Illinois Weatherization Assistance Program (WAP)

Illinois Department of Commerce and Economic Opportunity

Available Weatherization

About This Program

Federal weatherization program administered by the state to reduce energy costs for income-eligible Illinois households through insulation, air sealing, furnace repair/replacement, and other efficiency measures. Services provided at no cost to qualified applicants.

Grant covers 100% of weatherization costs up to maximum

Key Details

  • Free weatherization services for eligible households
  • Income at or below 200% of federal poverty level
  • Includes insulation, air sealing, HVAC work
  • Can save 20-30% on energy bills annually
  • Administered through local community agencies

How to Apply

A grant-savvy contractor in Downers Grove, IL can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

Deadline: Rolling applications, subject to funding availability

Need a Contractor for This Grant?

Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.

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