Top 8 Best 20 Gallon Air Compressors Reviews 2021& Buying Guide

If you are looking for a combination of portability and power, a 20-gallon air compressor is a right choice.

They are the most popular mid-size air compressors designed specifically to operate occasional and lightweight wind tools. They are suitable for homeowners, small tasks, and DIY’ers.

Just like any other device, there are certain factors to consider when buying the best 20-gallon air compressor. Some of them are mentioned below.

  • Maximum Air Pressure: It tells you about the maximum air pressure that can exist inside the air tank. Any value of more than 120 PSI is more than enough for most users.
  •  Motor Power: All air compressors use an electric motor for compressing air and storing it in the air tank. But since the size of the air tank is quite large with high air pressure inside, this process can take a lot of time. Choose a higher rating for better results. Single-stage compressors come with 1 to 5 HP while two-stage compressors come with 1 to 14 HP.
  • CFM Rating: It tells you about the amount of air coming out of the air compressor. CFM stands for Cubic Feet per Minute that is quite useful for various applications. And a CFM rating of 5 or higher is considered to be great for 20-gallon air compressors.

Check out the other factors for choosing a 20-gallon air compressor in our detailed shopping guide. Based on these factors, we have selected the best 20-gallon air compressors.

Best 20 Gallon Air Compressor 2020

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Top 20 Gallon Air Compressor: Reviews

1. DeWalt 20-Gallon Portable Air Compressor

DeWalt 20-Gallon Portable Air CompressorBest 20

DeWalt is a very popular brand known for making all kinds of power tools. But as you might expect, it also makes various air compressors, including the one in this article.

The default DXCMPA1982054 is in the first position in this article because it is the best performing option in this article. It comes with a 1.9 HP motor that fills its 20-gallon air tank quickly and easily. It even offers a maximum air pressure of 155 PSI.

You get a CFM rating of 7.0 CFM at 40 PSI and 5.7 CFM at 90 PSI. As a result, you can use this air compressor for most applications. You can use this converter with 120-volt power outlets or 240-volt ones.

Best Features:

  • 155 PSI maximum air pressure
  • 9 HP motor power
  • 0 CFM at 40 PSI and 5.7 CFM at 90 PSI
  • 1-year warranty
  • Works with both 120 volts and 240 volts
  • Equipped with the quick-set regulator
  • Inbuilt pressure gauge
  • Great build quality

Components:

  • Air compressor
  • User manual
  • Warranty card
Letest Price on Amazon

 

2. Briggs & Stratton Air Compressor

Briggs & Stratton Air Compressor

If you are looking for air compressors then Bridges & Stratton is another great option. And unlike the other options in this article, this is a very compact 1-gallon air compressor.

This Briggs & Stratton air compressor ranks second in this article because it is the only 1-gallon air compressor. And yet, it can offer a maximum air pressure of 100 PSI. It can deliver this because of the relatively powerful motor of 0.2 HP.

It offers a CFM rating of 0.5 CFM at 40 PSI and 0.3 CFM at 90 PSI. In other words, this air compressor is designed for more straightforward applications such as filling car tires. The great thing about this air compressor is that it uses an oil-free pump which is quite reliable.

Best Features:

  • 100 PSI maximum air pressure
  • 2 HP motor power
  • 5 CFM at 40 PSI and 0.3 CFM at 90 PSI
  • Oil-free pump
  • Durable and reliable air compressor
  • Small and compact option
  • Made for simpler applications
  • Quick connect coupler

Components:

  • Air compressor
  • User manual
  • Warranty card
Letest Price on Amazon

 

3. Industrial 20-Gallon Belt Driven Air Compressor

Industrial 20-Gallon Belt Driven Air Compressor

As its name suggests, Industrial Air is known for making all kinds of air compressors. And we are here with one of the famous 20-gallon air compressors offers from Industrial Air.

Industrial Air’s IL1682066.MN ranks third in this article because it is a great option if you are looking for high-performance air compressors. Although it is a bit expensive, this vertical air compressor offers a maximum air pressure range of 135 PSI.

You also find wheels in this air compressor that are quite practical. Its 1 HP motor can give you a CFM rating of 6.2 CFM at 40 PSI and 5.3 CFM at 90 PSI. As it is a well-known and reliable brand of air compressors, you also get 2 years warranty with it.

Best Features:

  • 135 PSI maximum air pressure
  • 1 HP motor power
  • 2 CFM at 40 PSI and 5.3 CFM at 90 PSI
  • 2-year warranty
  • Equipped with wheels
  • Reliable air compressor
  • Vertical shape

Components:

  • Air compressor
  • User manual
  • Warranty card
Letest Price on Amazon

 

4. Eagle EA-6500 Silent Series Air Compressor

Eagle EA-6500 Silent Series Air Compressor

If you are looking for air compressors then Eagle EA 6500 may be the second-best option. In this article, we have mentioned a great option from the silent series of air compressors.

According to the name of this air compressor, it has a relatively silent motor. As a result, its 2.5 HP high power motor can be easily used at home to fill the air tank of this air compressor. Its 20-gallon air tank can offer a maximum air pressure rating of 125 PSI.

It can offer a CFM rating of 7.9 CFM at 40 PSI and 6 CFM at 90 PSI due to its powerful motor. As a result, if you need a high CFM value for your application, this can be a great option. In this air compressor, you get an oil-free double piston pump which is quite convenient

Best Features:

  • 125 PSI maximum air pressure
  • 5 HP motor power
  • 9 CFM at 40 PSI and 6 CFM at 90 PSI
  • Various gauges
  • Oil-free double piston pump
  • Comparatively silent motor
  • Vertical compact design

Components:

  • Air compressor
  • User manual
  • Warranty card
Letest Price on Amazon

 

5. WEN  20-Gallon Air Compressor

WEN  20-Gallon Air Compressor

WEN is a lesser-known brand that also offers a variety of air compressor options. If you are on a budget, the WEN air compressor option in this article may be the best choice.

One of the great things about this WEN air compressor is that it has value money products. Despite its affordable price, it offers a 1.5 HP motor with a 135 PSI air tank. And it also comes with a 2-year warranty which makes it extremely reliable and durable.

This 20-gallon vertical air compressor is capable of offering 5.0 CFM at 40 PSI and 3.8 PSI CFM rating at 90 PSI. That’s a decent price to pay. You have easy access to the drain valve and wheels in this air compressor which can be quite convenient.

Best Features:

  • 135 PSI maximum air pressure
  • 5 HP motor power
  • 0 CFM at 40 PSI and 3.8 CFM at 90 PSI
  • 2-year warranty
  • Inbuilt wheels
  • Easy to reach drain wheels
  • Twin gauges

Components:

  • Air compressor
  • User manual
  • Warranty card
Letest Price on Amazon

 

6. Campbell Hausfeld Air Compressor

Campbell Hausfeld Air Compressor

Campbell Hausfeld is another very popular brand that makes all kinds of power tools. But it also makes air compressors, including the 20-gallon option in this article.

Because it is made by a very famous brand, you get a maximum air pressure rating of 150 PSI. Its 20-gallon tank can fill this high-pressure surface easily and quickly due to its 1.3 HP motor. And you can use this motor for a long time as long as you get a 1-year warranty.

As far as its CFM rating is concerned, it offers 4 CFM at 90 PSI due to the oil-free pump. Compared to other similar options when the motor of this air compressor is also quite quiet. You’ll also find handlebars and wheels in this air compressor that are quite simple.

Best Features:

  • 150 PSI maximum air pressure
  • 3 HP motor power
  • 4 CFM at 90 PSI
  • 1-year warranty
  • Inbuilt handle and wheels
  • Easy to store when not in use
  • Oil-free pump design
  • Comparatively silent

Components:

  • Air compressor
  • User manual
  • Warranty card
Letest Price on Amazon

 

7. Porter Cable 20-Gallon Portable Air Compressor

Porter Cable 20-Gallon Portable Air Compressor

Porter-cable is also known for making various useful tools and related accessories. It even makes air compressors for pneumatic tools, including the ones mentioned here.

In this air compressor, you get a 20-gallon air tank with a maximum rating of 150 PSI. And it’s a high price for products because of the affordable price tag. It even comes with a 1.5 HP motor which is quite powerful for its given price.

The great thing about this air compressor is that it comes with a 1-year warranty. This means that if you are looking for air compressors, this is a very reliable option. You can also get a CFM rating of 5 CFM at 40 PSI and 4 CFM at 90 PSI.

Best Features:

  • 150 PSI maximum air pressure
  • 5 HP motor power
  • 0 CFM at 40 PSI and 4.0 CFM at 90 PSI
  • 1-year warranty
  • Value for money
  • Durable and Reliable
  • Vertical design with inbuilt wheels

Components:

  • Air compressor
  • User manual
  • Warranty card
Letest Price on Amazon

 

8. Husky 20 Gal Portable Air Compressor

Husky 20 Gal Portable Air Compressor

Finally, we have another 20-gallon air compressor option in this article. And it’s made by Husky, who offers a variety of air compressor options out there.

Due to the highly durable air tank, it offers a maximum pressure of 175 PSI. Since it is much better than the other options out there, this can be a great option if you want a high-pressure air compressor. You can also find a 1.3 HP motor in it to fill the air tank quickly.

As far as its CFM rating is concerned, you get 5.2 CFM at 40 PSI and 4.0 CFM at 90 PSI. This is great when you consider the cheap price of this air compressor. It also includes 7-inch wheels for efficient storage of this air compressor when not in use.

Best Features:

  • 175 PSI maximum air pressure
  • 3 HP motor power
  • 2 CFM at 40 PSI and 4.0 CFM at 90 PSI
  • 7-inch wheels
  • Durable construction
  • Inbuilt pressure gauge
  • Value for money
  • High-pressure air tank

Components:

  • Air compressor
  • User manual
  • Warranty card
Letest Price on Amazon

 

How to Choose the Best 20 Gallon Air Compressor?

When buying a 20-gallon air compressor, there are a few things to consider. Details of each element are provided below. Read them carefully to understand which one is best suited to your needs.

1. Different Types of Air Compressors

There are two types of air compressors – single-phase and two-phase.

  • Single Stage Air Compressors – They have one cylinder which pumps compressed air directly into the tank. 120 psi is the compression of a single-stage air compressor. It is suitable for light work, simple applications, sawing, and nailing.
  • Two-Stage Air Compressors – As the name implies, they have two cylinders. Air will be moved from the cooling tube into another cylinder at 90 PSI and then into the tank at 175 PSI. If you need high pressure, then this is the right choice. Some people think two-stage models are only for professional purposes but that is not completely true. It can be used for some heavy-duty residential tasks as well.

2. Tank Capacity

When buying an air compressor, you see the important and annoying things that come to you. To help you, we’ve provided an instant supply below.

A 20-gallon air compressor will have an air tank with a capacity of 20 gallons of compressed air. But how long the air in this tank can last depends on the pneumatic tools you are using for power.

3. CFM Rating

All air compressors come with a CFM rating which is important to consider when analyzing models. CFM stands for Cubic Feet Per Minute, which describes the amount of air coming in from the air compressor. And it can be very useful for any type of pneumatic tool that requires a high CFM rating.

The CFM rating of any air compressor varies at different pressures or PSI levels. This is usually higher at lower PSI values ​​and decreases as the pressure inside the air tank of the air compressor increases. Most 20-gallon air compressors offer a CFM rating of 5 or higher.

Generally, you have to buy a compressor that can provide you with 20% more airflow than the required device. For example, for this device you need 2 CFM at 90 PSI, then you should go for a model that has at least 3CFM at 90 PSI. CFM requirements are usually provided based on package features. You can also find them on the brand’s official website.

4. Maximum Air Pressure

Checking is important because it can handle the range of the air compressor and the pressure inside the tanker. This is especially important for those looking for high-pressure air pressure for certain applications.

Maximum air pressure is measured in pounds per square inch (PSI). Most air compressors have enough pressure to power wind tools. For example, an inch ”inch twin hammer wrench requires 90 PSI. Almost all 20-gallon air compressors have a PSI of 120 and above. This makes it easy to power any tools. But purchasing the maximum PSI range offers one advantage – make more tools more powerful.

5. Motor Power

You should also check the motor power of the air compressor you are buying. A powerful motor in your air compressor makes it quite practical for many users. The air compressor motor is responsible for storing air inside the air tank. But since the size of the air tank is quite large with the air pressure inside, this process can take a long time.

Depending on how fast you dismantle the tank, having high motor power can be quite useful. Keep in mind that the air compressor which has more motor is capable of filling and then the tank becomes faster than others. However, it can also be hot. Single-stage compressors come with 1 to 5 HP while two-stage compressors come with 1 to 14 HP.

6. Duty Cycle

This is an important consideration when buying a compressor. This is usually represented as a percentage, indicating that the compressor can run for 10 minutes.

For example, a low-quality compressor has a 50% duty cycle – stating that it can run more than 5 minutes in a 10 minute period. Most industrial range compressors have at least a 75% duty cycle. And some can even reach 100, which means you can run them permanently without any problems.

To provide a clear idea of ​​how the duty cycle helps you, we’ve provided an example below.

Suppose you and your friend have a barn painting using a 10 CFM compressor. Your air compressor has a 65% duty cycle while your friend’s compressor has a 50% duty cycle. So, to get the job done, you can paint for 6 minutes and wait for 3 minutes and repeat. When it comes to your friend, he can paint continuously for 5 minutes and wait another 5 minutes before repainting.

To provide another example, a 5HP air compressor with a 100% duty cycle can run continuously from 7.5 HP with a 75% duty cycle. So, by spending a little more money, you can buy such a model

7. Power Source

When buying an air compressor, you should consider whether you prefer electric models or gas-powered ones.

  • Gas-Powered Air Compressors – They are the best option for people who want a portable option. Moreover, they can be used easily even when no electrical outlet is available at the site. As they require gas for running, they emit very dangerous fumes, especially if used indoors.
  • Electric Air Compressors – Compared to gas models, they are more convenient. However, you will require an electrical outlet close to your working place. They are quieter and less expensive as well. But as they are tethered to an electrical outlet, they are less portable. So, electrical air compressors are not suitable for industrial work and heavy-duty tasks.

8. Power Requirements

Considering the amperage of an air compressor is a very important aspect. 20-gallon air compressors have larger motors and require more power than portable compressors. Most of them require at least 120V power and 20A to provide efficient performance.

If you try to reverse the 20A required compressor in the circuit with 15A, then this fluctuation can blow the circuit breaker. Besides, if you are using an extension cord on high amperage devices, it may cause the motor life to be shortened or shortened.

Remember that you should assemble the compressor near the electrical outlet or fix the new one dedicated to plugging the air compressors. In this case, you can use circuits that also have their amperage. In certain circumstances, investing in an expensive heavy gauge to meet the power requirements of an air compressor will also work.

9. Oil Filling or Oil-Free

This is one of the most confusing tasks in which you come across a selection of the best 20-gallon air compressors. They are available in oil-free and oiling models.

Oil-free compressors are the latest version in the air compressor market. Teflon coating is used to coat internal components, which is why it lasts for about 2000 hours. When you start using the air compressor, the coating will slowly begin to wear out and eventually stop working. Oil-less units are known for their low cost, low weight, and low maintenance cost.

Oil-compressed compressors make less noise when compared to oil-free models. If you are going to use a compressor in a residential or quiet environment, it is better to choose a model that does not make noise.

Also, oil-compressed air compressors can meet the needs of high usage, also commonly called the duty cycle.

So, the bottom line is that to make the right choice, you have to analyze all kinds of pros and cons. Oil-free air compressors are light in weight and require maintenance. It makes it suitable for residential and non-commercial purposes. Air compressors with lubricating properties are comfortable, durable, and cooler, making them suitable for long working hours and industrial purposes.

10. Tank Style

20-gallon air compressors are available horizontally or vertically. Horizontal compressors are easy to move around and stable. The vertical facets are smaller so they don’t take up much space in the storage or working area. Vertical compressors also help in tight spaces and ensure stability.

11. Tank Material and Models

When analyzing this factor, you need to examine the need for space and how portable the air compressor must be. The 20-gallon air compressor has a medium storage footprint that meets both of the above requirements.

If you want an air compressor that is installed in a garage and can be used for most vehicle work, then check the model that is suitable for this specific need, rather than one that has large wheels and a strong vehicle. Be

However, if you have to move your work around the air compressor, then choose a model that comes with big wheels and easy mobility.

When it comes to tank stability and durability, you have to look at the tank equipment. Some materials are solid cast iron, aluminum cast iron coating, and aluminum. We recommend going to Cast Iron as it is the most durable option.

12. Control Systems

They help you operate the compressor easily. Here are some control systems that come with different air compressor models – start and stop systems, constant speed control, and many more.

13. Noise

Air compressors are not silent whispering tools. Noise may also increase or decrease due to operation and other factors. Electric motors are generally quieter models than those powered by gas. Because gas-powered ones are more powerful, they make more noise. This can have a big impact where you use an air compressor.

14. Other Features to Consider

  • Air Cooling System – It cools down the pumping machinery and also extends the motor life as well.
  • Thermal Overload Switch – It will automatically shut off whenever the motor overheats. This will increase the life span of the air compressor and protect your investment.
  • ASME Certification – It indicates that only high-quality materials and craftsmanship are used. This label often states that the unit will meet the standards of the American Society of Mechanical Engineers.
  • Roll Cage – It protects the compressor or battery from crushes. If you are planning to use the tools for just one project, then you can rent the air compressor instead of purchasing one.

15. Price

If you are comparing models and deciding which features are necessary, you can now analyze prices. This standard may not be for some people. However, for some, it can be a lot of deals. If you are going to use it frequently, you should also consider the amount that goes into maintenance and repair. So, never make a cheap choice with your eyes closed.

  • Single Stage Air Compressor Price Range – $300 to $2800
  • Two-Stage Air Compressors Price Range – $600 to $3600

16. Durability and Warranty

Since air compressors are used for a variety of applications, you need to make sure that they are durable and reliable. This ensures that you can use the same air compressor for a variety of applications over a long period of time. And the easiest way to know the reliability of any air compressor is to check its warranty. If it offers a 2-year warranty, it is a very reliable product and should last a long time. On the other hand, it is not recommended to buy any air compressor without a manufacturer’s warranty.

Frequently Asked Questions

1. What can I do with a 20-gallon air compressor?
20-gallon air compressors can be used for more than one thing, from simple DIY projects to business use to commercial purposes.

2. How to use a 20-gallon air compressor?
Using a 20-gallon air compressor isn’t as difficult as it may seem. For using it, you can just follow some simple steps. We have mentioned them below for your reference.
·  Initially, you have to identify whether it is oil-free or oil air compressor. If it is oil one, then make sure it is properly lubricated.
·  Once you have followed this process, you have to move on to fix the hose to the regulator valve.
· Now attach the power tool to the hose.
· Plug the compressor into the nearest plug socket.
·  Once the air compressor is set up properly, you have to turn it on by pulling the safety valve.
· Look out for the specific tool you are using and find out how much air pressure it needs to work.
· Make sure the pressure on the air compressor is similar to the pressure the tool requires.
· Now, it is ready to use.

3.How Long Does a 20 Gallon Air Compressor Tank Last?
Generally, air compressors have a long lifespan and should be easy to use for at least 20 to 30 years with 40,000 to 60,000 hours of permanent operation. However, these features may increase or decrease based on certain features. Some brands market their models that run even more than we provide. So, check carefully and choose your choice wisely.

4.Can 20 gallon compressor run on an impact wrench?
It could potentially run a bearing wrench for a 5-inch drive. You can use inches or more, but you can’t get full torque from the tool. They are suitable for inflating tires or running air rails. When it comes to operators, they are overkill for running multiple tools at once.

5.What size of the generator is suitable for running a 20-gallon air compressor?
Most of the 20-gallon air compressors we have analyzed in the market draws 15 MP on 120-volt domestic current. If you want to run these air compressors on a generator, you will need a model that can provide at least 2000 watts running or 4000 starting watts. However, for best performance, we recommend choosing a model with 3000 watts running / 4000 starting watts.
Manufacturers generally do not recommend using generators to power the air compressor. According to him, sudden fluctuations in electricity can cause these compressors to malfunction. Use of the generator will be treated as misuse and the warranty of the compressor will be waived.

5.How to Drain the Tank Easily?

Draining a compressor tank is an important part of improving the durability and lifespan of an air compressor. So, an easy process will help you properly maintain the unit.
·   First switch off the compressor and unplug it from the electrical outlet or power source.
·   You have to eliminate the internal pressure and for doing that you can pull the tank’s safety value. It releases the pressurized air present inside.
·   Now locate the tank’s drain valve. This is usually present at the bottom of the tank.
·    Open the drain valve and make sure the moisture is completely out.

Conclusion

Therefore, we have mentioned some 20-gallon air compressors in this article along with their main features and options. You can even find a complete and detailed purchase guide for air compressors in this article. All of these things can easily go a long way in choosing the best air compressor for you. But if you still can’t choose one, here are some of our recommendations:

  • If you want one of the best performing 20-gallon air compressors out there, then you can go with the Dewalt DXCMPA1982054. While it is slightly expensive, you get a maximum air pressure of 155 PSI along with a highly powerful 1.9 HP motor. Since this is a reputable brand, you also get a 1-year warranty along with great build quality.
  • You can also go with the Porter-Cable PXCMF220VW if you are on a budget. Despite the lower price tag, it can offer a 150 PSI maximum air pressure limit. It uses a 1.5 HP motor for quickly filling its 20-gallon air tank. And despite its affordable price tag, you get a 1-year warranty with it making it a reliable option for a lot of users.
  • The Husky 20-gallon air compressor can be another great option if you are looking for a value for money option. It offers the highest maximum air pressure limit at 175 PSI. And this is possible due to its 1.3 HP motor which is quite silent when compared with other similar options. While it does not have any warranty, it comes with a great CFM rating.

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