AAA Dry Foam Professional Cleaning, Inc.
Verified Pro
20½+ years online5.0
Insulation Services in Wilmington, DE
Compare 28 insulation services contractors near you in Wilmington and surrounding area with an average rating of 4.7/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 22, 2026
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Thermal Seal Experts
1G Services & Roofing Services
5.0Delaware Spray Foam
5.019½+ years onlineIMC Insulation Mat Corporation
5.022 years onlineKoala Insulation of the Delaware Valley
5.07½+ years onlinePatriot Insulation Contractor LLC
5.016½+ years onlinePhiladelphia Spray Foam Insulation
5.05½+ years onlineRLSC Chimney Cleaning And Atic Insulation Services In Delaware Ltd.
5.0AGL Spray Foam
4.913½+ years onlineAmira Contracting Inc
4.98½+ years onlineERCO Ceilings & Interiors
4.94½+ years onlineKoala Insulation of Chester County
4.97½+ years onlineKoala Insulation of Newark
4.97½+ years onlineTycos Roofing and Siding
4.910½+ years onlinePJ Fitzpatrick
4.827½+ years onlineCounty Insulation Co
4.622½+ years onlineSealright Injection Foam
4.6The Spray Foam Works Co
4.65½+ years onlineEnergy Services Group
4.4~25 years onlineEastern Industrial Services Inc
4.322½+ years onlineInsulation Guyz
4.32½+ years onlineIMC Materials Corporation
4.222 years onlineInsulation4US
2.9~12 years onlineInsulation Services in Nearby DE Cities
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Insulation Services in Wilmington, DE
Wilmington DE insulation upgrades pay back fast given Delmarva Power rates and DE's heat-humidity climate. Most pre-1990 Wilmington homes have R-19 to R-30 attics — well below the modern R-49+ target. Air sealing before insulation matters in older Trolley Square and Brandywine Hundred homes. Delmarva Power rebates available. NeedInstall connects you with Wilmington insulation contractors who handle utility rebate paperwork, blower-door testing, and proper detailing.
Wilmington attic top-up to R-49+: $1,800-$4,500. Wall dense-pack: $4,500-$11,000 retrofit. Basement spray-foam: $4-$7 per board foot. DE requires a state contractor license. Delmarva Power rebates ($300-$1,500). Blower-door test ($300-$500) often required.
Frequently Asked Questions
- Worth on natural gas?
- Yes — DE heating loads heavy. Payback 4-7 years.
- Delmarva rebate?
- $300-$1,500 for qualifying upgrades.
- Spray-foam?
- For basements and rim joists.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Wilmington and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.