Illinois Home Weatherization Assistance Program (IHWAP)

Illinois Department of Commerce & Economic Opportunity

Available Weatherization

About This Program

Illinois Home Weatherization Assistance Program (IHWAP) is available to homeowners and renters in Oak Park, IL.

Federally-funded weatherization assistance for income-eligible Oak Park residents. Provides free energy audits and improvements including insulation, air sealing, furnace repair/replacement, and water heater upgrades to reduce energy costs.

Free weatherization improvements averaging $7,500 per household

Official program page checked live on 2026-06-22.

Data last verified 2026-06-09. How we verify our data.

In Oak Park, IL, you can combine this program with other local help to cut your cost:

Key Details

  • Free weatherization improvements worth ~$7,500
  • Income at or below 60% state median income
  • Includes insulation, air sealing, furnace work
  • Available to homeowners and renters
  • Free energy audit included

How to Apply

Get free help applying Visit Official Program Page Track this program

(800) 252-8643

A grant-savvy contractor in Oak Park, 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 Oak Park early keeps your application moving.

Get matched with a contractor

Each program sets its own contractor rules. Check the official program page for exact requirements.

Your application paperwork

Documents you will likely need

  • Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
  • A government-issued photo ID for every owner on title.
  • Household income proof (recent pay stubs, last year's tax return, or benefit award letters for everyone in the home).
  • A written estimate from a licensed contractor for the work (many programs require this to apply).
  • A recent utility bill for the home (energy and weatherization programs use it to confirm service and usage).
  • Photos of the problem area or the work to be done.
  • The program's own application form, completed (use the official link or phone number on this page).
Download this checklist (PDF)

Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.

Deadline: Year-round applications, administered by local agencies

Questions about this program?

Ask us. It is free, and a real person answers within a business day.

Email us about this program

Frequently asked questions

How much can Illinois Home Weatherization Assistance Program (IHWAP) provide in Oak Park, IL?

Average $7,500 per home.

Who qualifies for Illinois Home Weatherization Assistance Program (IHWAP) in Oak Park?

Illinois Home Weatherization Assistance Program (IHWAP) is open to homeowners and renters in Oak Park, IL. It prioritizes low-income households.

How do I apply for Illinois Home Weatherization Assistance Program (IHWAP) in Oak Park, IL?

Apply directly with Illinois Department of Commerce & Economic Opportunity using the official program link on this page or call (800) 252-8643. There is no middleman and no fee.

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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