Houston Skyline

HSI (Houston Service Industries)

HSI, a leading manufacturer of centrifugal blowers, exhausters, and control systems, was acquired by Atlas Copco in 2012.

Looking for HSI? You're in the Right Spot - HSI is Now Part of Atlas Copco!

Over the course of four decades, Houston Service Industries (HSI) evolved into a leading manufacturer of multistage centrifugal blowers, high speed turbo blowers (the ZM range can even process gases!), complete blower packages, exhausters, and process control systems. The company also provides a complete array of aftermarket parts and services for centrifugal blowers, including in-factory blower overhauls, on-site blower troubleshooting and repair. Industries where HSI blower technology can be found include pneumatic conveying, wastewater treatment, landfills, and the general industrial sector.
Atlas Copco acquired HSI in January 2012, with the company's products and branding being fully incorporated into the Atlas Copco portfolio within the past few years.

Port Washington WWTP - exterior shot of facility.

Spec Your Blower Looking to get a quote on a blower system for your application? We have a blower technology for every application and budget, so it's time to find your perfect partner! We're making it incredibly easy to spec your own system: take 2 minutes to answer 10 simple questions, and you're all set. Build Now →

Atlas Copco Aeration and Industrial Blower Technology Overview 3.9 MB, PDF
The History of Low-Pressure Blowers 1.7 MB, PDF
Aeration and Industrial Blowers and Applications 4.2 MB, PDF

HSI (Houston Service Industries) - Equipment Sales

Monday - Friday: 8:00am - 5:00pm

Lee Ann Hellums

15045 Lee Road
Houston , TX
77032 united states

Go to Google Maps

HSI (Houston Service Industries) - Aftermarket Sales, Overhauls, & Repairs

Monday - Friday: 8:00am - 5:00pm

Chris Grafe

15045 Lee Road
Houston , TX
77032 united states

chris.grafe@us.atlascopco.com

Go to Google Maps

Meet Atlas Copco's Industrial and Aeration Blowers Portfolio

ZL Lobe Blower: The Dependable Package

Thanks to the simplicity and the tested design of the lobe blower, it’s the ideal choice for difficult environments around the world that have limited supervision. 20-5,600 cfm | 4.4-14.5 psig

ZS Screw Blower: The Innovation Package

The ZS blower is highly reliable and energy efficient in all your applications and has the lowest possible operating cost. 160-5,300 cfm | 4.4-22 psig

ZB Direct Drive Turbo Blower: Guaranteed Reliability

The ZB blower ensures a reliable and constant flow, with the highest air quality. All components are perfectly synchronized inside a compact package. 750-7,100 cfm | 4.4-20 psig

ZE/ZA Screw Compressor: Plug-and-Play

The ZE/ZA compressor is supplied as a ready-to-go, all-in-one package, minimizing installation work and saving time and money. 140-5,200 cfm | 14.5-58 psig

ZM Multi-Stage Centrifugal Blower: The Power You Need

The ZM series is a centrifugal blower with oil-free compression and a variable number of stages, depending on the desired flow rate and pressure. 200-41,000 cfm | 1.5-20 psig

ZHL Geared Turbo Compressor: High Flow – High Reliability

Available as one-stage (ZHL) or two-stage (ZH) solution, our geared turbo compressors provide air for applications with a high air volume flow demand and pressure. 1,400-22,000 cfm | 14.5-58 psig

DZS Claw Blower: Low Flow – Low Lifecycle Cost

The DZS dry claw blower is an ideal solution for applications that require a low air flow and pressure. 30-200 cfm | 7.3-33.3 psig

Aeration Blower Selection

First Name *

Last Name *

Company *

Street *

City *

Postcode or ZIP *

Country *

Phone * ✔︎ Valid Invalid number Invalid country code Too short Too long

Email *

Let us know your request below. Please be as detailed as possible! *

By submitting this request, Atlas Copco will be able to contact you through the collected information. More information can be found in our privacy policy.

I have read and accepted the privacy policy

Aeration Blowers VLOG: Engineered to Excel

Episode 1: Meet NEOS.What's different inside and outside of the 'box' which makes Atlas Copco's aeration and industrial blowers the right choice for your business? We're glad you asked! To explain some of the key differences we asked one of our experts to take 60 seconds to explain some of the key features and technologies.

Episode 2: Meet the OptimizerThe Optimizer 4.0 compliments the already efficient Atlas Copco compressors and blowers. Multiple units installation run with optimum pressure or flow band while prioritizing machines that will have more efficient combinations. Time to learn more about this central controller!

To help you achieve that perfect balance, Atlas Copco has developed a full portfolio of compressed air solutions to fit the wastewater treatment process's different needs. For applications that run continuously, we offer air blowers and compressors that help reduce operational costs and guarantee the continuous uptime of the treatment process. To keep the energy costs low, all our solutions are available with a variable speed drive that automatically adjusts motor speed to the actual air demand. Discover how and where our oil-free air blowers can be used.

Low-Pressure Technologies in Focus

There are quite a few types of blower technologies available for businesses to choose from, and selecting the specific technology that best aligns with your process can be a bit tricky. Time to learn about the in's and out's of the types of blower technologies!

The Screw Blower in Focus

ZS 4 VSD+ installation_left

The Screw Blower in Focus

Just as the rotary screw compressor is one of the backbones of the industrial world, so has the rotary screw blower evolved into one of the mainstays of the low-pressure world.

Just as the rotary screw compressor is one of the backbones of the industrial world, so has the rotary screw blower evolved into one of the mainstays of the low-pressure world.

Just as the rotary screw compressor is one of the backbones of the industrial world, so has the rotary screw blower evolved into one of the mainstays of the low-pressure world.

The Centrifugal (Turbo) Blower in Focus

ZB 5-6 VSD plus installation_low angle

The Centrifugal (Turbo) Blower in Focus

Centrifugal blowers are type of blower that operates via dynamic compression and are well-suited for processes in a variety of industries, including wastewater treatment and pneumatic conveying.

Centrifugal blowers are type of blower that operates via dynamic compression and are well-suited for processes in a variety of industries, including wastewater treatment and pneumatic conveying.

Centrifugal blowers are type of blower that operates via dynamic compression and are well-suited for processes in a variety of industries, including wastewater treatment and pneumatic conveying.

The Lobe Blower in Focus

ZL 2 VSD installation detail

The Lobe Blower in Focus

Lobe blowers, also referred to as rotary lobe blowers or Roots blowers, are a type of positive displacement blower originally invented in the 1800s by the Roots brothers - and they're still popular today!

Lobe blowers, also referred to as rotary lobe blowers or Roots blowers, are a type of positive displacement blower originally invented in the 1800s by the Roots brothers - and they're still popular today!

Lobe blowers, also referred to as rotary lobe blowers or Roots blowers, are a type of positive displacement blower originally invented in the 1800s by the Roots brothers - and they're still popular today!

Considerations for Selecting a Blower

ZS 4 VSD+_outdoor installation_rain canopy_landscape

Considerations for Selecting a Blower

A thorough analysis of your installation and application is key to selecting the right technology, and there will undoubtedly be one or more aspects might take precedence over others.

A thorough analysis of your installation and application is key to selecting the right technology, and there will undoubtedly be one or more aspects might take precedence over others.

A thorough analysis of your installation and application is key to selecting the right technology, and there will undoubtedly be one or more aspects might take precedence over others.