What is the best air compressor? The answer to this question depends on many factors. In order to find out which one will be best for you, it's important that you take a look at your needs and budget first. We have compiled a list of 9 different models that we believe are some of the best available in 2021.
An air compressor is a machine that pumps pressurized air into a storage tank, and then releases it as needed. They are often used to power other tools or machinery in demanding industrial settings. The best onboard air compressors of 2021 all have their own special features that make them stand out from the crowd- but which one will be perfect for your needs? Read on to find out!
Comparison Table









1. ARB CKMA12

Model | CKMA12 |
Brand | ARB |
Manufacturer Part Number | CKMA12 |
Folding | No |
Item Dimensions LxWxH | 12.73 x 9.16 x 5.88 inches |
Power Source | Corded Electric |
Weight | 0.1 Pounds |
Voltage | 12 Volts |
Dimensions | 12.73 x 9.16 x 5.88 inches |
OEM Part Number | CKMA12 |
Manufacturer | ARB |
The unique fantasy characteristics with a reliable warranty are the main reason for its success. Since 1979, ARB has produced quality off-road components and tests them. Some incredibly powerful air compressors have power measures much greater than 1 or 2 horsepower, sometimes more than double the power with up to 5 or 6 horsepower. Strategically located gauges are easy to navigate and this conservative structure of air compressors makes it convenient and efficient.
2. VIAIR - 20001

Model | 20001 |
Exterior | Painted |
Brand | VIAIR |
Manufacturer Part Number | 20001 |
Folding | No |
Special Features | Amp Draw: 20 amps, Compressor: Heavy Duty, Dimensions: Viair 20001 Dimensions., Duty Cycle: 100 percent, Gauge Type: Single, Max PSI: 200, Note: Uses replacement direct mount air filter assembly 92627. Uses replacement remote mount air filter assembly 92629., Performance Data: Viair 20001 Performance and Tire Fill Rate data., Replacement Compressor: Viair 480C, Tank Size: 2.5 gallon |
Weight | 0.16 ounces |
Dimensions | 26 x 13 x 9.9 inches |
OEM Part Number | 20001 |
Manufacturer | Viair |
The fair brings to the market a solid airborne system thanks to its ultra-resistant 200 psi system. Always use an air compressor that provides the minimum value of cfm and psi recommended by the weld sander manufacturer. You must then consider some of the factors that may help you decide which air compressor works best for you. Dewalt d55146 falls into this class of air compressors and that's one of the main reasons I love this little machine.