Window Replacement Cost in South Carolina:
Types, Ratings & Local Quotes
Average window replacement in South Carolina: $230–$520/window. Recommended type: Double-pane Low-E with low SHGC (≤0.25). Compare ratings, warranty, installation scope, and rebate assumptions.
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$230–$520/window
Avg. Cost Per Window
$110–$230/yr
Annual Energy Savings
≤0.30
Target U-Factor
12–20 years
Typical Payback
Best Windows for South Carolina
Recommended: Double-pane Low-E with low SHGC (≤0.25)
South Carolina's hot, humid summers mean low SHGC is the priority. Coastal homes in hurricane-prone areas should consider impact-resistant options. Duke Energy Carolinas and Dominion Energy SC offer rebates for qualifying improvements.
| Window Type | Cost Per Window | U-Factor | Best For |
|---|---|---|---|
| Double-Pane Standard | $150–$350 | 0.30–0.40 | Budget replacement |
| Double-Pane Low-E | $200–$500 | 0.25–0.32 | Best value overall |
| Double-Pane Low-E + Argon | $280–$600 | 0.20–0.28 | Mixed climates |
| Triple-Pane Low-E | $400–$800 | 0.15–0.22 | Cold climates |
| Impact-Resistant | $500–$1,200 | Varies | Hurricane/storm zones |
South Carolina Window Rebates & Tax Credits
Current window rebate eligibility should be verified
Duke Energy Carolinas home energy programs
Dominion Energy SC rebates
Federal credit rules changed after 2025; verify current IRS rules
Programs change often. Ask each window contractor to confirm current rebate and tax credit rules before you purchase.
Window Replacement Quotes by City in South Carolina
Compare Window Quotes in South Carolina
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