- Each window must be a minimum size of eight square feet
- U-Factor < 0.30
- Sashes installed without new windows do not qualify for rebate
- Windows must be installed in a conditioned space where Alliant Energy supplies the primary heating or cooling energy
- One opening equals one window rebate
- Rebate is limited to 50% of equipment minus any manufacturer or dealer rebates
How do I apply?
Whoever installs the windows should complete the rebate form, attach the NFRC sticker from the windows, and a copy of the itemized, date receipt and send to Alliant Energy within 90 days of installation.
How do I find a qualified dealer?
Visit our online Dealer Locator to find a professional in your area.