South Carolina insulation & spray foam rebates (2026)
Last checked October 16, 2026.
Federal tax credit (25C): ended
Insulation installed in South Carolina after December 31, 2025 does not qualify for the federal Energy Efficient Home Improvement Credit. IRS.
South Carolina Home Energy Rebate program
Not yet launched South Carolina Home Energy Rebates
Electrification/appliance rebates (HEAR): "Rebates are not currently available but are expected to launch in 2026."
Whole-home efficiency rebates (HOMES/HER): "The programs are expected to launch statewide in 2026."
Max rebate (per official page): Qualifying households could receive up to $14,000 in rebates for eligible appliances and upgrades.
Official source: South Carolina Energy Office. Status text compiled via referencesource.org, last checked by them August 25, 2026.
Utility rebates in our South Carolina service areas
Duke Energy Carolinas Smart $aver
Duke's Smart $aver program lists insulation and air-sealing rebates through participating contractors. We could not confirm the current Carolinas amounts on Duke's own pages, so ask the installer to show you the current offer.
Read on the program's own page October 16, 2026. Programs change; confirm before you sign.
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