oil vs oil-less air compressor

Oil Vs. Oil-less Air Compressor. Which is better?

Oil Vs. Oil-less Air Compressor

Buying an air compressor can be a daunting task, and knowing that you have the option of getting an oil-less or and oil air compressor does not make the decision easier. It adds more pressure to the decision-making process. It may not seem like a big thing to consider, but in reality, it can have a lot of impact on the way your air compressor works.

Therefore, you need to gain some knowledge of both types of air compressors. Only then should you conclude which one will serve you better.

Oil or oil-free

Even though technology and machines are much advanced nowadays, there isn’t much difference in the workings of oil and an oil-free air compressor. However, it is essential not to confuse this trait of an air compressor with the other ones. The bigger picture is what you need to look at and consider the most common type of air compressor before doing your research.

We will take into consideration the most common type of air compressor, which is the single-stage piston air compressor. The others are too big or small. The single-stage one is used in homes and workshops almost everywhere. Most of these types of air compressors use splash lubrication to function; the compressors use the rotating dippers (which are attached to the connecting rods at the bottom). When the dippers move, they splash the oil (in the reservoir) up onto the moving parts inside the compressor.

Oil vs oil-less which is better?

Once you know the difference between the two types of air compressors, it is easy to determine which one is better. There is a lot of information/questions going on in the market, which is not valid, so we will take some time to find out what is the truth.

Oil air compressors have a longer lifespan

It is widely believed that air compressors that do not use any oil are not very durable or sturdy, which does not make them as valuable. It is also thought that they have a shorter lifespan. On the other hand, it is believed that oil air compressors are more durable, robust, and last a long time because they require regular maintenance and use oil.

This fact may have been a long time ago, but ever since the advancement of technology, it does not hold the same weight anymore. The reality is that oil-less air compressors are known to work better, are more protected, and operate cooler, which makes them highly dependable.

Oil air compressors are quieter

The statement would have been true if we were discussing oil-free air compressor of the very beginning’ those were very loud. Now that machines are far more developed, oil-less air compressors come with a new sound reducing feature, along with dual-piston pumps, and direct drive; thus, they are much quieter now than the oil ones.

Oil air compressors can endure intense conditions and work cooler

It is to be noted that due to their dual-pump design, oil-free sir compressors can quickly reach their required CFM in half RMP that it takes an oil one. They come with heat-dissipating cylinders, made of aluminum, to allow them to work cooler. A lot of people who live in cold areas prefer the oil-less air compressors as they can withstand the freezing weather. Oil can turn to sludge in such cold weather, which is why oil ones are not so great for these conditions.

When it comes to the hot weather, oil air compressors are better to use as the heat they produce is dissipated at a faster rate. They also ensure that rust does not build up because of the humidity.

Oil air compressor Pros & Cons

These air compressors are mostly used in workshops and by professionals, or in a factory. They have become standard because they are best to use when high volume and air pressure is required for almost the entire day. Proper maintenance means that they will last a few good years.

· They are suited for professional use

· They ensure a higher cfm rating as they are capable of producing higher rpm’s.

· They are quite heavy, and most of them are not portable.

· They need regular maintenance

· The best type to use in hot weather conditions

· The oil can easily contaminate the air

Oil-less air compressor Pros & Cons

The duplex pumps work at low rpm, which ends up decreasing the amount of heat, friction, and noise, which ensures that the pump has a longer life. This type of air compressor also comes with improved extracting and casting tolerance and frictionless coating. Thus, the oil-less air compressor is a great one to use under many conditions.

· The air around the workplace will remain clean

· It does not weigh too much which makes it more portable

· It does not need any oiling or maintenance as such

· Oil filters are not required

· Suitable to use in extreme cold weather

· It is efficient and quieter

Choosing between the two

The first thing you need to ask yourself is what is the primary application of the air compressor you need; after that, you will consider how much you will use it and other features such as its cost. Oil-less, like the oil air compressors, come in different types as well, so they are suited for bigger jobs too.


Whether you are a professional and own a workshop, or you are a newbie, and you are looking for a portable air compressor to make your work easier, then the best option for you is the oil-free air compressor.

If you are looking for one that will be used for commercial purposes or all day long, then the best options would be the oil air compressor. If you are okay with the downside of the machine (noise and impurity), then it is a perfect choice as it will make sure that your work is done correctly.

The main thing you need to ensure is that you get the air compressor that fits your needs perfectly.