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HB 4739

SCH CD-SCHOOL VENTILATION

104th Regular Session Introduced by Christopher Belt and 20 co-sponsors

Illinois bill establishing or funding school ventilation system improvements to enhance indoor air quality and public health in K-12 educational facilities.

Added as Alternate Co-Sponsor Sen. Suzy Glowiak Hilton
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Bill Summary · HB 4739

Legislative bill overview

HB 4739 addresses school ventilation systems in Illinois schools, likely establishing standards, funding mechanisms, or requirements for improving air quality and ventilation infrastructure in educational facilities. The bill has attracted bipartisan co-sponsorship, suggesting broad support for addressing this infrastructure concern.

Why is this important

School ventilation directly affects student and staff health, academic performance, and disease transmission rates. Poor indoor air quality has been linked to respiratory issues, reduced cognitive function, and increased absenteeism. Post-pandemic, states are reassessing HVAC and air filtration systems that may be outdated or inadequate for modern public health standards.

Potential points of contention

  • Funding responsibility: Whether costs fall on state budget, local school districts, or public-private partnerships, creating equity concerns for under-resourced districts
  • Mandate scope: Whether ventilation improvements are mandatory or voluntary, and if retrofitting existing buildings is required or only recommended
  • Performance standards: Disagreement over specific air quality metrics (ACH rates, filtration levels) that schools must meet and enforcement mechanisms for compliance

Compiled from official sources — confirm details with the bill’s official record.

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