Complementing Products

Filters are a large part of any Air Quality equation, but more can be done to improve your energy efficiency or reduce labor costs for preventative maintenance. We offer Services and Products that aide in lowering your overall costs.

Contact Us to Improve Air Quality and Reduce Longterm Costs

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Testimonials

The new screens for my condenser coils look very good on both units. I appreciate the quality work performed on my critical equipment. FSI is more than just a HVAC filter company.

Spencer K. Young, Facilities Engineer

Our Pledge

“Our company was founded on exceptional service, providing the best products to your facility, and ensuring the job is done right the first time. We stand behind that pledge each and every day.”

Jeffrey A. Gradek
President

Serving the midwest for over 30 years