
Insulation Services in Raleigh, NC
Compare 25 insulation services contractors near you in Raleigh 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 23, 2026
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Carolina Weatherization
5.015½+ years onlineDH Spray Foam Insulation
5.0~2 years onlineInsulating NC
5.014½+ years onlineNorth Carolina Spray Foam Insulation
5.06+ years onlineRaleigh Spray Foam Insulation
5.0~6 years onlineStrategic Spray Foam of Raleigh
5.02½+ years onlineBoatwright Insulation Co Inc
4.917½+ years onlineHome Shield Insulation of Raleigh
4.93½+ years onlineInsulation Commandos of Raleigh-Durham
4.93+ years onlineNC FOAM PROS
4.93½+ years onlineTriangle Radiant Barrier & Crawl Space Encapsulation
4.99½+ years onlineUSA Insulation Raleigh-Durham
4.921+ years onlineCrawl Space Brothers
4.8~7 years onlineLive Green Inc.
4.817 years onlineEcoMaster Insulation Contractors and Home Performance Experts
4.712½+ years onlineMPI Foam
4.7~12 years onlineRaleigh Excel Spray Foam Insulation
4.7IDI: Insulation Distributors Inc.
4.6~15 years onlinePrime Energy Group
4.617 years onlineBay Insulation Systems of Raleigh
3.528½+ years onlineTri-City Insulation
3.314½+ years onlineInsulation Services in Nearby NC Cities
Other Services in Raleigh
Insulation Services in Raleigh, NC
Raleigh insulation contractors in this directory cover North Hills, Five Points, Glenwood, Brier Creek, and surrounding Wake County. IECC Climate Zone 4A asks for R-49 attics. Most pre-2000 Raleigh homes have R-19 to R-30 of compressed batts — topping up with blown insulation runs $1.40-$2.20 per sq ft. Closed-cell foam under-roof for conditioned-attic retrofits runs $4.50-$7/sq ft at 2 inches.
Duke Energy Progress and Wake Electric cover most Raleigh-area electric. Both utilities offer home-performance rebates. The 25C federal credit covers 30% up to $1,200/year. NC's humid summers make crawlspace encapsulation valuable.
Frequently Asked Questions
- What R-value should my Raleigh attic have?
- IECC Climate Zone 4A asks for R-49 attics. Most pre-2000 stock has R-19 to R-30 of settled batts — topping up with blown insulation typically runs $1.40-$2.20/sq ft.
- Should I encapsulate my Raleigh crawlspace?
- Often yes — NC humidity drives moisture into vented crawlspaces. Encapsulation runs $5,500-$11,500.
- Are there rebates?
- Duke Energy home-performance rebates ($300-$2,000), 25C federal credit (30% up to $1,200/year), and HEEHRA for income-qualified households.
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