Filter Services Illinois provides commercial and industrial Air Filter Change-Out Services. Our service team offers a variety of maintenance schedules to meet your needs. FSI provides Filter Change-Out Services for over 3,500 accounts in the Greater Chicagoland area. The boundaries of our service area extends east to Northern Indiana (including La Port, Michigan City, Merrillville), south to Central Illinois (including Decatur, Champagne, and Bloomington areas), west to West-Central Illinois (including Peoria, Joliet, De Kalb, Rockford areas), and north to Southern Wisconsin (including Milwaukee and Madison areas). We also service the Quad Cities and parts of Iowa. FSI's service on a regular cycle is an extension of the normal HVAC maintenance agreement. (Note: FSI is not an HVAC maintenance contractor). During our Filter Change-Out Service, our service technicians perform a visual inspection of the HVAC system and report any problems or recommendations to ensure proper operation for your facility.

Our service cycle can be tailored to meet customer needs and requirements from a weekly, monthly, quarterly, or yearly Filter Change-Out cycle.

For a service quote, please click here to fill out our Service Request Form.