Illinois Department of Commerce and Economic Opportunity (DCEO)
Federal heating and cooling assistance program for low-income Illinois households. Provides financial assistance with energy bills, emergency furnace repairs, and weatherization referrals. Applications accepted October through May each year.
Grant amount varies by household size, income, and energy costs
Data last verified 2026-06-09. How we verify our data.
A grant-savvy contractor in Collinsville, 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 Collinsville 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: October 1 - May 31 annually
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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