How do I size an industrial air compressor?

Size a compressor by the total CFM (cubic feet per minute) your tools and equipment require at their operating PSI, then add roughly 30% headroom for future growth and to avoid running the unit at 100% duty. Add the CFM of every tool that may run simultaneously, match the required pressure (most shop applications run 90-125 PSI), and confirm your available electrical supply (voltage and phase). A1 Compressor Warehouse offers free sizing support to match the right compressor to your application.

What is the difference between oil-free and oil-lubricated air compressors?

Oil-lubricated compressors use oil to lubricate and seal the compression element, offering long life and lower cost for general industrial use, but they require oil changes and can carry trace oil into the air. Oil-free compressors deliver Class 0 air with no oil in the airstream, which is essential for medical, dental, food, electronics, and pharmaceutical applications where any oil contamination is unacceptable. Anest Iwata oil-free scroll compressors are a common choice for these clean-air needs.

What size air compressor do I need for air tools?

Check the CFM requirement for each air tool and add the CFM of all tools that will run at once, then add about 30% headroom. Light tools like impact wrenches need 3-5 CFM, while continuous-demand tools like sanders or grinders can need 8-12 CFM or more. For most professional shops a two-stage compressor in the 5-10 HP range covers a single-bay operation; larger shops and production lines typically move to rotary screw compressors for continuous duty.

Is A1 Compressor Warehouse an authorized dealer?

Yes. A1 Compressor Warehouse is an authorized dealer for Atlas Copco, Anest Iwata, Mattei, Schulz, and EL-AV. Every product ships with genuine OEM parts and full manufacturer warranty. We serve customers nationwide with fast US shipping and provide service in the Carolinas.

What is the difference between a rotary screw and a reciprocating air compressor?

Reciprocating (piston) compressors are ideal for intermittent use and lower-duty applications, delivering high pressure at a lower upfront cost. Rotary screw compressors are built for continuous duty, running cooler and quieter with steadier air delivery, which makes them the standard for shops and plants that use air throughout the day. Variable-speed (VSD) rotary screw models further cut energy costs by matching output to demand.

Do air compressors come with a warranty and shipping?

Yes. All compressors sold by A1 Compressor Warehouse include the full manufacturer warranty and genuine OEM parts. We ship nationwide across the United States, offer same-day quotes, and provide expert sizing support to help you select the right unit before you buy.

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Featured Compressors

A hand-picked selection of standout air compressors from across our lineup — popular models and strong values from Atlas Copco, Mattei, Schulz, EL-AV and Anest Iwata. As an authorized distributor for every brand we carry, A1 Compressor Warehouse backs each unit with genuine OEM parts and full manufacturer warranty.

Not sure which model fits your application? Talk to a specialist for sizing help, request a same-day quote, and get fast shipping anywhere in the US.

Atlas CopcoAtlas Copco XAS 110 KD8 Towable CompressorSKU 8162 0610 90

25 HP95 CFM52 gallon

$25,972.00

Atlas CopcoAtlas Copco XAS 400-150 PACE JD Portable Air CompressorSKU 8972 4226 09

134 HP400 CFM52 gal

$92,896.50

SchulzSchulz SRP 3008 Compact Tank-Mounted Rotary Screw CompressorSKU 970.3890-0

7.5 HP25 CFM60 gallon ASME, horizontal

Contact For Price Quote

Mattei RVD i 7/11 Variable-Speed Rotary Vane Compressor

MatteiMattei RVD i 7 / RVD i 11 Variable-Speed (VSD) Rotary Vane Compressor (10–15 HP)SKU 1400000288

10 HP26 CFM80 gallon

From $20,155.00