Get a free Duke Energy Home Energy Check before upgrades
Added
If Duke Energy is your electric provider, a free Home Energy Check (online or advisor-led by phone or in person) is required before you can claim its home improvement rebates. Renters and homeowners can take part. Rebate amounts change, so confirm current offers on Duke's page.
The result
Result: Duke Energy lists up to $3,800 in rebates for single-family homes, including up to $800 for attic insulation and up to $450 for duct test and repair, after the free check.
Source
Duke Energy (opens the original source in a new tab). Check it for the latest numbers before you act.