Basic
$32 – $95 each
Failed caulk scraped, interior trim joints recaulked with acrylic latex, adhesive foam tape on the sash
How Much Does Insulate Windows Cost in Charleston, South Carolina?
Pro air-sealing of one existing window: remove failed caulk, recaulk frame and add foam/film or weatherstrip, done as part of a multi-window visit.
Insulate Windows in Charleston, South Carolina typically costs $37 to $111 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Insulate Windows in Charleston, South Carolina
$37 – $111
eachPrices in Charleston are 8.0% lower than the national average for insulate windows.
National average: $40 – $120 each
What you get at each price level
Standard
$37 – $111 each
Failed caulk removed, exterior frame and interior trim recaulked, V-strip weatherstrip on the sash
Premium
$46 – $139 each
Failed caulk removed, exterior sealed with elastomeric sealant over backer rod, interior sealed, V-strip and shrink film
Cost Breakdown in Charleston
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $17 – $52 | each |
| Labor | labor | $12 – $37 | each |
| Supplies & Other | supplies | $4.62 – $13 | each |
| Equipment & Disposal | equipment | $3.07 – $9.22 | each |
Prices adjusted for Charleston local market conditions.
Cost Factors in Charleston, South Carolina
What Affects Pricing
- Materials ($17.99-$54.40 per unit)
- Labor ($14.00-$42.00 per unit)
- Supplies & Other ($4.81-$14.00 per unit)
- Equipment & Disposal ($3.20-$9.60 per unit)
Local Price Adjustments
Material costs4.0% below avg
Labor costs13.0% below avg
Material costs in Charleston run proportionally higher than labor, which may favor labor-intensive approaches.
Frequently Asked Questions
How we price this
BuildX Pro researches and reviews the national price range for Insulate Windows, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Nov 2026.
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
Get Free Estimates in Charleston
Connect with local insulate windows contractors in Charleston for personalized quotes based on your specific project.