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.

Atlas CopcoModel #: E-Air H185

Atlas Copco E-Air H185 Portable Air Compressor

HP35CFM132PSI72-174TankN/A galPhase3

$55,872.00

SKU 8162010080

Downloads & Resources

Download Spec Sheet (PDF) Owner's Manual (PDF)

Financing available — learn more

Ships in 24 hrs
Authorized dealer
Service support

The Atlas Copco E-Air H185 VSD is a fully electric, Variable-Speed-Drive portable rotary screw compressor delivering 130–192 CFM at 72–174 PSI from an Atlas Copco oil-cooled IP66 permanent-magnet motor — zero emissions, ultra-quiet at 61 dB(A) at 23 ft, and instrument-grade air out of the box. The ideal indoor, tunnel, or emission-restricted site replacement for diesel compressors.

Key Features

380–460V 3-phase input with smart socket
Atlas Copco oil-cooled IP66 VSD permanent-magnet motor
Water-cooled IP66 inverter for outdoor service
PACE™ pressure/flow management via XC2003
Built-in aftercooler, water separator, and UD filter — ISO 8573-1:1.7.2 air
Super-silenced 61 dB(A) at 23 ft
110% fluid containment — safe for indoor use
Phase-sequence protection, UL/CSA components

Ideal Applications

Indoor construction (low-emission zones)
Tunnels, mines, and underground work
Cable blowing and fiber installation
Plant maintenance & turnarounds
Pneumatic tool crews in noise-sensitive areas

Specifications

Model	E-Air H185
Atlas Copco SKU	8162010080
Type	Electric VSD Portable Rotary Screw
Engine / Drive	Atlas Copco oil-cooled IP66 VSD Permanent-Magnet Motor + screw element
Horsepower	35 HP
Free Air Delivery	130-192 CFM @ 72-174 PSI
Pressure Range	72-174 PSI
Fuel	Electric
Fuel Tank Capacity	N/A gal
Voltage	380V - 460V +/-10%
Phase	3
Sound Level	61 dB(A)
Weight (with crate)	1648 lb
Dimensions (L × W × H)	108 L × 52 W × 56 H in
Trailer / Mount	Skid or trailer-mount (consult sales)
Warranty	12 months from start-up / 18 months from receipt (whichever comes first)
Country of Origin	Belgium / USA assembly

Why Buy From A1 Compressor Warehouse

Authorized Atlas Copco dealer — full factory warranty support.
Free application sizing — call (803) 526-5797 or email sales@a1compressorwarehouse.com before you order.
Same-day quote response, 24-hour order processing.
Direct-to-consumer pricing — no middleman markup.

Specifications

Download Spec Sheet (PDF) Owner's Manual (PDF)

Brand	Atlas Copco
Model #	E-Air H185
Mfr Part #	8162010080
Horsepower	35 HP
CFM	132
Max Pressure	72-174 PSI
Tank Size	N/A gal
Voltage	380V / 460V
Phase	3
Noise	61 dB(A)
Weight	1648 lb
Dimensions	108 L × 52 W × 56 H in
Warranty	12 months from start-up / 18 months from receipt (whichever comes first)
Country of Origin	Belgium / USA assembly