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Centrifugal High Speed Blowers & Industrial Exhuasters

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HSI (Houston Service Industries) is the world's leading manufacturer of centrifugal blowers, exhausters, and control systems. An ISO 9001-2008 certified company located in Houston, Texas USA, we have representatives located around the world to serve you.

Product performance ranges up to 25 PSI (1.7 Bar) pressure or to 18 inHg (457 mmHg) vacuum and flows from 100 to 40,000 CFM (10 to 70,000 m3/hr). HSI manufactures centrifugal blowers and process control systems as well as provides complete blower packages with accessories to meet a wide variety of applications.

HSI also provides a complete array of aftermarket parts and services for centrifugal blowers, including in-factory blower overhauls & re-rates, on-site blower troubleshooting & repair.


Using today’s latest design technologies HSI is able to offer efficiencies and performance ranges un-matched in the market place. Our own design team uses cutting edge software such as Computational Fluid Dynamics, 3D Modeling, and Finite Element Analysis combined with our world class test stand to make HSI the leader in our field.


Service is not just a word, HSI was built by meeting or exceeding our customers expectations which truly differentiates us from our competitors. HSI provides the most immediate service needs from our 7 acre facility which stocks the worlds largest inventory of parts and we are available to ship on a 24 hour basis.
For our 24 hour emergency services, please call: 1.866.546.3588


People make the difference. HSI has been a stable force in our industry since 1973 and has the experience to meet the most demanding applications. While we rely on this experience, our service staff undergoes extensive and continual training to stay up to date on the newest technologies available. Let our experience go to work for you.

Blowers & Exhausters

Multi Centrifugal Blowers

Control Systems

blower control family


Blower Accessories


HSI Blower 24 hour Services

Acquired by Atlas Copco in 2012.
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