Window Replacement Cost in South Carolina
2026 estimates — per window installed, including labor and disposal
Standard double-hung vinyl, double-pane Low-E, includes labor & disposal. Updated June 2026.
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Window Cost by Frame Type — South Carolina 2026
| Frame Material | Avg (SC) | Range |
|---|---|---|
| Vinyl (most popular) | $607/win | $455 – $819 |
| Fiberglass | $883/win | $662 – $1,192 |
| Wood | $1,113/win | $835 – $1,503 |
| Composite | $837/win | $628 – $1,130 |
Per window with double-pane Low-E glass. Includes labor and disposal. South Carolina rates applied.
Window Glass Spec Guide — South Carolina
U-factor = insulation (lower is better). SHGC = solar heat gain (lower blocks more sun). Best for South Carolina: Double pane Low-E (U-factor ≤ 0.27, SHGC matched to your climate)
| Glass Type | U-Factor | SHGC | Cost (SC) |
|---|---|---|---|
| Single pane (existing) | 1.20 | 0.86 | baseline |
| Double pane clear | 0.45 | 0.70 | $368/win |
| Double pane Low-ERecommended | 0.27 | 0.30 | $534/win |
| Triple pane Low-E | 0.18 | 0.22 | $782/win |
Glass upgrade pricing is per vinyl frame window, installed. U-factor and SHGC targets from IECC 2021 / Energy Star requirements.
Window Replacement in South Carolina — What to Know
1. Climate Considerations for South Carolina
South Carolina homeowners replacing windows should focus on energy efficiency appropriate for the local climate. Labor costs are below the national average.
2. Top Tip for South Carolina Homeowners
Get at least 3 quotes in South Carolina — window installation prices vary 20–40% between contractors. Ensure quotes include removal, insulation, flashing, and trim restoration. Energy Star windows may qualify for the $600 federal tax credit.
3. Federal Tax Credit
Energy Star certified windows qualify for a federal tax credit of up to $600/year (IRA, through 2032). Windows must meet U-factor and SHGC requirements for South Carolina's climate zone. Credit applies to materials only — not installation. Check energystar.gov for qualifying products in your climate zone.
FAQs — Window Replacement in South Carolina
Window replacement in South Carolina costs $690 per window on average in 2026, ranging from $518 to $932. Costs are below the national average of $750/window.
South Carolina homeowners replacing windows should focus on energy efficiency appropriate for the local climate. Labor costs are below the national average.
Energy Star certified windows qualify for a federal tax credit of up to $600 per year (IRA, through 2032). Windows must meet U-factor and SHGC requirements for South Carolina's climate zone. The credit applies to materials only, not installation costs. See energystar.gov for qualifying products.
A typical single-family home in South Carolina has 12–20 windows. At $690 per window average, a full-house replacement runs $9,660–$13,800. Many homeowners replace in phases — prioritize south/west-facing windows (highest solar gain) and any showing visible failures (fogged glass, broken seals, drafts). Full-house quotes often save 15–25% per window vs. replacing one at a time.
In South Carolina, the best seasons are spring (March–May) and fall (September–November). Avoid peak summer heat, which reduces caulking and foam insulation effectiveness. Off-season scheduling typically saves 10–15% on labor due to better contractor availability. Order windows 3–4 weeks ahead as lead times vary by manufacturer.
Get 3 Free Window Quotes in South Carolina
Most homeowners save $500–$2,000 by comparing 3 window contractor quotes. Free, no obligation.
South Carolina Quick Stats
- →Avg/window: $690 (below national)
- →Range: $518 – $932
- →12-window home: ~$7,452 (bulk discount)
- →Tax credit: up to $600 (Energy Star, IRA)