Innovation • Service • Experience


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Key Contacts

At HSI we understand that it is service that differentiates us from our competition.
Our main phone number is1.800.725.2291 and our service line 1.866.546.3588 is available for emergency service 24 hours a day.
For all inquiries, please email

USA and Canada—Municipal Water and Wastewater Sales Contacts

Worldwide Industrial Sales Contact

Aftermarket Sales Contacts

Aftermarket Parts

Chris Grafe

Overhauls, Rerates, & Remanufactured Blowers

Chris Grafe

Blowers & Exhausters

Multi Centrifugal Blowers

Control Systems

blower control family


Blower Accessories


HSI Blower 24 hour Services

Recently acquired by Atlas Copco.

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