Illinois Department of Commerce and Economic Opportunity (DCEO)
Federally funded weatherization program administered by Illinois DCEO providing free energy efficiency improvements to income-eligible homeowners and renters. Services include insulation, air sealing, HVAC repair/replacement, and other energy-saving measures.
Full cost of weatherization services covered by grant, average $8,500
Data last verified 2026-06-09. How we verify our data.
A grant-savvy contractor in Glendale Heights, IL can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.
You will likely need a contractor to apply
Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Glendale Heights early keeps your application moving.
Get matched with a contractorEach program sets its own contractor rules. Check the official program page for exact requirements.
Deadline: Year-round applications
Ask us. It is free, and a real person answers within a business day.
Email us about this programGrant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.
Rebates and discounts that stack on top of any grant. Most are free to use.
This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.
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