber or an 

engine for instance but they are the metaphorical glue that holds everything together. If uninstalled properly or if they are poor quality ones, you can expect some consequences like exhaust leakage and extra vibrations.

Heater Case

With the quality of the inside of your heater guaranteed, you might want to check up on the exterior. The casing of a diesel heater is extremely important because it protects all the parts inside from damage keeping you, your heater, and your vehicle safe. Cheaper heaters tend to have lower quality material that may produce toxic substances.

You want to look for rust resistant and heat resistant materials that can really withstand the crazy heat on the inside and the extreme cold on the outside. Aluminum, for example, is one of the highly recommended materials used for casings. A high-quality reinforced nylon casing can withstand lower temperatures. 

Now we can move on to other points about diesel heaters that you need to consider once you have made sure that your hardware is in check.

Smart and Easy to Use

The electronic control system of your diesel heater is super important for you as a user. It needs to be convenient without any unnecessary complications but also intelligent with different features and controls. 

Some features to look out for are, for example, an automatic timer which you can use to preheat your vessel. Who doesn’t want to step into a warm vehicle on a freezing day?

Something that can be greatly beneficial for you is temperature sensors that ensure the temperature in the vessel is maintained at a comfortable, reasonable, and optimal level.This will prevent your heater from overworking and consuming unnecessary fuel.

Also look for models that run diagnostics on your diesel heater each new time you use it. That way you can avoid any problems you may face once you get moving while you are still parked. 

There are also some models that offer a smart mobile application which can be an excellent addition to your choice.

Level of Diesel Consumption

Diesel is a fairly cheap fuel but it is still not okay to burn away without any need to. You can save yourself and the environment a great deal by making sure your choice of diesel air heaters does not consume too much fuel.

You can do that by learning the average consumption range. Being aware of this info is sure to help you decide on the one that works best for your needs as well as does not consume too much for its voltage.

Level of Power Consumption

Yep, it also consumes power so you will need to be aware of the watts it consumes as well. You don’t want to go over the top with your pick of wattage if you don’t absolutely need it since it increases the heater’s running cost significantly.

Voltage Rating

This is another situation where you don’t need to go too low nor too high. Except if you are always in sub-zero climate or moderate weather. You should go with a voltage that matches the voltage of your vehicle or ship’s battery. Most batteries are either 12V or 24V.

Warmda diesel heater customized for construction machinery
Warmda diesel heater customized for construction machinery

You do not want to risk your safety by getting a low rated voltage diesel heater with a high voltage power source. Overheating and other repercussions can result from the wrong combination.

So be sure to take your time with this choice since it matters not only to the functionality of the heater but also your safety.

Functionality and Design

All diesel heaters are designed to heat but few last very long before starting to malfunction in various places. So picking the right functionality can help you avoid any problems that may arise from misuse or faulty design.

There are some functionality and design hacks that really set some diesel heaters apart from others. For instance, heaters with a valve that stops any fuel from entering the burner when there is not any flame or if the heater is misplaced can help you escape risks of leakage, wrongful combustion, or inhaling of toxic air.

Truck with Warmda heaters
Truck with Warmda heaters

Another helpful nugget is that if you are planning to install yourself, there are models that support your endeavor. Assembling and installing can get tricky but there are diesel heaters that are super user friendly that you can try your hand in.

Safety Compliances

Because diesel heaters can be dangerous if not properly inspected and regulated, we recommend you look for quality and safety compliances to avoid any risk.

Warmda offers diesel heaters that have undergone meticulous testing and that follow strict standard guidelines. When it comes to security, quality, and performance, you can rest assured that you are getting a diesel heater that will check off all of those boxes.

The most important marks to look out for are the RoHS, FCC, CE, and TUV compliances. You also should not leave the store without getting your warranty since that will definitely protect you against any faulty units.

In Conclusion

Diesel heaters are a useful device to have if you are suffering from weather conditions beyond your control. But don’t forget to put your safety first and pick a trusted supplier of heaters as your go-to. Warmda LLC can help you with all of your diesel heater needs and questions.

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