The Most Efficient Industrial Air Compressor. Built to meet the demanding needs of industrial facility customers.
In-stock compressors built for maximum efficiency with minimal lifetime cost.

In-stock compressors built for maximum efficiency with minimal lifetime cost

Compressors

Filters

One Vendor, One Brand, Unmatched Support

Sold direct. Every South-Tek compressor is backed by local service support. You’re not on your own after the sale.

As the leading single-source provider of on-premise gas generation and compressed air solutions, South-Tek delivers superior expertise, control, and performance through a comprehensive product suite. Our approach allows you to rely on one vendor, one brand, and one superior support team for all your compressed air and gas needs.

Most facilities know South-Tek for nitrogen, but the same engineering behind our mission-critical N2 generators powers a full line of industrial air compressor; built for reliability, efficiency, and the lowest total cost of ownership in their class. Your nitrogen system isn't the only thing that should be running on STS.

EXPERTISE

Backed by local service support. You're not on your own after the purchase.

CONTROL

Designed for optimal uptime and superior ROI, without being locked into proprietary parts.

PERFORMANCE

Up to 20% more energy-efficient and lower lifetime operating costs than single-stage alternatives.

Did you know?

Many states and utilities offer energy efficiency rebates for two-stage and VSD compressors. Some facilities recover up to 50% of their capital cost. Check rebate eligibility in your state

Compressors

South-Tek compressors are designed for maximum efficiency and durability, offering reliable performance and low maintenance costs to ensure optimal operation and long-term reliability for your business. All compressors are DOE (Department of Energy) compliant.

STSP2 Series

  • 2-Stage Premium Rotary Screw Compressor
  • 30-475 HP
  • 177-2436 CFM
  • 100-125 PSI
  • Performance guaranteed two-stage technology delivers up to 20% energy savings vs. single-stage, your biggest long-term cost driver.

STSP-2 VSD Series

  • 2-Stage Premium Variable Speed Drive Rotary Screw Compressor VSD matches output to demand: 15–25% energy savings vs. fixed-speed.
  • 30-425 HP
  • 177-2436 CFM
  • 100-125 PSI
  • Performance guaranteed two-stage technology delivers up to 20% energy savings vs. single-stage, your biggest long-term cost driver.

STSP Series

  • Premium Fixed Speed Rotary Screw Compressor
  • 30-425 HP
  • 157-2151 CFM
  • 100-218 PSI
  • Lifetime Airend Warranty

STSP-VSD

  • Premium Variable Speed Drive Rotary Screw Compressor VSD matches output to demand: 15–25% energy savings vs. fixed-speed.
  • 15-600 HP
  • 72-2423 CFM
  • 100-218 PSI
  • Lifetime Airend Warranty

STSD Series

  • Standard Fixed Speed Rotary Screw Compressor
  • 30-600 HP
  • 134-2584 CFM
  • 100-218 PSI
  • 10 Year Airend Warranty

STSD-VSD Series

  • Standard Variable Speed Drive Rotary Screw CompressorVSD matches output to demand: 15–25% energy savings vs. fixed-speed.
  • 15-475 HP
  • 62-2159 CFM
  • 100-218 PSI
  • 10 Year Airend Warranty

STS Series

  • Belt Drive Fixed Speed Rotary Screw Compressor
  • 5-100 HP
  • 23-441 CFM
  • 100-218 PSI

STS-T & STS-TD Series

  • Tank Mounted Belt Drive Fixed Speed Rotary Screw Compressor
  • With or Without Dryer and Filters
  • 5-100 HP
  • 23-441 CFM
  • 100-218 PSI

STSH-VSD Series 290 PSI

  • 290 PSI Variable Speed Drive Rotary Screw CompressorVSD matches output to demand: 15–25% energy savings vs. fixed-speed.
  • 25-100 HP
  • 35-190 CFM
  • 290 PSI
  • 5 Year Airend Warranty

STS 40 Series

  • 580 PSI Piston Booster
  • 15-25 HP
  • 110-273 CFM

South-Tek Systems Partners with C-Aire

South-Tek Systems is proud to partner with C-Aire Compressors, a trusted name in the fire protection industry. This collaboration brings together South-Tek’s expertise in nitrogen generation technology with C-Aire’s high-quality fire protection air compressors to deliver a complete, reliable solution for dry and pre-action sprinkler systems.

5 HP 60 Gallon Simplex Nitrogen Feed Compressor

5 HP 80 Gallon Simplex Nitrogen Feed Compressor

7.5 HP 80 Gallon Simplex Nitrogen Feed Compressor

10 HP 120 Gallon Simplex Nitrogen Feed Compressor

Dryers

SR Series Refrigerated Air Dryer

Engineered to provide reliable, high-performance moisture removal, our dryers ensure clean, dry air for your nitrogen generators and compressed air needs. Designed for efficiency and durability, they help extend equipment life, reduce maintenance costs, and optimize system performance in even the most demanding environments.

Filters

S-Series Compressed Air Filters

Designed to provide superior filtration, ensuring clean, reliable air and protecting your equipment from contaminants to enhance performance and extend lifespan.

Streamline and power mission-critical operations with single source compressed air and gas solutions.

We appreciate your interest. Your results are delivered to your email.

If you wish to know the full numbers and more information, you can download the pdf below.