Thermal Insulation Co.
Verified Pro
6½+ years online5.0(1)
Insulation Services in Winston-Salem, NC
Compare 26 insulation services contractors near you in Winston-Salem 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
Most pros respond within 2–24 hours
Verified Pro Installers
Other Businesses in This Area
Insulation Solutions
~18 years onlineCarolina Home Performance Inc
5.016½+ years onlineC & H Insulation Services
5.0CNC Spray Foam Insulation
5.0Extreme Spray Foam of Winston - Salem
5.0Extreme Spray Foam of Winston Salem
5.0Groundhog Insulation Pros
5.08 mo onlineInsulation Pros
5.09 mo onlineNorth Alabama Spray Foam Insulation
5.05½+ years onlinePrecision Air Care
5.010 mo onlineWinston-Salem Spray Foam Insulation
5.05+ years onlineCarolina Basement Systems
4.917½+ years onlineUSA Insulation of The Triad
4.921+ years onlineKoala Insulation of Twin City
4.87½+ years onlineNorth Carolina Spray Foam Insulation
4.86+ years onlineUniquely Green
4.8Green Planet Foam & Fiber
4.65 years onlineL&W Supply - Winston Salem, NC
4.427+ years onlineChemtech Roof & Insulation Systems Inc
4.025+ years onlineIBBI Insulation
4.0Pals Attic Insulation & Dryer Vent Cleaning Service Winston-Salem, NC
4.0Energy Tamers of the Triad, LLC
1.0Foam Comfort Systems LLC
1.0Insulation Services in Nearby NC Cities
Other Services in Winston-Salem
Access Control & Intercom(28)Alarm System Installation(25)Appliance Installation(22)Artificial Turf Installation(20)Automotive Installs(2)Concrete & Paving(31)Deck & Patio Building(33)Electrical Services(26)EV Charger Installation(16)Fencing & Gate Installation(26)Fire Protection & Sprinklers(34)Garage Door Installation(21)
Insulation Services in Winston-Salem, NC
Winston-Salem NC insulation upgrades pay back fast given Duke Energy rates and NC's heat-humidity. Most pre-1990 Winston-Salem homes have R-19 to R-30 attics — well below the modern R-49+ target. Air sealing before insulation matters in older Buena Vista homes. Duke Energy rebates available. NeedInstall connects you with Winston-Salem insulation contractors who handle Duke paperwork, blower-door testing, and proper detailing.
Winston-Salem 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. NC requires a state contractor license. Duke Energy rebates ($300-$1,500). Blower-door test ($300-$500) often required.
Frequently Asked Questions
- Worth on natural gas?
- Yes — NC AC and heating loads. Payback 4-7 years.
- Duke Energy 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 Winston-Salem 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.