Insulation and Windows Rebate Application
Before applying, be sure you:
- Have your 12-digit DTE Energy electric and/or gas account numbers.
- Have a digital copy of your sales receipt or invoice showing proof of payment, equipment type, and date of purchase.*
- Have a digital copy of your Energy Star® or NFRC certification showing U-factor for window and patio door rebates.*
*Don’t have a digital copy? We also accept pictures of documents taken with your phone!
