Illinois Home Weatherization Assistance Program (IHWAP)

Illinois Housing Development Authority (IHDA)

Available Weatherization

About This Program

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

Comprehensive weatherization services for income-qualified Illinois households including insulation, air sealing, furnace tune-up or replacement, and other efficiency measures determined by energy audit. Services provided at no cost to eligible households.

Full cost of weatherization services covered by grant

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

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

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

Key Details

  • Free weatherization up to $10,000
  • Income at or below 200% federal poverty
  • Covers insulation, air sealing, furnace work
  • Energy audit included
  • Available to homeowners and renters

How to Apply

Get free help applying Visit Official Program Page Track this program

(312) 836-5200

A grant-savvy contractor in Oswego, 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 Oswego 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: Rolling applications, year-round

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 Oswego, IL?

Up to $10,000 in weatherization.

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

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

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

Apply directly with Illinois Housing Development Authority (IHDA) using the official program link on this page or call (312) 836-5200. There is no middleman and no fee.

Need a Contractor for This Grant?

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