2023 Application Launch

Please select when your project was installed/service completed.

Project/service completed in 2023

NOTE: We are in the process of migrating to a new platform and don't have 2023 online applications available at this time! For projects completed in 2023, you can submit within 90 days of project completion or by Jan. 31, 2024, whichever comes first. You can use our paper applications if you'd prefer to submit right away and not wait for the online application.

2023 Residential paper application

2023 Commercial paper applications

Air Sealing - $250 per home

Additional qualifications

Air Sealing work must be performed by a program approved contractor to be eligible for a rebate.
Use Find a Contractor to view a complete list of approved contractors near you. Be sure to enter your zip code and select Air sealing and insulation in the Equipment/Improvement dropdown.

Attic Insulation - $400 per home

Additional qualifications

Attic insulation projects are only eligible after air sealing has been completed.
Attic Insulation work must be performed by a program approved contractor to be eligible for a rebate.
Homes must have a starting R-value of R20 or less to qualify for a rebate.
Use Find a Contractor to view a complete list of approved contractors near you. Be sure to enter your zip code and select Air sealing and insulation in the Equipment/Improvement dropdown.

Wall Insulation - $150 - $350 per home

Exterior Wall Insulation - $150 per home

Additional qualifications

Exterior wall insulation projects are only eligible after air sealing has been completed.
Existing insulation R-value must be R5 or less.
Wall Insulation work must be performed by an approved contractor to be eligible for a rebate.
Use Find a Contractor to view a complete list of approved contractors near you. Be sure to enter your zip code and select Air sealing and insulation in the Equipment/Improvement dropdown.

Foundation Sidewall Insulation - $200 per home

Additional qualifications

Foundation sidewall insulation projects are only eligible after air sealing has been completed.
Existing insulation R-value must be R5 or less.
Wall Insulation work must be performed by an approved contractor to be eligible for a rebate.
Use Find a Contractor to view a complete list of approved contractors near you. Be sure to enter your zip code and select Air sealing and insulation in the Equipment/Improvement dropdown.

Duct Sealing - $500 per home

Additional qualifications

Eligible duct systems are located in unconditioned an/or semi-conditioned spaces (unfinished spaces not directly heated) in the home.
Duct Sealing work must be performed by an approved contractor to be eligible for a rebate.
Use Find a Contractor to view a complete list of approved contractors near you. Be sure to enter your zip code and select Duct sealing in the Equipment/Improvement dropdown.

Low Emissivity (Low-e) Storm Window Inserts - $100 per window, up to $1,000

Additional qualifications

Contractors must be registered contractors with the state of Illinois.
Existing windows can be either single-pane or double-pane with clear glass and frame can be either metal, vinyl or wood.
Pre- and post-installation pictures of at least one window per project must be submitted with each application.
Insert must be ENERGY STAR certified and meet the ENERGY STAR storm window key product criteria (emissivity ≤0.22 and solar transmission >0.55 in Rockford, Chicago and Springfield climate zones).
Each home will be eligible for up to 10 windows, for a maximum rebate amount of $1,000.
Installation of low-e windows must be performed by an approved contractor to be eligible for a rebate.
Use Find a Contractor to view a complete list of approved contractors near you. Be sure to enter your zip code and select Air sealing and insulation in the Equipment/Improvement dropdown.