Wilmington, NC · 2026 Cost Guide
How Much Does a Insulation Installation Cost in Wilmington?
Proper insulation reduces energy bills by 15–25% and makes your home significantly more comfortable. In Wilmington, labor rates run $36–$69/hr — below the national average — which is factored into all estimates on this page.
The wide price range reflects major differences in project scope, materials, and the age of your home. A cosmetic refresh costs far less than a full renovation, and Wilmington's specific market conditions affect contractor pricing year-round.
| Cost Factor | Typical Range | Impact on Price |
| Type | $0.50–$3/sq ft | High |
| Area | Scales linearly | High |
| Attic vs walls | Varies | High |
| Air sealing | $500–$2,000 | Medium |
| Labor | $40–$75/hr | High |
Best insulation type?
Spray foam for air sealing. Blown-in cellulose for attics.
How much can it save?
15–25% on heating and cooling.
Attic or walls first?
Attic provides best ROI since heat rises.
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