Ark Home Insulation
Verified Pro
~4 years online5.0(7)
Insulation Services in Knoxville, TN
Compare 29 insulation services contractors near you in Knoxville and surrounding area with an average rating of 4.5/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated May 22, 2026
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Alpha
5.02½+ years onlineExtreme Spray Foam of Knoxville
5.0~8 years onlineFoam Works of East Tennessee
5.02½+ years onlineKoala Insulation of Greater Knoxville
5.07½+ years onlineShook & Fletcher Insulation Co
5.025½+ years onlineVolunteer Insulation LLC
5.0Accu-Coat Knoxville
4.96+ years onlineAFS Foundation & Waterproofing Specialists
4.916½+ years onlineCaliber Insulation Services
4.98 mo onlineCrawl Space Ninja
4.9~13 years onlineEast TN Spray Foam Insulation Knoxville
4.97+ years onlineHome Comfort Solutions
4.95½+ years onlineAccu-Coat Spray Foam Insulation
4.86+ years onlineRetroFoam of East Tennessee
4.817 years onlineUSA Insulation of Knoxville
4.821+ years onlineA-1 Certified Service, Inc.
4.7~14 years onlineProfoam
4.7~14 years onlineiFOAM Insulation
4.614½+ years onlineValor Insulation LLC
4.4Appalachian Insulation Supply of Tennessee, LLC
4.2IDI: Insulation Distributors Inc.
4.1~15 years onlineCFI Insulation
4.0~21 years onlineBreeding Insulation
3.5Dale Insulation of Knoxville
3.414½+ years onlineIndustrial Products Co.
1.0~28 years onlineInsulation Services in Nearby TN Cities
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Insulation Services in Knoxville, TN
Knoxville TN insulation upgrades pay back fast given KUB rates and TN's heat-humidity climate. Most pre-1990 Knoxville homes have R-19 to R-30 attics — well below the modern R-49+ target. Air sealing before insulation matters in older Sequoyah Hills and Old North Knoxville homes. KUB rebates available. NeedInstall connects you with Knoxville insulation contractors who handle KUB paperwork, blower-door testing, and proper detailing.
Knoxville 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. TN requires no state contractor license but local registration. KUB rebates ($300-$1,500). Blower-door test ($300-$500) often required.
Frequently Asked Questions
- Worth on natural gas?
- Yes — TN AC and heating loads significant. Payback 4-7 years.
- KUB rebate?
- $300-$1,500 for qualifying upgrades.
- Spray-foam vs cellulose?
- Cellulose for attics. Spray-foam for basements and rim joists.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Knoxville 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.